NOR-LAKE SCIENTIFIC CP7, CP8 SERIES PROGRAMMABLE C...CP6, CP7, or CP8: Series Programmable Controller Version 1.0 Page 2 ABOUT THE CP6, CP7, AND CP8 The CP6, CP7, and CP8 are a new

CP6, CP7, or CP8: Series Programmable Controller

Version 1.0 Page 1

NOR-LAKE SCIENTIFIC

CP6, CP7, CP8 SERIES PROGRAMMABLE CONTROLLER

TABLE OF CONTENTS PAGE

About the CP6, CP7, and CP8............................................................................................................................................................ 2

Sensor Location

Product Temperature ........................................................................................................................................................... 2

Air Temperature .................................................................................................................................................................. 2

CP6, CP7, and CP8 controller layout, Operating buttons ................................................................................................................... 4

Connection .......................................................................................................................................................................................... 5

LCD Display ....................................................................................................................................................................................... 5

Starting up and operating the CP6, CP7, or CP8 ................................................................................................................................ 6

Room Set Points .................................................................................................................................................................. 7

Alarm Set Points .................................................................................................................................................................. 8

Ramp & Soak Programing ................................................................................................................................................... 10

High level configuration ...................................................................................................................................................... 12

Proportional Set-up.............................................................................................................................................................. 16

Lighting Set-up .................................................................................................................................................................... 18

Cooling Set-up ..................................................................................................................................................................... 20

Heat Set-up .......................................................................................................................................................................... 22

Humidity Set-up .................................................................................................................................................................. 24

Digital Inputs ....................................................................................................................................................................... 26

Sensor calibration offset ...................................................................................................................................................... 28

Manual system control ........................................................................................................................................................ 29

Maintenance run times ........................................................................................................................................................ 31

Alarm silencing, setting, resetting and clearing ................................................................................................................... 32

Hardware technical information

Mounting Control Panel ...................................................................................................................................................... 34

Main board layout .............................................................................................................................................................. 35

Power Supply ..................................................................................................................................................................... 37

Connecting inputs .............................................................................................................................................................. 38

Connecting outputs ............................................................................................................................................................. 41

Technical specifications ..................................................................................................................................................... 42

Replacement parts ............................................................................................................................................................... 45

05/03 113470

Nor-Lake Inc.

Nor-Lake Scientific

1-800-388-5253

Ver. Date : 00/00/00


Version 1.0 Page 2

ABOUT THE CP6, CP7, AND CP8 The CP6, CP7, and CP8 are a new programmable controller based on a 16-bit microprocessor designed for

Nor-Lake Inc. Scientific control panels. The control panels are made up of a microprocessor-based MAIN

BOARD equipped with a set of terminals used to connect the board to the controlled devices (i.e.: valves,

lights, fans, and humidification, alarm triggers). The program and the parameters are saved permanently in

the FLASH memory, preventing data loss in the event of power failure (with-out requiring a backup battery).

The control panel also includes a microprocessor-based TERMINAL unit complete with display, keypad and

led indicators allowing you to easily set the main control parameters (set-points, bands, alarm thresholds) and

carry out the main working operations (on/off, displaying controlled variables). Connection between the

terminal unit and main board is necessary only when programming the control panels’ basic parameters.

The basic sequence of operation is:

CP6 - on/off control using a pump down solenoid

CP7 and CP8 - cooling and heating using hot gas bypass using either a solenoid or by a proportional

modulating electronic valve

CP8 - activate the humidifier as needed when the humidity falls below the set point

CP8 - activate the dehumidifier as needed when the humidity exceeds set point

Dual mode defrost timer; Time initiated – Time terminated or Time initiated – Temperature terminated

In addition to the basic sequence of operation, optional features are available:

two display options using LED and Graphical displays

networking to a central command computer, or to an existing building automation system

monitor the sensors, compressors and heaters for failure. On a sensor failure, the applicable systems are

disabled. On a compressor failure by low or high pressure, the compressor is locked out and other

compressors substituted. On a heater failure the heaters are locked out, but automatically reset.

multi channels of on/off light control

day/night settings for Temperature and Humidity

redundant system operation of two units with automatic crossover

The CP6, CP7, and CP8’s are truly one of the most powerful and flexible controllers available today.

SENSOR LOCATION

The location of the sensors is very important. All sensors should be positioned away from electromagnetic

noise. The product temperature sensor should be immersed in glycerin or other suitable medium that

thermally simulates the product. The glycerin well/product sensor is normally mounted on the wall near the

door and should be mounted at a height that will best reflect the product storage height, normally 40” above

the floor. For optimum temperature control the air temperature sensor should be mounted at a location, out of

the direct discharge of the evaporator coil, that best reflects the median temperature of the room. If the sensor

lead is not long enough, the lead may be extended using 18 gauge wire. The humidity sensor (CP8 Series)

should be mounted at a height that will best reflect the product storage height, normally 40” above the floor.

It is critical that the humidity sensor is located out of any direct air stream or discharge from devices;

evaporators, door openings, humidifiers, dehumidifiers, heat from lights, etc. If the sensor lead is not long

enough, the lead may be extended using 18 gauge wire. After the sensors are mounted, seal the hole in the

wall where the leads were fed with silicone sealant to prevent airflow through the hole.


Version 1.0 Page 3

FRONT PANEL VIEW

Figure 1

Function of the Polycarbonate covered buttons with LED’s

Returns you to the main display from anywhere in the program

Displays the maintenance information of each device (working hours)

Allows you to access the displays concerning the printer (optional)

Allows you manual control of all systems (resets to AUTO on power off)

Nor-Lake Inc.

Nor-Lake Scientific

1-800-388-5253

Ver.Date :00/00/00


Version 1.0 Page 4

Real time clock settings, night/day settings, dual channel light settings(optional)

Allows you to set the controlling set points

Allows you to set the main working parameters (startup delays, redundancy, defrost settings, door

heater adjustments, etc.)

This screen gives product version number and information to the user.

Aux 1 allows you to enter digital input setup

Aux 2 allows you to enter control offsets for sensors (analog)

PLASTIC BUTTON FUNCTIONS

1. On/Off: turns the system on and off. This will include the room lights, outlets, refrigeration, heating, and

humidity control. The green LED lit behind the button indicates that the unit is ON. WARNING:

DISCONNECT ALL SYSTEM POWER BEFORE SERVICING ANY EQUIPMENT!

2. Alarm: by pressing this button you can display the active alarms, reset them manually or silence the

buzzer. When the red LED indicator lights up, at least one alarm condition has occurred.

3. Up arrow: moves upward through the program windows and increases the values of the control parameter

when the cursor is in a parameter field (no backlight).

4. Down arrow: moves downward through the program windows and decreases the values of the control

parameter when the cursor is in a parameter field (no backlight).

5. Enter: moves the cursor between parameter fields and confirms the set data. The button is backlit

(yellow light) and indicates that the unit is being powered.


