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SACO 16D1

Annunciator unit

Users manual and Technical description

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SACO 16D1

Annunciator unit

Table of contents Features ................................................................................................................................................ 3General ................................................................................................................................................. 3Area of applications ..................................................................... ......................................................... 3Description of functions .................................................................... ................................................... 4

Introduction ................................................................................. .................................................. 4Mechanical construction ............................................................................ .................................... 5Field contact circuits ...................................................................... ................................................ 6Alarm channel functions ........................................................................ ........................................ 6Visual alarm indication................................................................................ ................................... 8Standardized operational sequences ....................................... ......................................... ................ 8First-out indication ....................................................................... ............................................... 10Event register ....................................................................... ......................................................... 10Event register for the serial communication ...................................... ......................................... .. 11Auxiliary outputs .................................................................... ...................................................... 12Group alarm reflash signals .......................................................................... ................................ 12Audible device output ......................................................................... ......................................... 13Self-supervision output ....................................................................... .......................................... 14Interlockings ........................................................................... ...................................................... 15Serial communication interface ............................................................................. ....................... 17Synchronizing of the blinking sequence ....................................... ......................................... ....... 17Programming ......................................................................... ...................................................... 18Auxiliary power supply system ........................................................................ ............................. 18

Application .......................................................................... ............................................................... 19Mounting ..................................................................................................................................... 19Terminals and wiring .......................................................................... ......................................... 20Start-up ........................................................................................................................................ 21Operational test ....................................................................... ..................................................... 21Legend plate .............................................................................. ................................................... 21Selection of output contact mode .................................... .......................................... ................... 22Operation instructions ..................................................................... ............................................ 23First-out alarm indication....................................................................... ...................................... 24Event sequence register ................................................................................. ................................ 25

Programming ............................................................................. ........................................................ 26Programming technique ..................................................................... .......................................... 26Programming push-buttons ..................................................................... ..................................... 28Channel related parameters .......................................................................... ................................ 28

Selection of channel input delay ................................... ......................................... ................. 28Selection of channel resetting delay .................................... ......................................... ........... 28Selection of field contact type or pulse counter ................................... ................................... 29Selection of channel-specified indications ..................................... ......................................... 29Configuration of pumping supervision ........................................ ......................................... .. 29Configuration of reflash group alarms ......................................... ......................................... .. 29

Module related parameters ........................................................................ ................................... 30Selection of mode of operation for the reflash output relays... ........................... ..................... 30Selection of interlocking configuration .......................... ............................ ........................... .. 30Selection of annunciator SPA bus slave address ......................... ........................... ................. 31Selection of alarm sequence type ............................................................................................ 31Selection for the serial communication port ......................... ........................... ....................... 32

Parameter selection key .......................................................................... ...................................... 33Parameter chart ........................................................................... ................................................. 34Channel interlocking scheme ...................................................................... ................................. 35Remote information to and from the alarm annunciator ....................................... ...................... 36Event codes ......................................................................... ......................................................... 40

Technical data ................................................................................ .................................................... 40Testing ............................................................................................................................................... 42Maintenance and repair ......................................................................... ............................................. 42

Exchange and spare parts ........................................................................ ............................................ 43

1MRS 750944-MUM EN

Issued 98-05-05

Version A (replaces 34 SACO 16 EN1)

Checked SS

Approved EP

Data subject to change without notice

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Features SACO 16 D1 is a self-contained microprocessorbased multi channel alarm annunciator unit

16 contact operated on/off alarm or pulse count-ing channels per unit

Four output relays of which two user configurable

Relay output for audible alarm and self supervi-sion

LEDs for visual alarm indication

Fully programmable by means of push-buttonson the front panel or via the serial communica-tion interface

Numerical display for first out alarm indication,event sequence reporting and programming

Event register for the 50 latest events

Serial communication interface for easy con-nection of the annunciator unit to a monitoringand/or control system.

Improved system reliability backed up by asophisticated self-supervision function compris-ing both hardware and software watchdog func-tions

High immunity against electrical interferenceand an enclosure to IP 54 when panel mounted

General The alarm annunciator unit type SACO 16D1is a part of the integrated substation secondaryequipment system SPACOM.

The on/off annunciator unit is a fully self-contained compact microprocessor based de-vice suitable for use as stand-alone annunciator,but also as data acquisition, recording or controlunit, either stand-alone or integrated into asystem.

The annunciator unit is provided with 16 chan-nels for operation from NO or NC field con-tacts. The unit is furthermore provided withfour auxiliary output relays, one for control ofan audible device (horn, buzzer etc.), one is

controlled by the internal self-supervision sys-tem and two for general retransmission of indi-vidual or group alarm signals. The unit is alsoprovided with two control inputs for externalacknowledge and reset functions. The alarmannunciator unit is fully self-contained includ-ing an integral power supply unit generating theinternal supply voltages as well as the external

field contact voltage, which also is used in theexternal acknowledge/reset circuits. Thus noseparate power units are needed for the fieldcontact circuits.

The microprocessor module is a standardized100 mm x 160 mm Euro-card printed circuitboard (PCB) which also functions as the basicelement in large alarm annunciator systemsmechanically designed according to the 19 inchrack and cabinet system (SACO 64D4).

The modern microprocessor technology used inthe SACO system offers new features which notonly extend the conventional area of applicationfor alarm annunciator systems but also increase

the reliability of the annunciator systems. Themost significant feature of the new annunciatorsystem is the outstanding system flexibility. Theannunciator is truly field programmable by meansof push-buttons on the front panel, or from a PCvia the serial communication, for easy selection ofa proper operational scheme and suitable param-eter values in the intended application.

Area of

application

The annunciator unit SACO 16D1 has beendeveloped and manufactured to meet the mostdemanding specifications regarding reliability

in operation and immunity against interferencewhich can be expected from a modern annun-ciator system for use in:- electric power plants and substations- industrial plants and processes- marine vessels and off-shore installations- technical installations in buildings- water treatment plants, etc.

Furthermore the annunciator system can beused in any conventional application wherethere is a demand for a continuous supervision

or monitoring of a number of contacts to pro-vide an immediate fault recognition, fault iden-tification and a visual/audible alarm in order tocall attention to an abnormal process conditionor as a pulse counter for change of state of aprocess parameter under normal process condi-tions.

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Description of

functions

Introduction

The annunciator unit SACO 16D1 is a flexibleand versatile annunciator package comprising16 input alarm channels. Its main purpose is tosupervise a given process and to call attention toabnormal process conditions by the use of indi-vidual visual LED indicators and a commonaudible device. The annunciator system can alsobe connected to an event recorder system, bymeans of which printed records with channelidentification, date and time, are obtained when-ever a change in the state of an alarm channeloccurs.

The basic functions of the annunciator unit areillustrated in the block diagram below.

The alarm channel inputs are connected to thefield contacts. The field contacts, i.e. the outputcontacts of the devices sensing the process con-dition can be of the normally open (NO) or thenormally closed (NC) type.

The central unit continually compares incom-ing channel information with previously storedinformation. When a change of state has beendetected, the alarm channel is activated and ifthe situation persists for a longer time than thespecified channel input delay time, the eventwill be registered. The visual indicators and theauxiliary output relays respond to the situationaccording to the functional program they havebeen given.

The annunciator unit can be acknowledged andreset with a push-button on the front panel or bymeans of external remote push-buttons.

The annunciator unit comprises an internalevent register. The unit is provided with a serialcommunication interface and thus it can beconnected to a local data collector, e g a SRIO500M/1000M, by means of a serial communi-cation link. The information stored in the eventregister of the annunciator unit can be read out

via the serial communication link.

Fig. 1. Block schematic diagram for the annunciator unit SACO 16D1.

Internal supply

SWIM 2A1

Alarm channels 1...16

1 2 16

Supply1 2

Serial communication

SPA-bussconnection

Self-supervisionand audiblealarm output

Group reflashoutputs

1 2

Remotereset/ackn.

48V

~

~

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FAULTON

Mechanicalconstruction

The annunciator unit is composed of standard-ized 100 mm x 160 mm "Euro-card" plug-inmodules. An annunciator unit type SACO 16D1consists of the following modules:- a power supply module type SPGU 240A1 or

SPGU 48B2- an Input/Output module type SWIM 2A1- an alarm annunciator module type SWPM

3A1

The enclosure of the annunciator module con-sists of an extruded aluminum profile to whichthe connection module SWCM 3A1 has beenfixed to form the mounting case. The connec-tion module comprises the plug-in PCB con-nectors and the screw terminals to facilitate allexternal connections. The connection modulealso comprises a 48 V dc power unit for voltagesupply to the field contact circuits.

The annunciator unit is intended for flushmounting. The depth behind the panel can be

reduced by 40, 80 or 120 mm by using a raisingframe.

The cast aluminum alloy mounting frame isstove-finished with a beige semi gloss carbamideresin paint and provided with a rubber gasketwhich provides a degree of protection by enclo-sure to IP 54 between the mounting case and thepanel .

The mounting case is also provided with aglass-clear UV-stabilized polycarbonate lid witha sealable locking screw. The lid also has an IP 54classification when closed with the finger screw.

The screw terminal blocks to facilitate all input andoutput wire connections are located on the back ofthe mounting case. One or two max. 2.5 mm2

conductors can be connected to each terminal.No terminal lugs are needed. A connectiondiagram is shown on one of the sides of the case.

Power supply module SPGU 240A1 or SPGU 48B2

Input/output module SWIM 2A1

Connection moduleSWCM 3A1

Alarm annunciatormodule SWPM 3A1

Mounting case

Front panel

Lid

Fig. 2. Plug-in modules of the annunciator unit SACO 16D1.

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Field contact circuits The electrical contacts of the devices sensing theprocess condition must be potential-free whilethe annunciator unit itself generates the 48 V dcfield contact voltage. This specification alsoapplies to the remote control inputs.

The power unit supplying voltage to the fieldcontacts also provides a full galvanic isolationbetween the field contact circuits and the elec-tronic circuits of the annunciator unit it self aswell as the system earth. The channel inputs areprovided with transient suppression circuits andinput voltage limiters.

The alarm channels can be individually pro-grammed for operation from normally closed(NC) or from normally open (NO) contacts.The annunciator is provided with an integratedfield contact voltage supervision function. Whena fault is detected the LED indicator marked"FAULT" on the front panel is switched on andinternal supervision output relay operates. Thefault message can also be transmitted over theserial communication link to the higher systemlevels.

Fig. 3. Principle of alarm channel input.

Alarm channelfunctions

An alarm channel is composed of a number offunctional blocks illustrated below. The lists of

variables underneath some of the blocks indi-cate that a certain parameter can be selected

from a set of given values, i.e. the parameter canbe programmed. The selected parameter is shown

in the numerical display when called up duringthe programming.

TRANSIENTSUPPRESSION

To alarmchannel

48 VDC

From the internalsupply module

0 V

48 V

Fieldcontact

Galvanic isolation

SEQUENCELOGICS

Reflash B

& Reflash A

Interlockingoutput (0)

Ack.

Reset

1

Alarm indicator

Audible alarm

Reflash Ainterlockinginput (1)

Channelinterlockinginput (2)

FIELDCONTACTSELECTION

INPUT DELAY RESET DELAY

48 V

Fieldcontact

Galvanic isolationand transientsuppression

0 = NO field contact1 = NC field contact2 = NO field contact, no return function3 = NC field contact, no return function4 = NO and NC field contact5 = pulse counter,

counts on closing function6 = pulse counter, counts on opening function7 = pulse counter, counts on both closing and opening function

0 = 5 ms1 = 20 ms2 = 100 ms3 = 1 s4 = 5 s5 = 20 s6 = 60 s7 = 160 s

0 = 5 ms1 = 20 ms2 = 100 ms3 = 1 s4 = 5 s5 = 20 s6 = 60 s7 = 160 s

-0 = sequence 0-41 = sequence 0-4, audible alarm also at disappering alarm2 = field contact following

Silence

Fig. 4. Block schemating diagram for an alarm channel.

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After the galvanic separation and the transientsuppression the incoming field contact signal isanalyzed and identified in respect of signal type.Seven input signal types are specified:0 = signal from normally open contact, with

return function1 = signal from normally closed contact, with

return function2 = signal from raising edge only3 = signal from falling edge only4 = signal from raising and the falling edge5 = pulse counter, counts by contact closing6 = pulse counter, counts by contact opening7 = pulse counter, counts by contact opening

and closing

The input signal types 2, 3 and 4 are usuallyselected when event recording is used. For ex-ample the signal indicating that a circuit breakerhas tripped is noticed and registered with itsraising edge only.

The pulse counter is used only when the data istransferred to a higher level system. The pulsecounter channels sequence logic is to be set tosignal following without blinking and audiblealarm functionality (S4 = 2). The reflash relaysconnected to the pulse counter channels are tobe configured as ISR, Impulse Shaping Reflash(S1 or S2 = 2).

The channels configured as pulse counters countspulses up to 3 Hz. The capacity of the counteris 0...29999. The counter is freely presettable

within this range. When the pulse counter reaches29999 it starts over again from 0.

The counter can be read and set only via the SPAbus with the channel specific parameter V5.When the parameter V5 is read the present valueof the pulse counter is received, when writtenthe preset (start) value for the pulse counter isgiven.

The counters memory circuit has no batterybackup, hence the stored values are lost if theauxiliary power drops off and the counter starts

over again from 0 or its preset value when theauxiliary power returns.

When a change of status has been detected for anincoming field contact signal and the new statusexceeds the channel input delay in duration, theoperation sequence memory is activated.

The channel input delay can be selected from a setof eight alternative values from the front panel:0 = 5 ms1 = 20 ms

2 = 100 ms

3 = 1 s4 = 5 s5 = 20 s6 = 60 s7 = 160 s8 = another value, which is programmed via the

serial interface

Via the serial interface the channel input delaycan be freely programmed. Refer to the param-eter list in the end of this manual (S1).

If the change-of-status of a field contact signalmeans that the signal returns to normal, thechannel reset delay time must be exceeded be-fore the change is registered. The delay timealternatives are the same as those for the inputdelay but the channel reset delay times areselected separately (S2).

When the operation sequence logic circuits areactivated, the visual alarm displays start func-

tioning according to the programmed opera-tional sequence (flash sequence). The most suit-able of five standard operational sequences ischosen by programming. All changes of status ofthe incoming signals are stored in the eventregister irrespective of the selected operationalsequence for the visual alarm displays.

The sequence memory is acknowledged/reset inthe following order:SlLENCE = resets the audible alarmACKNOWLEDGE = indicates recognition of

an alarmRESET = returns the channel tothe normal state

The alarm channels each generate two reflashsignals A and B which can be linked to theauxiliary reflash output relays, for details pleaserefer to section Configuration of reflash groupalarms on page 29.

Each alarm channel is also provided with twointerlocking signal inputs and one interlockingsignal output. The interlocking signal inputs/outputs are:0 = interlocking signal output. Can be con-

nected to the other channels1 = interlocking signal input. Blocks the reflash

signal A2 = interlocking signal input. Blocks the whole

alarm channel, returns as acknowledgedalarm

3 = interlocking signal input. Blocks the wholealarm channel, returns as a new alarm

The interlocking signal output is also always

activated by an interlocking signal input beingactivated in the same channel.

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Visual alarmindication

The state of the alarm channel is indicated bysuper-bright LEDs. A legend plate of transpar-ent film is inserted in a slot at the edge of the alsotransparent plastic overlay. For more informa-tion, see section "Legend plate", page 21.

The first-out indication is accomplished withthe four digit display on the front panel. Theinformation stored in the event register can alsobe displayed on the digital display.

Acknowledge and reset is done with a push-button located on the plastic cover on the frontof the unit or with two external push-button.The reset indicator LEDs on the front panelmarked SILENCE, ACK, RESET/TEST showswhich of the actions is to be performed. Thereset sequence depends on the operational se-quences.

Fig. 5. Alarm indicators and push-buttons of the annunciator unit SACO 16D1.

Standardized

operationalsequences

The annunciator unit is supplied with five stand-

ardized field-selectable operational sequence al-ternatives of which the most adequate one for acertain application is selected. The operationalsequences are:0 = ISA A, automatic reset1 = ISA A-1, automatic reset, separate reset of

audible alarm2 = ISA M-1, manual reset, separate reset of

audible alarm3 = ISA R-1, manual reset, separate reset of

audible alarm, visual ringback on return4 = DIN 19235, manual reset after return to

normal if acknowledged while alert, visualringback on return if acknowledged beforereturn to normal

The above operational sequences are commonto all the 16 channels. However the sequencescan be altered on a per-channel basis accordingto the following:0 = indications according to the selected sequence1 = indications according to the selected se-

quence but including audible alarm also onreturn. Valid only for sequences ISA R-1and DIN 19235

2 = field contact following indication withoutaudible alarm

The acknowledge/reset operations required are

determined by the annunciator unit itself andthe acknowledge/reset operation being askedfor is pointed out with the indicator LED. Theannunciator unit is provided with two externalcontrol inputs, one for remote resetting of theaudible device and an other for remote acknowl-edge/reset of the alarm channels.