Version 1.0 Page 5

DISPLAY

liquid crystal display (LCD)

LCD Display

Figure 2

Features

number of lines: 4

number of characters per line: 20

character height: 5 mm

no LED indicator

CONNECTION

The display unit is connected to the control board by a 6-wire standard phone cord of up to 1,000 feet in

length.

NOTE: A short, special phone cord is supplied with the controller. Connect a standard 6-wire phone cord

expansion to the end of this cord. DO NOT REPLACE THE SPECIAL CORD as this cord is

reversed from the normal phone cord. The control will not work if only a standard phone cord is

used.

Nor-Lake Inc.

Nor-Lake Scientific

1-800-388-5253

Ver. Date : 00/00/00


Version 1.0 Page 6

STARTING UP AND OPERATING THE NOR-LAKE CONTROL On first power up of the Nor- Lake Inc. unit, the CP6, CP7, or CP8 display will light and display the opening screen:

Notes: 1. After 1 minute the screen will default to the system status screen.

2. To move to the next screen the cursor has to be positioned in the upper left-hand corner

of the current screen.

3. The ENTER key will move the cursor in the current screen.

KEY: MENU

Pressing the MENU key will display the following screen. The MENU screens are display screens only to

change set points the values must be entered at the corresponding screens. To view screens progressively,

use the down arrow key.

MENU 1

Displays product temperatures and the room humidity. Humidity will only be displayed if the

humidifier or dehumidifier control has been enabled. The lower line displays a second product

temperature.

Note: Product 2 temperature will only be displayed if an additional sensor is installed and the

sensor is enabled on System Setup 3.

MENU 2

Displays system demands. The bottom line is used to show the status of the compressors and could show the conditions:

C1/C2:ON when air temperature is above the room temperature set point.

C1/C2:OFF when air temperature is at or bellow the room temperature set point.

HT1/HT2:ON when the auxiliary heaters are on.

C1/C2:DF when the system is in a defrost cycle.

C1/C2:ERR when the compressor alarm is active.

Note: C1 is for compressor #1. C2 is for compressor #2 and will only be displayed for systems

equipped with two compressors.

Nor-Lake Inc.

Hudson, WI

Parts and Service 1-800-388-5253

SYSTEM STATUS

PRODUCT: 000.0C

Humidity: 000%RH

PRODUCT 2: 000.0C

Air Temp: 000.0C

Cool:000% Deh:000%

Heat:000% Hum:000%

C1:OFF C2:OFF


Version 1.0 Page 7

MENU 3

Displays the current set points of the system. The date and time will only be displayed if a RTC

(real time clock) card is installed in the controller. The humidity and lighting set points will only

be displayed if each one is enabled.

KEY: SET

Note: If the password protection is used the following screen will be displayed before allowing access to the

SET POINTS screens. On initial start up there is no password protection, the passwords are set in the

PARAMETERS group. If no password protection is used the “ENTER PASSWORD” screen will not

be displayed.

Press the ENTER key to move the cursor to the four-digit password. Use the Up or Down Arrow key to

increase or decrease the number. When the correct password is displayed press the ENTER key to enter the

password. If the correct password was entered the corresponding screen will be displayed. If a wrong

password was entered “WRONG PASSWORD” will be displayed on the bottom line. The password can be

re-entered or press the MENU key to return to the System Status screen.

SET POINTS: Screen 1

Note: The schedule information will only be visable if a RTC is installed. If the schedule is enabled the

temperature will be set through the ramp and soak schedule. To disable the ramp and soak schedule

press the ENTER key to move the cursor to the schedule field. Use the Up or Down Arrow key to

disable the schedule. Press the ENTER key and the cursor will move to the upper left hand corner and

the set point will be visible. A full explanation of the ramp and soak schedule follows.

ENTER PASSWORD

0000

WRONG PASSWORD

SUN 00/00/00 00:00

Current Set points

Temp:000.0C

Hum:000.0% Lts:000%

Room Set Points 1

Temperature> 04.0C

SCHEDULE >DISABLED

Goto Schedule >


Version 1.0 Page 8


Note: The following screen will only be visible if the humidity is enabled in the Parameter section.

Press the ENTER key to move the cursor to the set point data field. Use the Up or Down Arrow

key to increase or decrease the number. When the correct set point is displayed press the ENTER

key to enter the set point, the cursor will move to the upper left hand corner. Press the Up or Down

Arrow key to scroll through the other screens or press the MENU key to return to the System Status

screen.


Note: The following screen will only be visible if the Lights are enabled in the Parameter section.


key to increase or decrease the number. When the correct set point is displayed press the ENTER

key to enter the set point, the cursor will move to the upper left hand corner. Press the Up or

Down Arrow key to scroll through the other screens or press the MENU key to return to the

System Status screen.



key to increase or decrease the number. When the correct value is displayed press the ENTER key

to enter the set point, the cursor will move to the next data field. Press the ENTER key to move

the cursor to the upper left hand corner and the Up or Down Arrow key to scroll to the next set

point screen or press the MENU key to return to the System Status screen.

Note: The High and Low Air Temperature Alarms provide an early warning prior to the product temperature

alarm. They should be set to allow the normal rise and fall of the air temperature during normal

operation. High ambient temperature and heavy door use may require a longer Alarm Delay. The

ALARM DELAY is the amount of time in seconds that the temperature must be above or below the

alarm set point for the alarm to activate.

Room Set Points 2

Humidity>050.0%

R.H.

Room Set Points 3

Lights>100%

Room Air

Temperature

High Alarm>000.0°C

Low Alarm>000.0°C

Alarm Delay> 000

sec


Version 1.0 Page 9








Note: This setting will be applicable to rooms equipped with two Product temperature sensors.







Note: The following screen will only be visible if the Humidity is enabled in the Parameter section.






Product Temperature

High Alarm>000.0°C

Low Alarm>000.0°C

Alarm Delay 000 sec

Humidity Alarms

High Alarm>000.0°C

Low Alarm>000.0°C

Alarm Delay 000 sec

Product 2 Temp.

High Alarm>000.0°C

Low Alarm>000.0°C

Alarm Delay 000 sec


Version 1.0 Page 10

RAMP AND SOAK SCHEDULE


Press the ENT key until the cursor moves to the schedule field. Use the Up or Down arrow key to

enable the schedule. Press the ENT key and the first of 21 Ramp and Soak screens will be displayed.

RAMP & SOAK

Weekly/Daily:

Daily, Mon, Tues, Wed,

Thur, Fri, Sat, Sun.