NOTE!The acknowledge/reset push-button on the frontpanel also operates as a visual display test but-ton. The test is accomplished by pressing the

acknowledge/ reset test button continually forapproximately 1 second which causes all LEDindicators to light up and the digital display toshow 8888. The visual displays can not be testedif an alarm channel is unacknowledged or notreset. Pressing the test button for approximately15 s activates the self-supervision auxiliary out-put relay and the FAULT LED.

FAULT

ON

SACO 16D1 Four-digit seven-segment display

Reset indicator LEDsSILENCEACKNOWLEDGERESET/TEST

Acknowledge/Reset push-button

Channel window with indicatorLED and legend text

Event register step-by-step read-out push-button

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Automatic resetISA A

ON

OFF

ONOFF

ONOFF

ON

OFF

ONOFF

ON

OFF

ONOFF

ONOFF

ON

OFF

ONOFF

ON

OFF

ONOFF

ONOFF

ON

OFF

ONOFF

ON

OFF

ONOFF

ONOFF

ON

OFF

ONOFF

ONOFF

Field contact

Acknowledge

Reset of audible output (Silence)

Audible output

Field contact

Visual alarm indicator

Acknowledge

Audible output

Field contact


Acknowledge


Audible output

Reset

Field contact


Acknowledge


Audible output

Reset

Field contact


Acknowledge


Audible output

Reset

Automatic reset, separate reset of audible outputISA A-1

Manual reset, separate reset of audible outputISA M-1

Manual reset, visual ringback and separate reset of audible outputISA R-1

Manual reset, visual ringback if acknowledge is done before the alarminput returnsto normal state, separate reset of audible outputDIN 19235

ONOFF

ON

OFFONOFF

ONOFF

ON

OFF

ONOFF


Fig. 6. Selectable alarm sequences.

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First-out indication The annunciator unit is provided with a first-outindication feature. The alarm channel whichoperates first is indicated in the digital displaywith a letter A and the channel number. Thefirst-out indication always relates to the first

incoming alarm after an annunciator acknowl-edge/reset being performed. The first-out indi-cation can be reset with the acknowledge/resetpush-button.

Fig. 7. Principle of the first-out alarm indication.

Event register For evaluating of disturbances, the alarm an-nunciator unit has been provided with an eventregister, which enables the incoming and disap-pearing alarms to be read out. The register holds9 events which can be read out on the digitaldisplay step by step using the push-button .

The latest (youngest) information, i.e. addressNo 9, is read out first and then the events arerepresented in the display one by one untiladdress No 1, which represents the oldest infor-mation, is reached.

Fig. 8. Operating principle of the event register.

Channel 1

Channel 2

Channel 3

Channel 16

First-outalarmmemory

Reset

Digital display

Not used

Type of eventA = incoming alarm

Channel number1...16

Chronological orderDecimal point indicates first-out alarm after previousacknowledgeType of eventA = incoming alarm

- = disappering alarm- - - - = acknowledge


Channel 1

Channel 2

Channel 3

Channel 16

Eventregister

Acknowledge

Digital display

Youngest event

The information of the eventregister is read out with thepush button

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Event registerfor the serialcommunication

The annunciator unit incorporates a separateevent register which contains information on thetype of event and the channel number includinga synchronous time stamp. This enables a higherlevel system to read out events from the annun-ciator over the SPA bus serial communication.The event register holds 50 events. The timestamps are relative and the time span is max. 60 s.The clocks of the interconnected units are syn-chronized, generally once per second, by the

higher level system (the SPA bus master). Thetime resolution between the channels is 5 ms.

The annunciator unit also includes a channelmatrix register which operates in parallel withthe event register and in which each channelcorresponds to one bit. If a channel is activatedduring an overflow situation of the even register,the corresponding bit in the matrix register isactivated.

Fig. 9. Event registration in SPACOM systems.

Overflow

Overflow

Time Slave Channel Code

2

1

500

Adding of

users text

Event register

Clock

SPA-bus

Synchronization

SRIO

Printer

Host systemTime Slave Channel Code

Channel CodeTime

Events

Clock

0 - 60 s

SACO alarm module

Event

register

Overflow

1 2 3 4

5 6 7 8

9 10 11

14 16

Event overflow

matrix register

SPA-bus

Clock

0 - 60 s

Time1

2

3

.

.

.

.

n

Channel Code

Events

SPA-bus

SPACOM protective relay module

Event

register

12

13 15

Time marking: year, month,

day, hour and minute

1

2

3

.

.

.

.

.

.

.

48

49

50

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Auxiliary outputs The annunciator includes four auxiliary outputrelays. Two output relays act as group alarmreflash output elements, one auxiliary output

relay is dedicated for control of an audible deviceand one relay acts as an auxiliary output elementfor the internal self-supervision function.

Channel 1

Channel 2

Grouping

A

B

A

B

Channel 15

Channel 16

A

B

A

B

Selection of reflash type

0 = FCRF

1 = AACR

2 = PSR

3 = FCFR + ISR

Group reflash 1

Group reflash 2

Selection of reflash type

0 = FCFR

1 = AACR

2 = ISR

3 = FCFR + ISR

Fig. 10. Principle diagram of reflashes.

Group alarmreflash signals

Each alarm channel generates two reflash out-put signals, A and B, which can be freely linkedto the two reflash output relays to form twogroup alarm reflash functions. The two groupalarm reflash output relays can be given one ofthe following modes of operation selectable byprogramming, separately for both of the outputrelays:

0 = FCFR, Field Contact Following Reflash1 = AACR, Acknowledge Action Controlled

Reflash2 = ISR, Impulse Shaping Reflash3 = FCFR + ISR, Field Contact Following Reflash

with a 300 ms interruption of the reflashsignal any time a new alarm signal joins in analready active group alarm bunch

4 = FCFR + AACR, Field Contact FollowingReflash and Action Controlled Reflash (sefigure below)

Fig. 11. Principle diagram for the different reflash signal types. The alarm signals 1 and 2 are groupedto the same group alarm reflash signal.

NOTE! The reflash signals are always accompa-

nied by a certain basic delay. The basic delaytime depends on the number of incoming alarmsignals per time unit and on the number of

internal interlocking levels in use. The basic

time delay of the reflash signal is 70 ms if onlyone alarm signal is received within a time periodof 200 ms and if no interlockings are used.

Channel input delays Channel reset delay

Alarm 1

Alarm 2

Acknowledge

Signal followingAlarm memory following

Pulse type

Signal following with break

FCFR + AACR

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Audible deviceoutput

Generally the relay output for control of anaudible device operates if one of the 16 alarmchannels is activated. Every channel can also beseparately programmed to deliver an audibleringback when the alarm channel returns tonormal state. If an alarm channel has beenprogrammed for a sequence providing a fieldcontact following visual indication only, noaudible alarm will be generated, please refer to"Standardized operational sequences" on page 8.

The audible device can be silenced by means ofthe acknowledge/reset push-button or by meansof an external control signal applied to theremote silence control input (17) of the annun-ciator unit.

An incoming alarm signal, for which only theaudible alarm has been silenced but the alarmsignal has not been acknowledged nor reset, willnot produce a new audible alarm if the fieldcontact starts "pumping".

Channell 1

Channel 2

Channel 3

Channel 16

Audiblealarmmemory

Reset of audibleoutput(Silence)

Audible devicerelay output

Fig. 12. Principle diagram for the audible alarm.

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Self-supervisionoutput

The annunciator unit is provided with extensiveself-supervision functionality which, in case ofan internal fault or if an internal malfunction isdetected, causes an operation of the self-super-vision auxiliary output relay. The self-supervisionsystem monitors continuously the internalvoltages, the program execution and micro-processor logic. An internal malfunction of theunit produces an automatic restart attempt andif the reason for the malfunction has disap-peared, the normal operation of the annuncia-tor unit continues.

If the fault on the program, the microprocessoror the supply voltages is of a permanent nature,the LED indicator marked FAULT is switchedon and the self-supervision auxiliary outputrelay drops off (normally energized). At thesame time all the other auxiliary outputs arelocked including the serial communication port.If the voltage of the logic circuits totally dis-appears, the LED indicators marked ON and

FAULT are turned off, but in other respects thefunctions are as described above.

If a fault occurs in the 48 V DC field contactvoltage, generated by the annunciator unit, theFAULT LED is switched on and the self-super-vision auxiliary output relay drops off (normallyenergized). The fault information can be sent

over the serial communication. If the controlvoltage of the auxiliary output relays disappears,the self-supervision auxiliary output relay dropsoff.

The following fault messages can be shown inthe display:

- - - 1 = parameter memory circuit not available- - - 2 = faulty parameter memory (checksum

error)- - - 3 = event register blocked due to field con-

tact "pumping" (se below)- - - 4 = undervoltage in field contact circuit

supply

The serial communication is also supervised.The decimal point in the corner to the right inthe display starts blinking if there hasnt beenany serial communication within the last thirtyseconds. The blinking decimal point indicates afault on the communication bus or in the higher

level system.

If no serial bus is connected to the annunciator,the bus supervision can be taken out of use. Thisis done by giving the parameter V201, "settingof data transmission rate", the value 1(synchout), se the section "Selections of the serialinterface", page 32.

Fig. 13. Principle diagram for the self-supervision system.

Self-supervisionoutput relay

1

Reflash and communicationinterlocking

Internal self-supervision

Fault

24 v undervoltage

5 V over- and undervoltage

48 V undervoltage

Hardware and softwarewatchdog

To prevent a "pumping" field contact fromblocking the communication to a higher levelsystem, the unit is provided with a setting toindicate how many incoming alarms are allowed

from one channel within one minute. In case thesetting limit is exceeded the channel is blockeduntil the alarms per minute again goes belowthe set value. A channel with a "pumping" fieldcontact is indicated as follows:

Channel number

"Pumping"

The indication is reset with the RESET push-button.

The "pumping" supervision is programmed by

parameter S11 (channel related settings):

00 = "Pumping" supervision not in use01...99 = Maximum alarms per minute

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Interlockings It has been mentioned in the section describingthe functions of an alarm channel that eachchannel is provided with three interlocking in-put types, 1, 2 and 3, and one interlockingoutput type, 0.

The interlocking input type 1 prohibits, whenenergized, only the channel reflash signal type Afrom being transmitted, while the interlockinginput type 2 blocks the whole alarm channel andif the blocking drops of while the channel is stillactive, the channel will be indicated as an ac-knowledged alarm. The interlocking input type3 also blocks the whole channel but returns as anew alarm when the interlocking drops of. Theinterlocking output type 0 is activated by analarm channel being activated or by one of theinterlocking inputs being activated. The featurementioned last enables the annunciator unit tobe programmed with up to eight interlockinglevels.

Note!If more than three interlocking levels are used itwill effect the resolution on the time stamp forthe event register.

The interlockings are distributed between thedifferent channels via eight internal interlock-ing lines, see figure on page 16.

Each channel can be connected to two inter-locking lines. This means that alternatively boththe interlocking inputs of an alarm channel areconnected to two different interlocking lines, orthe interlocking output and one of the interlock-ing inputs are connected to two different inter-locking lines.

When an external interlocking signal is to bebrought into the annunciator unit, one of thealarm channels can be used as an interlockinginput. In this case the alarm channel may begiven the field contact following visual indica-tion sequence (S4 = 2) so no audible alarm willbe generated from the channel, see page 29.

Fig. 14. Principles for the interlocking functions of an alarm channel.

SEQUENCELOGICS

Reflash B

& Reflash A

Interlocking output (0) Acknowledge

Reset

1

Visual indicator

Audible alarm output

Reflash Ainterlockinginput (1)

Channelinterlockinginput (2)

Alarm input(or interlocking input)

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16

The connections described above have beenmarked with dots on the corresponding lines infigure 15. The programming technique usingthe push-buttons on the front panel is describedon page 30.

To give a good overview of the interlockingconfiguration the figure 15 can be used whenconfiguring the interlocking scheme.

Example of channelinterlockingconfiguration

An external interlocking signal is connected toinput channel 10 which is configured to give ainterlocking output to interlocking line 1. Whenactive, line 1 interlocks reflash signal type A onchannel 7 and locks channel 8 totally. Channel8 gives also an interlocking output to line 2which in turn interlocks reflash signal type A onchannel 5.

Fig. 15. Interlocking diagram.

INTERLOCKING GROUPS

1 2 3 4 5 6 7 8

Channel 1/__Function 1

Function 2


Function 2


Function 2Channel 4/__

Function 1

Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2

TYPE OF INTERLOCKING0 = interlocking output1 = reflash A interlocking input2 = channel interlocking input

Alarm module No___

Interlocking input0 1

2 10 2

1 1

1 2

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17

Serialcommunicationinterface

The alarm annunciator unit comprises a serialcommunication port over which the unit can beconnected to a local reporting and data commu-nication system using the SPA bus protocol.The physical connection for the serial interfaceis located on the screw terminals on the back ofthe unit using terminals 1, 2, 3, 13 and 14 (sefigure 16) The serial interface is according to theRS 485 standard.

Using electrical connection the transfer distanceis about 20 to 30 m depending on the interfer-ence level of the installation. The maximumallowed ground potential difference betweenthe units is 10V.

A fiber optical connection module, SPA-ZC 17or SPA-ZC 21 is used to connect the unit to afiber optical bus. The transfer distance usingfiber optical media is approximately 30 m forplastic fiber and 2 km for glass fiber.

Note! Because of the disturbant environment(like in substations) where the units are operat-ing it is always recommended to use fiber opticalcommunication.

By using the LON/SPA gateway, SPA-ZC 100,the alarm annunciator might also be connectedto the LON bus.

The SPA bus protocol is described in the docu-ment SPA bus communication protocol V2.5,34 SPACOM 2 EN1 and the LON Talk proto-col is described in the document LON bus -LON Works network in protection and controlsystems; 1MRS750035-MTD EN

The speed of the serial communication is nor-mally 9600 bits/s

Through the serial communication the follow-ing information is read from the unit:- the event registers including the time markings- the state of the channels and of the system- the programmed parameter values- pulse counter values

The following data can be written to the unit:

- time synchronization- audible device reset- alarm channels acknowledge and reset- control of an alarm channel- control of output relays- control of the interlocking channels- setting values- testing of the unit

Fig. 16. Principle lay-out of the serial communication interface.

Synchronizing of theblinking sequence

If several units are located close to each otherwithout any connection to a higher level system,it might be desired to synchronize the blinkingsequences between the units. This is done byconnecting the serial interfaces together and toconfigure one of the units to transmit a synchro-

nizing signal (V201=1) and the others to receivethat signal (V201 = 0).

V201 Setting of transmission rate

0 = 9600 bits/s, synch pulse receiver1 = 9600 bits/s, synch pulse transmitter2 = 9600 bits/s3 = 4800 bits/s

4 = 2400 bits/s5 = 1200 bits/s6 = 300 bits/s

8V

RTS

Data Data directionon SPA-bus

Rx/Tx

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18

Programming The parameter values are stored in the unit in anon-volatile EEPROM memory. Thus the set-ting of parameter values can be performed andchanged by means of the push-buttons on thefront panel or via the serial communication usinge.g. the SMS 010 software. This means that theannunciator unit is fully field-programmable.

For connecting a PC directly to the serial inter-face of the unit (for parameterization) the cablesSPA-ZP 6A3 and SPA-ZP 21A are used.

The entry to the parameter memory can beblocked by means of a plug selector which islocated on the PCB right behind the front panel,see figure 31 on page 27.

Fig. 18. Example of double power supply arrangement. Supply 1: 220 V AC with an isolating

transformer 20 VA, 220 V/220 V. Supply 2: 110 V DC supply.

Auxiliary powersupply system

The plug-in power supply module of the an-nunciator unit is specified for supply voltagewithin the range of 80...265 V AC or DC(SPGU 240A1) or 18...80 V DC (SPGU 48B2).