Time

Temperature Set Point

Humidity Set Point

Lighting Set Point

Ramp/Hold:

Ramp Set Point or Hold Set Point

Press the ENT key and the cursor moves to the Day of the Week/Daily field. Use the Up or Down

arrow key to select daily or the day of the week the schedule is to begin. Press the ENT key and the

cursor will move to the time field. Use the Up or Down arrow key to enter the desired time to change

the set points. Press the ENT key and the cursor will move to the temperature set point field. Use the

Up or Down arrow key to enter the desired temperature set point. Press the ENT key and the cursor

will move to the humidity set point field (if activated). Use the Up or Down arrow key to enter the

desired humidity set point. Press the ENT key and the cursor will move to the light set point field (if

activated). Use the Up or Down arrow key to enter the desired lighting set point.

Press the ENT key and the cursor will move to the Ramp / Hold field. Use the Up or Down arrow key

to select to Ramp the set point to the next scheduled set point or to Hold the set point until the next

scheduled set point. Press the ENT key and the cursor will move to the upper left hand corner. Press

the Down arrow key to go to the next schedule.

Note: If Daily is selected on the Program #1 screen programs 1 through 21 will repeat each day. Any

unused programs will have to be turned off.

Room Set Points 1

Temperature> 04.0C SCHEDULE >DISABLED

Goto Schedule >

Program Mon

12:01 04.0°C

50.0%RH Lights:100%

Ramp Set Point


Version 1.0 Page 11

Ramp and Soak Example

The following example will ramp from 4.0°C to 10.0°C every Monday from 06:00 to 12:00. The

temperature will remain at 10.0°C until Wednesday at 06:00 when it will begin ramping the set point

down to 4.0°C at 12:00 Wednesday. The set point will remain at 4.0°C until Friday at 06:00 when it

will begin ramping the set point up to 10.0°C at 12:00 Friday. The set point will remain at 10.0°C until

Sunday at 06:00 when it will begin ramping the set point down to 4.0°C at 12:00 Sunday. The

temperature set point will remain at 4.0°C until the schedule repeats Monday at 06:00.

It is recommended to fill out the Ramp and Soak worksheet on page 47 of this manual before

programming the ramp and soak functions of the controller.

Program # Daily/Weekly Time Temp. Humidity Lights Ramp/Hold

1 Mon. 6:00 4.0°C N/A N/A Ramp

2 Mon. 12:00 10.0°C N/A N/A Hold

3 Wed. 6:00 10.0°C N/A N/A Ramp

4 Wed. 12:00 4.0°C N/A N/A Hold

5 Fri. 06:00 4.0°C N/A N/A Ramp

6 Fri. 12:00 10.0°C N/A N/A Hold

7 Sun. 06:00 10.0°C N/A N/A Ramp

8 Sun. 12:00 4.0°C N/A N/A Hold

9 Off N/A N/A

10 Off N/A N/A

11 Off N/A N/A

12 Off N/A N/A

13 Off N/A N/A

14 Off N/A N/A

15 Off N/A N/A

16 Off N/A N/A

17 Off N/A N/A

18 Off N/A N/A

19 Off N/A N/A

20 Off N/A N/A

21 Off N/A N/A


Version 1.0 Page 12

KEY: PROG.

The PROG key is used to configure the system. Proportional set-up and light control are also set here if present on the system. Press the PROG key, then press the ENTER key to move to the desired field. Press the ARROW DOWN key to enter the desired set up function.

KEY: PROG AND SELECTING THE CONFIG SETUP ITEM


CONFIG SET POINTS screens. On initial start up there is no password protection the passwords are

set in the PARAMETERS group. If no password protection is used the “ENTER PASSWORD” screen

will not be displayed.

Press the ENTER key to move the cursor to the four-digit password. Use the Up or Down Arrow key to

increase or decrease the number. When the correct password is displayed press the ENTER key to enter the

password. If the correct password was entered the corresponding screen will be displayed. If a wrong

password was entered “WRONG PASSWORD” will be displayed on the bottom line. The password can be

re-entered or press the MENU key to return to the System Status screen.

CONFIG 1






Note: The System Delay is the initial delay of the system on power up. The door alarm delay is

the amount of time the door can remain open before the Door Ajar Alarm is activated.

Technician Menu Config Set. . . . .>

Proportional Set up>

Lights On/Off Set..>

System Setup 1

System delay>000sec

Door al delay>00min

ENTER PASSWORD

0000

WRONG PASSWORD


Version 1.0 Page 13

CONFIG 2


key to toggle between ON or OFF. When the correct value is displayed press the ENTER key to

enter the set point, the cursor will move to the next data field. Press the ENTER key to move the

cursor to the upper left hand corner and the Up or Down Arrow key to scroll to the next set point

screen or press the MENU key to return to the System Status screen.

Note: The Alarm Ring Back feature is the amount of time, in minutes, that the buzzer will be silent

after an alarm has been acknowledged and remains active.

CONFIG 3


key to toggle between DISABLED or ENABLED. When the correct value is displayed press the

ENTER key to enter the set point, the cursor will move to the next data field. Press the ENTER

key to move the cursor to the upper left hand corner and the Up or Down Arrow key to scroll to the

next set point screen or press the MENU key to return to the System Status screen.

Note: This screen enables or disables the second product sensor. A sensor must be connected to

the product 2 input of the control board or a sensor failure alarm will activate.

CONFIG 4






System Setup 2

Alarm Buzzer>OFF

Ring Back >20 MIN

System Setup 3

PRODUCT 2 SENSOR

DISABLED

System Setup 4

Defrost Schedule

1 00:00 3 00:00

2 00:00 4 00:00


Version 1.0 Page 14

Real time defrost schedule. The RTC defrost is enabled on Setup Screen 6 in the Factory Setup

Screens. Selecting the (RTC) will allow for real time based defrosting, instead of run time defrost

when the SYS Option is selected. The system may be programmed for 4 defrost cycles every 24

hour period.

CONFIG 5


key to toggle between Centigrade and Fahrenheit. When the correct value is displayed press the




Note: If the user changes temperature units, all set points and bands

must be verified in terms of the new unit. If the parameters have

changed, then they must be re-entered.

CONFIG 6






Communications set-up.

Protocol: NLSUP RS485,NLSUP RS232,MODBUS

Baud Rate: 1200,2400,4800,9600,19200

Ident Number: 0 to 200

System Setup 5

Units>Centigrade

Change set points

To Fahrenheit

System Setup 6

Protocol> NLSUP RS485 BAUD RATE> 1200

INDENT NUMBER> 000


Version 1.0 Page 15

CONFIG 7


key to increase or decrease the value. When the correct value is displayed press the ENTER key to




Note: The use and selection of Password is RECOMMENDED to protect the system from intentional or

inadvertent tampering. If passwords are not utilized, there will not be password prompting during

programming. This is very dangerous as the factory settings, designed to protect personnel and property, are

left exposed to tampering.

CONFIG 8






Note: The exhaust fan will operate only when the room set point is above the low limit and below the high

limit.

System Setup 7

Passwords

Level 1>0000 SetPts

Level 2>0000 Config

System Setup 8

Exhaust Fan

Low Limit> 00.0°C

High Limit> 00.0°C


Version 1.0 Page 16

KEY: PROG AND SELECTING THE PROPORTIONAL SETUP


Proportional Set Up screens. On initial start up there is no password protection the passwords are set

in the PARAMETERS group. If no password protection is used the “ENTER PASSWORD” screen

will not be displayed.

Press the ENTER key to move the cursor to the four-digit password. Use the Up or Down Arrow

key to increase or decrease the number. When the correct password is displayed press the ENTER

key to enter the password. If the correct password was entered the corresponding screen will be

displayed. If a wrong password was entered “WRONG PASSWORD” will be displayed on the

bottom line. The password can be re-entered or press the MENU key to return to the System

Status screen.

PROP 1






TYPE is set to either P (PROPORTIONAL) or PI (PROP + INTEGRAL). If PROP + INTEGRAL control is chosen, the user must enter the INTEGRATION TIME> as well. Also, enter the proportional band for control. Proportional + integral control works as follows: When the actual reading is away from the set point for more than the integration time, the proportional signal strength is increased to drive the temperature back to set point.

Control setpoints 1

Bands

Type Int HT CL

Temp>P 000s 00 00C

ENTER PASSWORD

0000

WRONG PASSWORD


Version 1.0 Page 17

PROP 2






Enter the start and end points for the demand, which is based on the temperature set point and proportional band. The Start set point is the minimum proportional signal and the End set point is the maximum proportional signal. As the actual reading moves from the set point within the proportional band the signal will change proportionally to bring the actual reading back to the set point.

PROP 3






TYPE is set to either P (PROPORTIONAL) or PI ( PROP + INTEGRAL). If PROP + INTEGRAL control is chosen, the user must enter the INTEGRATION TIME> as well. Also, enter the proportional band for control. Proportional + integral control works as follows: When the actual reading is away from the set point for more than the integration time, the proportional signal strength is increased to help drive it back to set point.

Control setpoints 2

Ramps Start End

Cooling> 000% 100%

Heating> 000% 000%

Control setpoints 1

Bands

Type Int HU DH

Temp>P 000s 00 00%


Version 1.0 Page 18

PROP 4

Press the ENTER key to move the cursor to the set point data field. Use the Up or Down Arrow key

to increase or decrease the value. When the correct value is displayed press the ENTER key to enter

the set point, the cursor will move to the next data field. Press the ENTER key to move the cursor to

the upper left hand corner and the Up or Down Arrow key to scroll to the next set point screen or

press the MENU key to return to the System Status screen.

SET 4: Enter the start and end points for the demand which is based on the relative humidity set point and proportional band. The Start set point is the minimum proportional signal and the End set point is the maximum proportional signal. As the actual reading moves from the set point within the proportional band the signal will change proportionally to bring the actual reading back to the set point.

KEY: PROG AND SELECTING THE LIGHTS ON/OFF


Lights screens. On initial start up there is no password protection the passwords are set in the

PARAMETERS group. If no password protection is used the “ENTER PASSWORD” screen will not

be displayed.

Press the ENTER key to move the cursor to the four-digit password. Use the Up or Down Arrow

key to increase or decrease the number. When the correct password is displayed press the ENTER

key to enter the password. If the correct password was entered the corresponding screen will be

displayed. If a wrong password was entered “WRONG PASSWORD” will be displayed on the

bottom line. The password can be re-entered or press the MENU key to return to the System

Status screen.

Control setpoints 2

Ramps Start End

Humid> 000% 100%

Dehumid> 000% 000%

ENTER PASSWORD

0000

WRONG PASSWORD


Version 1.0 Page 19

Light 1






Light 2






Light 3






Lighting Control

Disabled

Lights ON Set Points

Stage1> 000%

Stage2> 000%

Stage3> 000%

Lights ON Set Points

Stage4> 000%

Stage5> 000%


Version 1.0 Page 20

KEY: PROG AND FACTORY MENU AND SELECTING THE COOLING SETUP ITEM

To enter the factory Setup Screens press the PROG key then press the ENTER key to move the cursor to the

CONFIG Setup field. Press the MENU key and SET Key SIMULTANEOUSLY. Press the ARROW

DOWN key, and the following screens will appear.

Move the cursor to the desired field; use the ARROW or DOWN key to enter fields.

COOL 1

COOL 1: Minimum ON time is the minimum time a compressor must stay ON (seconds). Minimum OFF time is the minimum time a compressor must stay OFF (seconds).

COOL 2

COOL 2: Time between is the minimum time between compressor 1 ON and compressor 2 ON (seconds). Rotation enables/disables time rotation of the compressors. Rotation time is the length of compressor run time between rotation periods (hours).

COOL 3

COOL 3: When compressor type is set to ONE, the controller will operate only the first stage of cooling. When the compressor type is set to TWO, the controller will operate two compressors. The first compressor will come on based on demand and the second will come on by temperature based on the set point + the band + the stage 2 differential

Factory Setup

COOL On/Off Setup>

HEAT On/Off Setup>

HUMIDITY Setup >

Setup 1

Minimum ON>000s

Minimum OFF>000s

Setup 2

Time between>000s Rotation>OFF

Rotation time>000h

Setup 3

Comp type>One

C2 Fan>Cont.

Switch temp> 00.0C


Version 1.0 Page 21

temperature. When the compressor type is set to HI / LO. The system runs only one compressor at a time and switches between the two units, as the room temperature reaches the Switch Temp set point. When FAN CONT. has been selected the fan will run continuously. If FAN AT DEMAND has been selected, the fan will only operate when it is needed.

COOL 4

COOL 4: Cooling stage 1 offsets. The cooling relay will energize when the room temperature reaches the Set Point + On offset. The cooling relay will de-energize when the room temperature reaches the Set Point + Off offset.

COOL 5

COOL 5: Cooling stage 2 offsets. The cooling 2 relay will energize when the room temperature reaches the Set Point + On offset. The cooling relay will de-energize when the room temperature reaches the Set Point + Off offset.

COOL 6

COOL 6: Defrost is an enable/disable switch for the defrost. The defrost can be set to “Electric” or “Hot Gas”. The compressor is shut down during an “Electric Defrost Cycle”. If no RTC is installed the USE is set to SYS and the defrost cycles will occur on the RUN

TIME and will have to be set up in “CONFIG 4” screen. The thermostat will be using the

duration time as a safety (maximum defrost time). The system will not initiate a defrost cycle above the Set point temperature.

Setup 4 SP: 004.0C Cool Stage 1

On> 0.2C = 004.2C

Off>-0.2C = 003.8C

Setup 5 SP: 004.0C Cool Stage 2

On> 1.0C = 004.2C

Off>0.0C = 003.8C

Setup 6

Defrost>Off Use>SYS

Type> Electric

Set point> 02.0C


Version 1.0 Page 22

COOL 7

COOL 7: DF Cycle is the number of hours between defrosts. DF Duration is the number of minutes allowed for defrost. DF fan delay is the number of minutes for the fan to delay turning back ON after a defrost cycle. In order for this function to be enabled, SYS must be selected on Setup Screen 6. This is the RUN TIME Based Defrost Cycle.