The annunciator unit is equipped with onepower supply module but with two identicalsupply voltage inputs (figure 17). Generallyonly one of the inputs is used, but the annuncia-tor can be supplied from two sources. It must,however, be noticed that the two supply inputs

are galvanically connected. Thus, in case twosupplies are used, it is recommended that thetwo supply sources are galvanically isolated. Ifan ac supply is used, an isolating transformer canbe installed to provide the galvanic separation(figure 18).

The insulation level between the supply sourceand the electronics as well as between the fieldcontact circuits and the electronics is 2 kV, 50Hz, 1 min.

Fig. 17. Principle diagram for the power supply system.

Field contact supply 48 V -

Logic supply 8 V-

Relay supply 24 V -

20

21

22

23

24

Supply 1

Supply 2

SPGU

20

21

22

23

24

Supply 1

Supply 2

220 VAC

110 VDC

SACO 16D3

SPGU

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19

Application

Mounting

The annunciator unit is intended for flush mount-ing and provided with two mounting brackets.The depth behind the panel can be reduced bymeans of raising frames. Three raising frames areavailable, 40 mm, 80 mm and 120 mm:

- SPA-ZX 101, 40 mm raising frame- SPA-ZX 102, 80 mm raising frame- SPA-ZX 103, 120 mm raising frame

The corresponding mounting brackets are de-livered along with the raising frames .

The mounting frame is furnished with a rubbergasket which provides a degree of protection byenclosure to IP 54 between the case of theannunciator and the mounting panel.

Raising frame

SPA-ZX 101SPA-ZX 102SPA-ZX 103

211171131

74114154

a b

a b

Panel cut-out

129 1

1391

142

162

136

22

34

285

229

251

Fig. 19. Dimension and mounting drawings for the annunciator unit SACO 16D1.

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20

Terminalsand wiring

The screw terminal to facilitate all input andoutput connections are located on the rear panelof the annunciator case. Each screw terminalcan accommodate one or two max. 2.5 mm2

wires. No terminal lugs are needed.

A connection diagram is attached to on one ofthe side surfaces of the annunciator case.

SACO16D1

MadeinFinland

12

11

10

9

8

7

6

5

4

3

2

1

24

23

22

21

20

19

18

17

16

15

14

13

60

59

58

57

56

55

54

53

52

51

50

49

72

71

70

69

68

67

66

65

64

63

62

61

L+

N

L+

N

UN=1880V

UN=80265V~

RS811163-BA

RS811163-AA

SERIALNO

Fig. 20. Rear view of the annunciator unit SACO 16D1.

Connections:Auxiliary supply 20-24Protective ground 22Field contact circuits 49 - 72Acknowledge/reset 16 - 18Reflash outputs 5 - 12Serial interface 1 -3 and 13 - 14

Fig. 21. Connection diagram for the annunciator unit SACO 16D1.

Important 1Make sure that the connected auxiliary supplyvoltage complies with the specification. If twoauxiliary supply voltages are used, both voltagesare to be in accordance with the specified supplyvoltage range.

Also make sure that the Protective ground (22)is properly wired.

Important 2If the annunciator is powered from two separateauxiliary voltage sources, the supply networksmust be galvanically separated e.g. with an iso-lating transformer if the customer does notaccept that the supply networks are galvanically

interconnected.

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

50

49

CH1

CH11

CH9

CH10

CH12

CH13

CH14

CH15

CH16

CH2

CH3

CH4

CH5

CH6

CH7

CH8

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

+48V

Rx/Tx

SIGNAL

GND

GROUP

AL. 1

+

-

RTS

FOR

SPA-ZC

+

-

N -

L +

N -

L +

RESET

AUD.

RESET

GROUP

AL. 2

AUD.ALARM

FAULT

+48V

+8V

Numbered terminals

Ratings, i.e. type designation,serial number and the specifiedauxiliary supply voltage rangewhich has been indicated witha cross in a square

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21

Start-up When the auxiliary supply voltage is connected,all active alarm channels are indicated as already

being acknowledged. These alarms are not to befound in the event register.

Operational test The unit is tested by first acknowledged/reset allalarms and then the acknowledge/reset push-button is kept depressed for about 1 second.This move will cause all LED indicators, exceptthe FAULT LED, to be switched on and thedigital display to indicate 8888 as long as thepush-button is depressed. If the acknowledge/

reset push-button is depressed for more than 15s, the self supervision output relay drops of andthe FAULT LED is lit.

The operational test comprises the internal sys-tem circuitry. The field contact circuits andauxiliary devices must be tested separately.

Legend plate The screened plastic overlay is provided withtranslucent windows for the 16 channels. Thechannel legend texts are applied on a drawingfilm also square-ruled to form 16 text fields. Thedrawing film can be inserted in a slot along theleft-hand edge of the front plate, see figure 22.The front plate including the legend text filmand the screened plastic overlay are kept in placeby means of four finger screws.

The legend text may be written with a drawingink pen or a typewriter. Together with the

annunciator unit a sheet of drawing film com-prising three legend plates is delivered.

The channel text surface comprises 20 mm x 20mm and the text area is ruled with four lines.

NOTE!The starting point for the first line of the chan-nel legend text is intended a few millimeters

from left in order not to cover the visual LEDindicator of the channel.

FAULT

ON

T 1

GROUND

FAULT

TRIP

G 1

MOTOR

GROUND FAULT

RELAY TRIP

Drawn with 2,5 mmlettering guide

Drawn with 1,8 mmlettering guide

1Annunciator unitidentification number

Fig. 22. Partially withdrawn a drawing film.

Fig. 23. Channel legend text drawing film.

Drawn with 2.5 mmlettering guide

Drawn with 1.8 mmlettering guide

Annunciator unitidentification number

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22

ZE

TTLER

0911

AZ

269

4-052-52

250

V8A~

AC1

24V

2/64

250

S

N

~

4KV/8mm

VDE0860

ZN1

ZE

TTLER

0911

AZ

269

4-052-52

250

V8A~

AC1

24V

2/64

250

S

N

~

4KV/8mm

VDE0860

ZN1

ZE

TTLER

0911

AZ

269

4-052-52

250

V8A~

AC1

24V

2/64

250

S

N

~

4KV/8mm

VDE0860

ZN1

ZE

TTLER

0911

AZ

269

4-052-52

250

V8A~

AC1

24V

2/64

250

S

N

~

4KV/8mm

VDE0860

ZN1

E E E E E E E E E E E E

Selection of outputcontact mode

Upon delivery the output contacts of the an-nunciator unit are selected for a NO mode ofoperation except for the internal self supervisionoutput relay that is normally energized and itsoutput contact is open, i.e. NC. If needed themode of operation of the output contacts can bechanged to the NC.

The output relays are physically located on thePCB of the Input/Output module SWIM 2A1.Access to the module is obtained so that first thelid is opened and the front panel dismountedand then the microprocessor module SWPM3A1 is withdrawn.

WARNING!Although the auxiliary supply voltage of theannunciator unit has been switched off, externalvoltages may be present in the auxiliary reflashcontact circuits.

When the Input/Output module has been with-drawn from the case, the PCBs can be separatedfrom each other so that the retaining tongues ofthe plastic spacing plugs are depressed and theupper PCB is lifted. The jumper wires on thePCB corresponds to the output relays as follows:

W1 reflash output relay 1W2 reflash output relay 2W3 self-supervision system output relayW4 audible device output relay

The mode of operation selection for the outputrelays is carried out by moving the concernedjumpers on the PCB in the way illustrated bythe legend print on the PCB.

Fig. 25. Output relays of the I/O module SWIM 2A1.

Audible device output

Self-supervision output

Group reflash ouyput 2

Group reflash ouyput 1

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Operationinstructions

The alarm annunciator unit is very easy to use.In principle the use of the annunciator is con-trolled from the "Reset and test push-button"only. However, when parameters are selected

and altered and when stored information is readout from the event register, the four push-buttons in the lower right hand corner are used.

Fig. 26. Front panel indicators and event register push-buttons for the annunciator unit SACO 16D1.

FAULT

ON

SACO 16D1

Power-on and fail indicators

First-out display and event register readout display

Silence/Acknowledge/Reset sequence indicators

Reset and test push-button

Channel window with legend text antvisual indicators

Event register scanning and readout push-button

The other push-buttons and indicators are usedand utilized during programming

During a normal process condition, when noalarms are active and when all acknowledges/resets have been performed, the only indicatorglowing on the front panel is the ON LED.When alarm signals are received, the alarmchannels starts and the visual LED alarm indica-tors are activated according to the selected se-

quence programs. At the same time the firstalarm channel number and a letter A in front ofit is to be seen in the display. The SILENCE/ACKNOWLEDGE/RESET LEDs indicate thenext reset function at hand.

The reset functions are:SILENCE = stops the sound of the

audible deviceACKNOWLEDGE = indicates recognition of

an alarmRESET = returns the alarm chan-

nel to normal state

The SlLENCE and ACKNOWLEDGE se-quence actions can also be carried out withexternal push-buttons. The external push-but-tons are wired to the terminals AUD. RESET(17) and RESET (16) of the annunciator unit.

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First-out alarmindication

The first-out alarm indication is a feature of theannunciator unit which means that the firstalarm channel to start after a reset is indicated

with a letter A and the channel number in thefour-digit display.

Channel 1

Channel 2

Channel 3

Channel 16

First-outalarmmemory

Reset

Digital display

Not used

Type of eventA = incoming alarm

Channel number

1...16

Fig. 27. Principle of the first-out alarm indication.

The first-out alarm indication is removed from the display with the acknowledge/ reset push-button.

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Event sequenceregister

The annunciator unit continually registers theincoming events and the latest 9 events arealways stored in their chronological order in theevent sequence register from which they can beread out from the digital display at any time.

The events are read out with the push-button,which becomes accessible when the plastic lidhas been opened. Each time the push-buttonis depressed, a new event is shown in the displaystarting with the youngest event and ending upwith the oldest event after which the display isturned off. The stepping through of the eventsequence register can be repeated if required.

The stepping through always proceeds in thesame direction.

IMPORTANT!When the annunciator unit is turned into theprogramming mode by the push-button , theinformation in the event sequence register isautomatically erased. The information in theevent sequence register is also lost if the auxiliarysupply of the annunciator unit is interrupted.However, the event register for the serial com-munication will not been reset when the unit isturned into programming mode only if theauxiliary supply is interrupted.

Fig. 28. Principle of the event sequence register.

Chronological orderDecimal point indicates first-out alarm after previousacknowledgeType of eventA = incoming alarm- = disappering alarm- - - - = acknowledge


Channel 1

Channel 2

Channel 3

Channel 16

Eventregister

Acknowledge

Digital display

Youngest event

The information of the eventregister is read out with thepush button

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26

Programming The alarm annunciator unit is a very flexibledevice but at the same time easy to use.

The programming work is carried out easily bymeans of the programming push-buttons on thefront panel or via the serial communicationusing e.g. the SMS 010 setting and monitoringsoftware. The parameter values are stored in anon-volatile EEPROM memory which meansthat the parameter programming is a very straightforward action and that the information con-tent of the memory is maintained even in a lossof supply situation.

The parameter values can be and are usuallyfinally defined after that the annunciator unithas been mounted at site during the commis-sioning work.

By means of a plug selector located on the PCBjust behind the front panel the switching over ofthe annunciator unit into the programmingmode can be prohibited. In this way the pro-gram memory of the annunciator unit can beprotected against unauthorized access.

Programmingtechnique

The annunciator unit is programmed by meansof the five push-buttons and the four digit display

on the front panel. The push-buttons are accessi-ble after that the plastic lid has been opened.

Fig. 29. Front view of the annunciator unit.

FAULT

ON

SACO 16D1

Four-digit seven-segment display

Enter command push-button

Parameter pointer indicators

Parameter selector push-button

Data value selector push-button

Display cursor control push-button

Channel selector push-button

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27

For better HMI (Homan Machine Interface)the unit can be programmed via the serial inter-

face using a PC program, e.g. SMS 010 soft-ware.

S 1S 2

Fig. 30. SACO connected to a SMS PC.

IMPORTANT!When the programming work is done the unitgoes off-line, which means that the annunciatorunit is set out off its normal operation during the

time it is being programmed. The procedurewhen it goes back from programming mode isthe same as when it starts up.

Fig. 31. Selector plugs.

Selector plug to enable/disableparameter programming

IMPORTANT!The plug selector which is used to enable orprohibit programming of the annunciator unitcan be located in two places named S1 and S2.Programming is prohibited when the selector

plug is located in position S2 and enabled whenthe selector plug is in the position S1. The frontpanel can be dismounted by the four fingerscrews on the front panel.

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Programmingpush-buttons

Parameter selector push-button

With the parameter selector push-button thefive programmable parameter groups are calledup one by one. At the same time the previouslyselected parameter values are displayed. Whenall parameters have been stepped through, thefifth parameter pointer LED is switched off, theannunciator unit steps out of the programmingmode.

Display cursor control push-button

The cursor can be moved with the display cursorcontrol push-button. The cursor always movesfrom the left to the right and the cursor positionis indicated by blinking digit(s).

Parameter value selector push-button

With the parameter value selector push-buttonthe appropriate code number or data value forthe concerned parameter is selected, i.e. for thedigit(s) blinking.

Enter command push-button (Reset)

The selected data value is stored in the param-eter memory with the enter command push-button. Se figure 29 to locate the button.

Channel selector push-button

The channel to be programmed is called up withthe channel selector push-button. The channelsare stepped through one by one from 1 to 16 andthe channel to be programmed is indicated by itsLED indicator glowing .

Channel relatedparameters

Selection of channelinput delay

The pointer LED marked INPUT is called upwith the parameter selector push-buttonandthe channel to be programmed is chosen withthe channel selector . The cursor is moved tothe leftmost digit of the display with the cursorcontrol push-button . The concerned digitstarts blinking. The blinking number displayedcorresponds to the following values of the chan-nel input delay:

0 = 5 ms1 = 20 ms

2 = 100 ms3 = 1 s4 = 5 s5 = 20 s6 = 60 s7 = 160 s8 = other time value set over the serial commu-

nication

The required value is chosen with the data valueselector push-button - and stored in the param-eter memory with the enter command push-button (Reset). The rest of the channels andtheir input delays can be programmed in thesame way. Escape from the programming modeby repeatedly pressing the parameter selectorpush-button until all the parameter pointerindicators are switched off.

NOTE!If no push-button has been pressed for a minute,

the annunciator unit automatically escapes fromthe programming mode and enters into its nor-mal operation mode.

Selection of channelresetting delay

The channel resetting delay is programmed inexactly the same way as the channel input delay(see above). The cursor is, however, located to

the second digit from the left of the display,

which indicates the resetting delay time. Thetime values are also the same as those for theinput delay.

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Selection of fieldcontact type or

pulse counter

The LED marked INPUT is called up with theparameter selector push-buttonand the chan-nel to be programmed is chosen with the chan-nel selector push-button. The cursor is movedto the third digit from the left of the display withthe cursor control push-button . The valuecorresponds to the following input signal types:

0 = input signal from a normally open fieldcontact

1 = input signal from a normally closed fieldcontact

2 = channel activated from a raising edge signalonly

3 = channel activated from a falling edge signalonly

4 = channel activated from a raising and fallingedge signal

5 = Pulse counting on closing contact6 = Pulse counting on opening contact7 = Pulse counting on closing and opening con-

tact

The chosen value is selected with the data valueselector push-buttonand stored in the param-eter memory with the enter command push-button.

NOTE!Those channels which have been programmedto be activated by a raising or a falling edge signalare not to be linked to any other type of reflashgroup than to the AACR and ISR types. Achannel which is controlled by an edge signalcan be interlocked but it can not itself generatean interlocking signal to be forwarded.

Selection ofchannel-specified

indications

The LED marked INPUT is called up with theparameter selector push-buttonand the chan-

nel to be programmed is chosen with the chan-nel selector push-button. The cursor is movedto the fourth digit from the left with the cursorcontrol push-button . The fourth digit ex-presses the type of indication as follows:

0 = normal sequence, i.e. the same operationsequence that has been selected for the wholeannunciator unit (se section Selection ofalarm sequence type on page 31)

1 = normal sequence, i.e. the same operationsequence as has been selected for the whole

annunciator unit but extended with an audi-ble ringback feature upon return to normalof an alarm channel. Applies only to thesequences 3 (ISA R-1) and 4 (DIN 19235),

2 = field contact following indication withoutaudible alarm

The chosen value is selected with the data valueselector push-button - and stored in the param-eter memory with the enter command push-button.