COOL 8

COOL 8: This screen is an enable / disable screen for the above items. Press the ENTER key to move the cursor to the selected OFF position. Press the ARROW UP key to turn the function ON. This will automatically rotate the systems if there are TWO systems.

NOTE: The FORCED ON defrost cycles are typically used for factory testing. These cycles will follow the defrost parameters set on SETUP SCREENS 6 & 7.

COOL 9

Cool 9: Enable/disables the cooling relay and the fan relay.

KEY: PROG AND FACTORY MENU AND SELECTING THE HEAT SETUP ITEMS

HEAT 1

HEAT 1: Door heat is the set point that turns off the door frame heater when the room temperature rises above the set point.

Setup 7

DF Cycle>006hrs

DF Duration>036min

DF Fan delay>002min

Setup 8

Force Rotation>OFF

Force Defrost1>OFF

Force Defrost2>OFF

Setup 9

Cooling 1> Enabled

Cooling 2> Disabled

Heat setup 1

Door heat > 10C


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HEAT 2

HEAT 2: Heating stage 1 offsets. The heat relay will energize when the room temperature reaches the Set Point + On offset. The heat relay will de-energize when the room temperature reaches the Set Point + Off offset.

HEAT 3

HEAT 3: Heating stage 2 offsets. The heat 2 relay will energize when the room temperature reaches the Set Point + On offset. The heat 2 relay will de-energize when the room temperature reaches the Set Point + Off offset.

HEAT 4


HEAT 5


Setup 2 SP 004.0C Heat Stage 1

ON > -0.5 C = 003.5C

OFF > 0.0 C = 004.0C


ON > -2.0 C = 002.0C

OFF > 0.0 C = 004.0C


ON > -3.0 C = 002.0C

OFF > 0.0 C = 004.0C


ON > -4.0 C = 002.0C

OFF > 0.0 C = 004.0C


Version 1.0 Page 24

HEAT 6

Heat 4: Enable/disables the heat relays.

KEY: PROG AND FACTORY MENU AND SELECTING THE HUMIDITY SETUP ITEMS

HUM 1

HUM 1: Humidifier offsets. The humidifier relay will energize when the room relative humidity reaches the Set Point + On offset. The humidifier relay will de-energize when the room relative humidity reaches the Set Point + Off offset.

HUM 2

HUM 2: De-Humidifier offsets. The de-humidifier relay will energize when the room humidity reaches the Set Point + On offset. The de-humidifier relay will de-energize when the room relative humidity reaches the Set Point + Off offset.

HUM 3

Hum 3: Enable/disables the humidifier and dehumidifier.

Setup 6

Heating 1>Disabled

Heating 2>Disabled

Setup 1 SP 050.0% Humidifier

ON > -5.0% = 045.0%

OFF > 0.0% = 050.0%

Setup 2 SP 050.0% Dehumidifier

ON > 5.0% = 055.0%

OFF > 0.0% = 050.0%

Setup 3

Dehumidifier

Humidifier>Enabled

Humidifier>Enabled


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HUM 4

HUM 4: Enable Temp. is the set point that the room temperature must be above to enable the humidifier and de-humidifier. Sensor Type defaults to 0-1Vdc. NOTE: If the sensor type is changed to 4-20mA jumper 14 on the control board must be repositioned (see Figure 5 on page 36).

KEY: AUXILIARY 1

Digital I/O SET-UP

DIGITAL INPUTS >

DIGITAL OUTPUTS >

This screen allows access to the Digital Inputs. Please consult the factory to change the Digital Outputs.

NOTE: The following digital inputs provide the user with the ability to monitor the system for alarm conditions as listed below. Additional components may have to be added to monitor the system for alarm conditions.

DIGITAL 1

Digital Inputs pg. 1

Active if Input

1.OFF >open close

2.OFF >open close

DIGITAL 1: This screen activates the first two digital inputs and the state the alarm will be active for the input. The screen also displays the current state of the input. 1. The first digital input is the C1 AL or the compressor 1 alarm if this input is not

activated it will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

2. The second digital input is the AIRFL1 or the air flow 1 alarm if this input is not

activated it will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

DIGITAL 2


Active if Input

3.OFF >open close

4.OFF >open close

DIGITAL 2: This screen activates the 3rd & 4thdigital inputs and the state the alarm will be active for the input. The screen also displays the current state of the input.

Setup 4

Enable Temp. > 02C


Version 1.0 Page 26

3. The third digital input is the C2 AL or the compressor 2 alarm if this input is not activated it will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

4. The fourth digital input is the AIRFL2 or the air flow 2 alarm if this input is not activated

it will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

DIGITAL 3


Active if Input

5.OFF >open close

6.OFF >open close

DIGITAL 2: This screen activates the 5th & 6th digital inputs and the state the alarm will be active for the input. The screen also displays the current state of the input. 5. The fifth digital input is the DOOR or the door ajar alarm if this input is not activated it

will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

6. The sixth digital input is the water alarm if this input is not activated it will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

DIGITAL 4


Active if Input

7.OFF >open close

8.OFF >open close

DIGITAL 4: This screen activates the 7th & 8th digital inputs and the state the alarm will be active for the input. The screen also displays the current state of the input. 7. The seventh digital input is the SMOKE alarm if this input is not activated it will display

OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.

8. The eighth digital input is the HUM AL or the humidity alarm if this input is not activated it will display OFF. The input can be set for a “NORMALLY OPEN” or “NORMALLY

CLOSED” input device.

DIGITAL 5


Active if Input

9.OFF >open close

DIGITAL 5: This screen activates the 9th digital inputs and the state the alarm will be active for the input. The screen also displays the current state of the input. 9. The ninth digital input is the DRAIN alarm if this input is not activated it will display OFF.

The input can be set for a “NORMALLY OPEN” or “NORMALLY CLOSED” input device.


Version 1.0 Page 27

KEY: AUXILIARY 2

Pressing the Auxiliary 2 key will display the following screens:

ANALOG 1

Sensor setup 1

AIR TEMPERATURE

CALIBRATION> 00.0C

ACTUAL >000.0C

ANALOG 1: The SENSOR screen provides offsets for sensor calibration. Enter the desired offset. The ACTUAL display shows the current sensor reading.

ANALOG 2

Sensor setup 2

PRODUCT TEMP

CALIBRATION> 00.0C

ACTUAL >000.0C

ANALOG 2: The SENSOR screen provides offsets for sensor calibration. Enter the desired offset. The ACTUAL display shows the current sensor reading. ANALOG 3

Sensor setup 3

PRODUCT 2 TEMP

CALIBRATION> 00.0C

ACTUAL >000.0C

ANALOG 3: The SENSOR screen provides offsets for sensor calibration. Enter the desired offset. The ACTUAL display shows the current sensor reading.

ANALOG 4

Sensor setup 4

ROOM HUMIDITY

CALIBRATION> 00.0%RH

ACTUAL> 000.0%RH

ANALOG 4: The SENSOR screen provides offsets for sensor calibration. Enter the desired offset. The ACTUAL display shows the current sensor reading. This screen will only be active if RH control has been selected.


Version 1.0 Page 28

KEY: I/O

Pressing the I/O key will display the following screens: NOTE: The following screens and parameters are for MANUAL testing of the devices listed.

MAN 1

Manual control 1

MODE POS

Fan 1>AUTO >OFF

Defrost 1>AUTO >OFF

MAN 1: This screen is used for testing each device manually. Set the MODE type as HAND, (manual position) and then the POS will indicate the desired position of the device.

MAN 2 Manual control 2

MODE POS

Cool 1>AUTO >OFF

Heat 1>AUTO >OFF

MAN 2: This screen is used for testing each device manually. Set the MODE type as

HAND, (manual position) and then the POS will indicate the desired position of the

device.


MODE POS

Humid 1>AUTO >OFF

Dehumid 1>AUTO >OFF



MODE POS

Fan 2>AUTO >OFF

Defrost 2>AUTO >OFF

MAN 4: This screen is used for testing each device manually. Set the MODE type as HAND, (manual position) and then the POS will indicate the desired position of the device. NOTE: This screen will only be present when COOL 1 or HEAT 1 is enabled.


MODE POS

T Valve 1>AUTO >000%

T Valve 2>AUTO >000%



Version 1.0 Page 29


MODE POS

Lights >AUTO >000%

MAN 6: This screen is used for testing each device manually. Set the MODE type as HAND, (manual position) and then the POS will indicate the desired position of the device. NOTE: The lights will only be enabled when an expansion board is connected to the network.


MODE POS

Lights 1>AUTO >000%

Lights 2>AUTO >000%

MAN 7: This screen is used for testing each device manually. Set the MODE type as HAND, (manual position) and then the POS will indicate the desired position of the device. NOTE: The lights screen will only be enabled when an expansion board is connected to the network.


MODE POS

Lights 3>AUTO >000%

Lights 4>AUTO >000%



MODE POS

Lights 5>AUTO >000%

Lights 6>AUTO >000%



MODE POS

Lights 7>AUTO >000%

Lights 8>AUTO >000%



Version 1.0 Page 30


MODE POS

Lights 7>AUTO >000%

Lights 8>AUTO >000%


KEY: MAINT

Pressing the maintenance key will display the following screens:

MAINT1 Run hours

Fan 1: 00000hr

Comp 1: 00000hr

Defrost 1: 00000hr

MAINT 1: Displays the total run hours for the fan, compressor 1 and defrost 1 that are connected to relay outputs (0-32767hours). The total run hours can be reset to 0 by entering the field and pressing the SET key. There will be a duplicate screen displayed if two systems have been enabled.

MAINT2 Run hours

Fan 2: 00000hr

Comp 2: 00000hr

Defrost 2: 00000hr

MAINT 2: Displays the total run hours for the fan, compressor 2 and defrost 2 that are connected to relay outputs (0-32767hours). The total run hours can be reset to 0 by entering the field and pressing the SET key. There will be a duplicate screen displayed if two systems have been enabled.

MAINT 3

Run hours

Humidifier: 00000hr

Dehumidifier: 00000hr

MAINT 3: Displays the total run hours for compressor 1 that is connected to relay output 5 (0-32767hours). The total run hours can be reset back to 0 by entering the field and pressing the SET key.


Version 1.0 Page 31

MAINT 4

Run hours D06

T Valve: 00000hr

T Valve: 00000hr

MAINT 4: Displays the total run hours for the heat 1 unit that is connected to relay output 6 (0-32767hours). The total run hours can be reset back to 0 by entering the field and pressing the SET key.

ALARMS

During normal operation, should an alarm occur, the ALARM button will glow red and an audible buzzer will sound

to indicate the presence of the alarm. Pressing the ALARM button once will silence the buzzer. Pressing it again will

bring up the first alarm screen. Successive presses of the ALARM button will bring up each alarm screen in sequence

until the final screen indicating “NO MORE ALARMS”. Pressing the ALARM button on the final screen then returns

you to the screen that was being displayed when the alarm sounded. Most alarms are self-explanatory. The air

temperature alarm provides an early warning of temperature variations beyond the user set limits, this can occur if the

door is left open too long, to silence this alarm close the door and depress the ALARM button which will delay the air

alarms and allow the room temperature to come back into its proper range. The product temperature alarm will shut

the system down on the CP7 and CP8 for safety reasons. The control panel will remain active. To reset the

product temperature alarm, set the high or low product temperature alarm set points above or below the

Product temperature. Once the system resumes its normal operation, set the product temperature alarm set

points back to the users original settings.

LIST OF POSSIBLE ALARMS

** ALARM **

00/00 00:00

EEPROM FAILURE

Consult Factory

** ALARM **

00/00 00:00

AIR Flow LOSS 1

Check Blower, Belts

** ALARM **

00/00 00:00

AIR Flow LOSS 2

Check Blower, Belts

** ALARM **

00/00 00:00

ROOM TEMP HIGH ALARM

Ck Cooling, Rm Load

** ALARM **

00/00 00:00

ROOM TEMP LOW ALARM

Ck Reheat, Rm Load


Version 1.0 Page 32

** ALARM **

00/00 00:00

PRODUCT TEMPERATURE

HIGH ALARM

** ALARM **

00/00 00:00

PRODUCT TEMPERATURE

LOW ALARM

** ALARM **

00/00 00:00

ROOM HUMIDITY

HIGH ALARM

** ALARM **

00/00 00:00

ROOM HUMIDITY

LOW ALARM

** ALARM **

00/00 00:00

COMPRESSOR 1

HIGH/LOW PRESSURE

** ALARM **

00/00 00:00

COMPRESSOR 2

HIGH/LOW PRESSURE

** ALARM **

00/00 00:00

HI-LIMIT HUMIDISTAT

WATCH PERSONNAL SFTY

** ALARM **

00/00 00:00

DRAIN PAN ALARM

** ALARM **

00/00 00:00

DOOR AJAR ALARM

Close door

** ALARM **

00/00 00:00

SMOKE DETECTION

SYSTEM OFF

** ALARM **

00/00 00:00

ROOM TEMPERATURE

SENSOR FAILURE


Version 1.0 Page 33

** ALARM **

00/00 00:00

PRODUCT TEMPERATURE

SENSOR ALARM

** ALARM **

00/00 00:00

RETURN HUMIDITY

SENSOR FAILURE

** ALARM **

00/00 00:00

POWER RESTART

NO MORE ALARMS

Key ENTER to CLEAR

Key UP/Down to VIEW


Version 1.0 Page 34

MOUNTING THE CONTROL PANEL

There are two ¼” diameter holes found 26” above the keyholes in the back wall of the control panel enclosure. These holes make a built in template.