Configurationof pumpingsupervision

The LED marked INPUT is called up with theparameter selector push-buttonand the chan-nel to be included in the pumping supervision ischosen with the channel selector push-button. The cursor control push-buttonis pressedfive (5) times and the first, third and fourth

digits are lit. The third and fourth digit expressesthe pumping supervision as follows:

00 = pumping supervision not in use01...99 = maximum allowed events per minute

Configuration ofreflash group alarms

The LED marked GROUP is called up with theparameter selector push-buttonand the chan-nel which is to be joined to a reflash group isselected with the channel selector push-button. Then with the cursor control push-buttonthe cursor is moved to the first two digitsfrom the left corresponding to channel reflashtype A or to the last two digits correspondingto the channel reflash type B. The designatedreflash group is selected with the data valueselector push-button , that is:

01 = output reflash group 102 = output reflash group 2

If required the channel reflash types A and B canboth be programmed for the same channel. Theselected reflash configuration is stored in theprogram memory using the enter commandpush-button.

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30

Module relatedparameters

The programming examples and selections abovehave all been channel specific which means thatthe parameters are selected individually for eachchannel. The function which will be described

in the following section is annunciator specific,which means that the selected function con-cerns the whole annunciator unit.

Selection of modeof operation for thereflash output relays

The LED marked OUTPUT is called up withthe parameter selector push-button and thefirst two digits from the left of the display are

activated with the cursor control push-button. The blinking digits indicate, as listed below,which reflash group is being programmed at themoment, i.e.:

01 = output reflash group 102 = output reflash group 2

The reflash group in question is called up withthe data value selector push-button , afterwhich the cursor is moved to digits three andfour from the left of the display with the cursorcontrol push-button . The two digits are

indicating the mode of reflash alarm signal forthe selected output reflash group as follows:

0 = field contact following reflash (FCFR)1 = acknowledge action controlled reflash

(AACR)

2 = impulse shaping reflash (ISR), impulselength 300 ms3 = field contact following reflash with a 300 ms

interruption of the reflash signal any time anew alarm signal joins into an already activegroup alarm

4 = FCFR + AACR, Field Contact FollowingReflash and Action Controlled Reflash

Se figure on page 12.

The chosen reflash mode is selected with thedata value selector push-button and stored in

the parameter memory with the enter commandpush-button.

Selection of inter-locking configuration

The interlocking configuration is channel spe-cific, i.e. is done separately for each channel. Ageneral overview of the channel interlockings isillustrated in figure 35 on page 34, which can beused to draw up the interlocking scheme whenthe channel interlockings are to be programmed.

The parameter selector push-buttonis repeat-

edly pressed until the LED marked INTER-LOCK starts glowing. Select channels with thechannel selector push-button .

A maximum of two interlockings can be selectedper channel. I.e. a channel can receive interlock-ing signals from two different interlocking lines(groups) or transmit one interlocking signal andreceive one interlocking signal. The first twodigits from the left in the display correspond tothe first interlocking function and the digitsthree and four corresponds to the second inter-locking function.

If the first interlocking function is to be taken inuse, the first digit from the left in the displayindicate the type of interlocking, that is:

0 = interlocking output1 = interlocking input, reflash type A inter-

locked2 = interlocking input, whole channel, return as

an acknowledged alarm3 = interlocking input, whole channel, return as

a new alarm

See interlockings on page 15

When the required interlocking function hasbeen selected, it can be linked to the choseninterlocking line by moving the cursor to thesecond digit from the left with the cursor controlpush-buttons . The chosen interlocking line(1...8) is selected with the data value selectorpush-button . If no interlocking function isneeded, a - mark is selected in stead of the

number of the interlocking line. The selectedparameter values are stored in the memory bypressing the enter command push-button.

The selection relating to the second channelinterlocking function is carried out in the sameway as the selection of the first interlockingfunction, but in this case the third digit from theleft of the display indicates the type of interlock-ing and the fourth digit states the correspondinginterlocking line.

IMPORTANT!If more than three interlocking levels are used(i.e. a channel that blocks a channel that blocksa channel) the resolution of the time stamp ofthe events will be effected.

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The following example of an interlocking con-figuration relates to the figure on page xx.

At first INTERLOCK function is selected.Channel 10 is called up.The display is set to 010-, which is stored in thememory.Channel 10 now activates interlocking Line 1.

Channel 8 is called up.The display is set at 2102, which is stored in thememory.Channel 10 now interlocks whole channel 8 (viathe interlocking line 1 ) at the same time channel8 activates interlocking line 2.

Then channel 7 is called up.The display is set at 110-, which is stored in thememory.Channel 10 now interlocks the reflash A ofchannel 7 via interlocking Line 1.

Then channel 5 is called up.The display is set at 120-, which is stored in thememory.Channel 10 now interlocks channel 8 whichinterlocks the channel reflash type A of channel5 via interlocking line 2.

Selection ofannunciator SPA busslave address

The parameter selector push-buttonis repeat-edly pressed until the LED marked MODULEstarts glowing. The cursor is moved to the firsttwo digits from the left of the display, using thecursor control push-button . The SPA bus

slave number (01...99) is selected for the annun-ciator unit with the data value selector push-

button . The chosen slave number is enteredinto the parameter memory by pressing theenter control push-button.

NOTE!

No slave number is needed if the annunciatorunit is not connected to a higher level system.

Selection of alarmsequence type

The selectable alarm sequences are illustrated onpage xx. To select the chosen alarm sequence theparameter selector push-button is repeatedlypressed until the LED marked MODULE startsglowing. Using the cursor control push-button, the cursor is moved to the third digit, seenfrom the left, which indicates the selectablealarm sequence types as follows:

0 = ISA A, automatic reset1 = ISA A-1, automatic reset2 = ISA M-1, manual reset3 = ISA R-1, indication on return to normal4 = DIN 19235, indication on return to normal

All sequence types but ISA A requires a separatereset of the audible alarm. The chosen sequence

is selected with the data value selector push-button and stored in the parameter memorywith the enter command push-button.

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Selections for theserial communication

port

When the annunciator system is composed ofseveral interconnected units, the flash sequenceof the visual indicators can be synchronized.One of the annunciator units is defined as themaster (1), thus delivering a synchronizing pulseto all the other interconnected annunciators (0).If the annunciator units are connected to ahigher level system, the synchronizing pulses forthe annunciator units are obtained automati-cally.

The parameter selector push-buttonis repeat-edly pressed until the LED marked MODULEstarts glowing. The cursor is then moved to thefourth digit from the left of the display with thecursor control push-button. The fourth digitcorresponds to one of the following functions:

0 = sync-pulse receiver, when not connected toa higher level system

1 = sync-pulse transmitter, when not connectedto a higher level system

2 = 9600 bits/s serial communication3 = 4800 bits/s4 = 2400 bits/s5 = 1200 bits/s6 = 300 bits/s

The data value selector push-button is repeat-edly pressed until the function aimed at isreached. The selected function is then stored inthe parameter memory by pressing the entercommand push-button.

If the annunciator unit is connected to a higherlevel system by means of a serial communicationlink or if the annunciator unit has been pro-grammed to receive an externally generatedsynchronizing pulse and no synchronizing pulseis received within a time period of one minute,a visual indication in the form of a blinkingdecimal point will be switched on in the right-hand lower corner of the display. When no serialcommunication link is connected to the annun-ciator unit, the annunciator unit must be pro-grammed to function in the sync-pulse receivermode.

NOTE!The parameters need not to be stored in the

parameter memory one by one, but they can bestored all together at the same time, when theyhave been given their specified values in thedisplay.

A summary of the programming parameters(figure 32) and empty parameter tables (figure33 and 34) is given on the following pages.

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Fig. 32. Parameter selection key for annunciator unut SACO 16D1.

Parameterselection key

Channelinput delay

Channelreset delay

Contacttype

Channelindication

0 = 5 ms1 = 20 ms2 = 100 ms

3 = 1 s4 = 5 s5 = 20 s6 = 60 s7 = 160 s

0 = 5 ms1 = 20 ms2 = 100 ms

3 = 1 s4 = 5 s5 = 20 s6 = 60 s7 = 160 s

0= NO contact1= NC contact2= NO contact,

no return3= NC contact, no return4= NO and NC contactPulse counters:5= NO contact6= NC contact7= NO and NC contact

0= seq. 0-41= seq. 0-4 audible also

at return tonormal2= field cont. following, no flashing, or audible

DISPLAY

PARAMETER

Input

Channel reflash A Channel reflash B

- - = no group alarm01= group alarm 1 - - -16= group alarm 16

- - = no group alarm01= group alarm 1 - - -16= group alarm 16

Interlocking function 1 Interlocking function 2

Type ofinterlocking

Interlockinggroup

Type ofinterlocking

Interlockinggroup

0= interlocking output1= channel reflash A interlocked2= channel

interlocked3= channel interlocked

- = not grouped1= group 12= group 23= group 34= group 45= group 5

6= group 67= group 78= group 8

0= interlocking output1= channel reflash A interlocked2= channel interlocked3= channel interlocked

- = not grouped1= group 12= group 23= group 34= group 45= group 5

6= group 67= group 78= group 8

Group alarm number Type of reflash relay function

01= group alarm relay 102= group alarm relay 2 - - -16= group alarm relay 16

0= field contact following1= alarm memory following2= 300 ms pulse3= 0 + 2

Unit identification number Sequence Serial comm.

01= number 102= number 2 -

- -99= number 99

0= ISA A1= ISA A-12= ISA M-1

3= ISA R-14= DIN 19235

0= syncr. input1= syncr. output2= 9600 Bd

3= 4800 Bd4= 2400 Bd5= 1200 Bd6= 300 Bd

Group

Interlock

Output

Module

Parameter selector

Display cursor Channel selector

M

Data value selector

Store (Reset)

Channelinput settings

Channel-related anti-pumping

00= supervision disabled0099= allowed number ofregistrations per minute

Reflashgrouping

Configurationof interlockings

Group alarmsettings

Annunciatormodule settings

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34

Parameter chart

Alarmchannel

1

23

4

5

6

7

8

9

10

11

12

13

14

15

16

Input

Channelinput

delay

Channelreset

delay

Contacttype

Channel

indication

Group Interlock

Typeof

interlocking

Interlocking

group

Channelreflash A

Channelreflash B

Typeof

interlocking

Interlocking

group

Interlock funct.1 Interlock funct.2

Output

Group alarmnumber

Type of reflashrelay function

Module

Unitidentificationnumber

Sequence

Serial

communication

Fig. 33. Parameter chart.

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Channel inter-locking scheme

INTERLOCKING GROUPS

1 2 3 4 5 6 7 8


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2


Function 2

TYPE OF INTERLOCKING0 = interlocking output1 = reflash A interlocking input2 = channel interlocking input

Alarm module No___

Fig. 34. Channel interlocking scheme for programming.

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Remote informationto and from thealarm annunciator

The following parameters can be read out orwritten down to the annunciator unit from ahigher level device.

Code Factory Value and functionsetting

Module related parameters

V205 - Program version

S1 0 Reflash output 1 sequence0 = FCFR1 = AACR2 = ISR3 = FCFR + ISR4 = FCFR + AACR

S2 0 Reflash output 1 sequence

S17 3 Alarm sequences0 = ISA A

1 = ISA A-12 = ISA M-13 = ISA R-14 = DIN 19235

S18 0 Specification of active channels to be printed out as a result whenparameter A is read out0 = both alarm and status channels are printed out1 = only alarm channels are printed out2 = no out printing

S19 0 Pumping supervision output relay 00 = not connected01 = output relay 1

02 = output relay 2

S33 0 Control of the output relay 1 over the SPA bus0 = not active1 = changing of state (on/off)2 = pulse activation

S34 0 Control of the output relay 2 over the SPA bus

S49 0 Pulse length of output relay 10,3...25,5 = pulse length in seconds

S50 0 Pulse length of output relay 2

V1 - Position of local/remote position0 = local + remote position1 = local position2 = remote position

V2 - Resetting of audible alarm output1 = reset

V3 - Acknowledge of alarm signal1 = acknowledge

V4 - Testing 0 = testing off1 = testing on

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V50 - Status information of all 16 channels, HEX coded form0000 = no active channels0001 = channel 1 active0002 = channel 2 active0003 = channel 1 and 2 active0004 = channel 3 active

0005 = channel 1 and 3 active0006 = channel 2 and 3 active0007 = channel 1,2 and 3 active0008 = channel 4 active0009 = channel 1 and 4 active000A = channel 2 and 4 active000B = channel 1,2 and 4 active000C = channel 3 and 4 active000D = channel 1,3 and 4 active000E = channel 2,3 and 4 active000F = channel 1,2,3 and 4 active-

--FFFF = all 16 channels active

V51 - Status information of the overflow matrix register, HEX coded form0000 = no active channels0001 = channel 1 active0002 = channel 2 active0003 = channel 1 and 2 active0004 = channel 3 active0005 = channel 1 and 3 active0006 = channel 2 and 3 active0007 = channel 1,2 and 3 active

0008 = channel 4 active0009 = channel 1 and 4 active000A = channel 2 and 4 active000B = channel 1,2 and 4 active000C = channel 3 and 4 active000D = channel 1,3 and 4 active000E = channel 2,3 and 4 active000F = channel 1,2,3 and 4 active---FFFF = all 16 channels active

V100 - Reset of alarm channel1 = reset

V151 - Storing of information in non-volatile memory 1 = storing

V200 - Module SPA slave address1...99 = address number 1...99

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V201 2 Setting of the data transfer rate0 = 9600 bits/s, synch in1 = 9600 bits/s, synch out2 = 9600 bits/s3 = 4800 bits/s4 = 2400 bits/s

5 = 1200 bits/s6 = 300 bits/s

I1 - State of interlocking line 10 = not active state1 = active state

I2 - State of interlocking line 2I3 - State of interlocking line 3I4 - State of interlocking line 4I5 - State of interlocking line 5I6 - State of interlocking line 6I7 - State of interlocking line 7

I8 - State of interlocking line 8

O1 - Sate of output relay 10 = not active state1 = active state

O2 - Sate of output relay 2

C 0 Status information of module0 = when read normal state, when written resets the status register1 = CPU reset has occurred2 = overflow of the event register has occurred3 = 1 + 2

F SACO Type designation of module16D2B

T - Time setting 0.000...59.999 = time in seconds and milliseconds

L - Event sequence registerTime, channel and event code

B - Repeated read out of event registerTime, channel and event code

A - Active alarmsChannel number and event code

Channel related parameters (alarm channels 1...16)

S1 0.02 Channel input delay 0.005...160.0 = reset delay0.005 s steps

S2 0.02 Channel reset delay 0.005...160.0 = reset delay0.005 s steps

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S3 0 Field contact type0 = NO contact, with return function1 = NC contact, with return function2 = raising edge only3 = falling edge only4 = raising and the falling edge

5 = pulse counter, counts by contact closing6 = pulse counter, counts by contact opening7 = pulse counter, counts by contact opening and closing

S4 0 Channel related sequence0 = visual indication in accordance with selected sequence1 = visual indication in accordance with selected sequence, but with audible alarm also on return to normal2 = field contact following visual indication without audible alarm

S5 0 Channel reflash A 0 = not connected

1 = connected to reflash group 12 = connected to reflash group 2

S6 0 Channel reflash B0 = not connected1 = connected to reflash group 12 = connected to reflash group 2

S7 0 Interlocking signal 1, type specification0 = interlocking output1 = interlocking input, reflash A blocked2 = interlocking input, entire channel, return as acknowledged alarm3 = interlocking input, entire channel, return as new alarm

S8 0 Interlocking signal 1, grouping 0 = not connected1...8 = connected to interlocking line 1...8

S9 0 Interlocking signal 2, type specification0 = interlocking output1 = interlocking input, reflash A blocked2 = interlocking input, entire channel, return as acknowledged alarm3 = interlocking input, entire channel, return as new alarm

S10 0 Interlocking signal 2, grouping

0 = not connected1...8 = connected to interlocking line 1...8

S11 0 Pumping supervision0 = not connected1...99 = allowed events per minute

V5 0 Pulse counter0...29999 = start value

I1 - Sate of alarm channel0 = not active1 = active

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Event codesCode Meaning

Module related event codes

E10 Module faultE13 Events from the overflow matrix registerE50 Module resetE51 Event register overflow

Channel related event codes

E1 Alarm channel activeE2 Alarm channel resetE3 Alarm channel active, signal follower, no blink- or audible functionalityE4 Alarm channel reset, signal follower

Technical data Alarm channels

Number of alarm channels 16 channels

Type of field contact signal Normally open contact *)

Normally closed contactRaising and/or falling edgePulse counter

Internally generated field contact voltage 48 V dc + 20 %

Loop current of cl

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AAU_ABB_SACO 16D1_2012 [10kV]