1. Select the approximate location of the control panel. Stand the control panel on the floor, against the wall of the walk-in cooler. Move the control panel to the left or right until it is in the desired horizontal position.

2. Find the highest two holes in the upper rear of the control panel enclosure. Mark the location of these two holes on the walk-in panel. This will locate the screw location for the keyhole slots.

3. Move the control panel aside. Screw the provided screws into the walk-in panel, stopping approximately 1/8” short of being tight.

4. Lift the control panel up so that the screw heads slide into the keyhole slots. This will locate the control panel 26” off the floor and hold it there while the other four screws are installed.

5. Make sure the control panel is level. Install two screws into the top template holes and two in the bottom holes of the control panel enclosure.

TEMPLATE HOLE

KEY

HOLE

SLOT


Version 1.0 Page 35

Figure 1

1. power supply connector [G (+), G0 (-)]

2. 250Vac, 2A fuse, slow-blow (T2 A)

3. universal analogue inputs, NTC, 0/1V, 0/5 V, 0/20mA, 4/20mA

4. passive analogue inputs, NTC and ON/OFF

5. passive analogue inputs, NTC

6. yellow power LED and 3 signal LEDs

7. 0/10V analogue outputs and PWM phase-cutting outputs

8. digital inputs, 24Vac/Vdc

9. digital inputs, 230Vac or 24Vac/Vdc

10. connector with Vref for power to 5V ratiometric probes,

and Vterm for power to ARIA terminal

11. connector for all the standard pCO* series terminals and for

downloading the application software

12. pLAN local network connector

13. connector for the programming key

14. digital relay outputs

15. door for selecting the type of analogue inputs

16. door for inserting the serial card:

- RS485 for supervisor

- RS232 for modem interface

- Gateway (protocol converter)

17. door for inserting the clock card


Version 1.0 Page 36

INSTALLATION

Anchoring the Control The controller should be installed on a DIN rail. To fasten the unit, press it lightly against the rail. The rear tabs will click into place, locking the unit to the rail. Removing the unit is just as simple, using a screwdriver through the release slot to lever and lift the tabs. The tabs are kept in the locked position by springs.

Power supply The controller can be powered at: 22/38Vdc and 24Vac ±15%, 50/60 Hz, with a maximum power input Pmax= 13W. For alternating current power supplies, during installation use a Class II safety transformer, rated to at least 40VA and with a 24Vac output. To supply more than one controller with the same transformer, its rated power must be n x 40VA, where n is the number of controllers supplied by the transformer, independently of the version of the controller. The power supply to the controller/controllers and the terminal/terminals must be separated from the power supply to the other electrical devices (power contactors and other electromechanical components), inside the electrical panel. If the transformer secondary is earthed, make sure that the ground wire is connected to terminal G0.When powering a series of boards connected in a plan network, make sure that the G and G0 connections are correct (G0 must be same for all the boards). The table below summarises the possible status of the power LED.


Version 1.0 Page 37

Installation warnings - destination and connection environments Avoid installing the boards in environments with the following characteristics: • relative humidity over 90%; • strong vibrations or bumps; • exposure to continuous jets of water; • exposure to aggressive and polluting environments (e.g.: sulphuric and ammoniac gases, saline mists, fumes) with consequent corrosion and/or oxidation; • high levels of magnetic and/or radio-frequency interference (thus avoid installing the unit near transmitting antennae); • exposure to direct sunlight and the elements in general; • wide and rapid fluctuations in ambient temperature; • environments where explosives or flammable gases are present; • exposure to dust (formation of corrosive patina with possible oxidation and reduction of insulation) The following warnings must be respected for correct connection: • power supply different from that specified can seriously damage the system; • use cable plugs suitable for the terminals being used. Loosen each screw and insert the cable plug, then tighten the screws. At the end of the operation lightly tug the cables to check that they are tight; • separate as much as possible the probe signal and digital input cables from the inductive load and power cables, to avoid possible electromagnetic disturbance. Never use the same channelling (including that used for the electrical cables) for the power cables and probe cables. Avoid the probe cables being installed in the immediate vicinity of power devices (contactors, circuit breakers or the like); • reduce the length of the sensor cables where possible and avoid spiralling around power devices. The probe connection must be made using shielded cables (minimum cross section for each lead: 0.5 mm2); • avoid touching or nearly-touching the electronic components on the boards, to avoid (extremely dangerous) electrostatic discharges from the user to the components; • if the power supply transformer secondary is earthed, check that the ground wire corresponds to the lead connected to terminal G0 in the controller; • separate the power supply to the digital outputs from the power supply to the controller; • do not fasten the cables to the terminals by pressing the screwdriver with excessive force, to avoid damaging the control.

4.4 Connecting the analogue inputs

The analogue inputs can be configured for the more common sensors on the market: NTC, 0/1V, 0/10V, 0/20mA, 4/20mA. The different types of sensors can be selected using the corresponding dipswitches, as in the following figure. WARNING: for the power supply to the active probes, the 24Vdc available at the +VDC terminal can be used; the maximum current is 100mA, thermally protected against short-circuits.


Version 1.0 Page 38


Version 1.0 Page 39

Connecting the digital inputs 24Vac digital inputs The following figure represents one of the more common connection diagrams for the 24Vac digital inputs.

WARNING: separate the probe signal and digital input cables as much as possible from the inductive load and power cables, to avoid possible electromagnetic disturbance

230Vac digital inputs The following figure represents one of the more common connection diagrams for the 115/230Vac digital inputs. Within each group, the digital inputs are not independent: for example, with reference to Fig. 4.5.3.1, the inputs ID13 and ID14, due to the common terminal, must be powered at the same voltage to avoid dangerous short-circuits and/or the powering of lower-voltage circuits at 115/230Vac.


Version 1.0 Page 40

Connecting the 0/10Vdc analogue outputs The control provides up to two 0/10V optically-isolated analogue outputs, powered externally at 24Vac/Vdc. The following figure shows the electrical connection diagram; the 0V (zero) of the power supply is also the reference for the output voltage.

Connecting the digital outputs The controller features up to 13 digital outputs with electromechanical relays. For ease of installation, the common terminals of some of the relays have been grouped together. If the following diagram is used, the current at the common terminals must not exceed the rating (nominal current) of a single terminal. The relays are divided into groups, according to the degree of insulation. Inside each group, the relays have just single insulation and thus must have the same voltage (generally 24Vac or 115/230Vac). Between the groups there is double insulation and thus the groups can have different voltages.


Version 1.0 Page 41

Installing the user terminal The connection between the user terminal and the controller is made using a 6-way telephone cable supplied by Nor-Lake. To make the connection, simply insert the telephone connector in terminal J10 on the controller and in terminal B on the user terminal. Insert the connector fully into in the terminal until it clicks into place. To remove the connector, simply press lightly on the plastic flap and remove the cable. The controller can also work without the terminal; do not disconnect and then reconnect the terminal to the controller without first having waited around 5 seconds (if the operation is performed with the unit on).

TECHNICAL SPECIFICATIONS OF THE NOR-LAKE CONTROLLER General characteristics

Storage conditions –20 TO 70°C; 90% rH non-condensing

Operating conditions –10 TO 60°C; 90% rH non-condensing

Index of protection IP20, IP40 front panel only

Environmental pollution normal

Classification according to protection against electric shock

to be incorporated in Class I and/or II appliances

PTI of the insulating materials 250V

Period of electric stress across insulating parts Long

Type of relay action 1C

Type of disconnection or microswitching microswitching

Category of resistance to heat and fire category D (UL94 - V0)

Immunity against voltage surges category 1

Ageing specifications (operating hours) 80,000

Number of automatic operating cycles (excluding relays) 100,000

Software class and structure Class A

In compliance with the limits set by the safety standards on electromagnetic compatibility, as listed in the declaration of conformity (see installation manual), the only sporadic malfunctions which may arise involve the indications on the display and the LEDs, which are automatically reset when the disturbance ceases.

Warning: for applications subject to strong vibrations (1.5mm pk-pk 10/55 Hz), clamps should be used to fasten the cables connected to the controller, around 3cm from the connectors.

Electrical specifications

Power supply (controller with terminal connected) 22/38Vdc and 24Vac ±15% 50/60 Hz. Maximum input: 13W

Terminal block with male/female removable connectors; maximum voltage: 250Vac; cable c.sect. (mm2): min 0.5 - max 2.5

CPU H8S2320 14MHz, 16 bit

Program memory (FLASH) 1 Mbyte at 16 bit (expandable to 4 Mbyte)

Data memory (static RAM) 128 Kbyte at 16 bit (expandable to 512 Kbyte)

Parameter memory 4 Kbyte at 16 bit (maximum limit: 400,000 writes per memory location)


Working cycle of the control with applications of average complexity (s)

0.5 (typical)


Version 1.0 Page 42

Analog inputs

Analogue conversion 10-bit A/D converter embedded in CPU

Maximum number 6, 8 on the SMALL, MEDIUM boards respectively

Type • universal: NTC temperature sensor (-50/90°C; R/T 10 k. ± 1% at 25°C, B25/80=3.435°K ± 1%), voltage: 0/1Vdc or 0/5Vdc, current: 0/20mA or 4/20mA, can be selected via dipswitches (inputs B1, B2, B3, B4). • passive: NTC temperature sensor (-50/90°C; R/T 10 k. ± 1% at 25°C, B25/80=3.435°K ± 1%) (inputs: B5, B6, B7, B8) or free digital input, can be selected via dipswitches (inputs: B5, B6); For all the types of input the measurement method is by step.

Analogue input settling time (s) 2

NTC input precision (°C) ± 0.5

0/1V input precision (mV) ± 3

0/5V input precision (mV) ± 15

0/20mA input precision (mA) ± 0.06

Minimum normally-open free digital input detection time (open-closed-open or closed-open-closed) in DC - analogue input B5, B6 (ms)

250 (this value needs to be added to the processing time of the application software)

WARNING: for the power supply of any active probes, 24Vdc available at the +Vdc terminal can be used; the maximum

current is 100mA, protected against short-circuits. The resistance of the current input is 100Ω.

Digital inputs

Type optically-isolated inputs, 24Vac 50/60 Hz or 24Vdc, or 230Vac 50/60 Hz. For the 230Vac inputs the insulation is primary. If the input is in DC the common pole (IDC1, IDC9 and IDC13) is the negative.

Maximum no. 8, 14, on the: SMALL, MEDIUM boards respectively, according to the combinations shown below:

Board size no. optically-isolated inputs at 24Vac 50/60 Hz or 24Vdc

no. optically-isolated inputs at 24Vac/Vdc or 115/230Vac 50/60 Hz

SMALL 8 none

MEDIUM 2 8 + 4 2

minimum normally-open digital input detection time (open-closed-open) in AC and DC (ms)

200

minimum normally-closed digital input detection time (closed-open-closed) in AC and DC (ms)

400

WARNINGS for the digital inputs at 230Vac: 50/60 Hz +10% -15%;


Version 1.0 Page 43

Analog outputs

Maximum number and type 2 x 0/10Vdc optically-isolated outputs (Y1, Y2), and 2 PWM phase cutting outputs (Y3, Y4), with 5V impulse of programmable duration

Power supply external 24Vac/Vdc

Precision 1%

Resolution 0.5 %

Analogue outputs Y1 and Y2 settling time (s) 2

Maximum load 1 kW (10mA) for 0/10V and 470. (10mA) for PWM

Digital outputs

maximum no. 8, 13 on the SMALL, MEDIUM boards respectively

type electromechanical relays

Groups 1, 2, 3, 4, 5, 6, 7, 8 (alarm relay) 9, 10, 11, 12, 13

NO Contacts all with 250Vac varistor protection

Changeover contacts 3 with 250Vac varistor protection on both contacts

Commutable power and related electrical parameters 2000VA, 250Vac, 8A resistive, 2A FLA, 12A LRA, according to UL873 (30,000 cycles) 2A resistive, 2A inductive, cos.=0.4, 2(2) A, according to EN 60730-1 (100,000 cycles)

SSR outputs 2 in alternative to relays 7 and 8 (SMALL), 4 in alternative to relays 7, 8, 12 and 13 (MEDIUM); 24Vac/Vdc, Pmax= 10W

Connection to the user terminal

type asynchronous half duplex, 2 dedicated wires

terminal connector 6 way telephone plug

pLAN connector removable 3 way connector

driver CMR 7 V balanced differential (RS485)

Controller plastic case

Can be mounted on DIN rail according to DIN 43880 and EN 50022 standards

Material: technopolymer

Self-extinguishing V0 (according to UL94) and 960°C (according to IEC 695)

Marble test: 125°C

Resistance to creeping current: = 250V

Colour: grey RAL7035

Cooling vent


Version 1.0 Page 44

TECHNICAL SPECIFICATIONS OF THE NOR-LAKE TERMINAL General characteristics: Plastic case

Material polyamide 66 with 25% fibreglass

Self-extinguishing UL94 V0, UL approved

Color RAL 7032 (grey/beige)

Continuous operating temperature 115°C for 20,000 h (IEC216)

Display protection

Material rigid transparent polycarbonate (from sheet)

Category of resistance to heat and fire self-extinguishing UL94 V2- Category D

Operating temperature -30T70 (-30/70°C, -22/158°F)

Processing silk screening on rear and double-sided adhesive on edge (for attaching to plastic case)

Terminal electrical specifications

Power supply 21/30Vdc (from the power board via telephone cable)

CPU 80C52 - 8MHz

Operating conditions 0T50 (0/50°C, 32/122°F) 90% rH non-condensing

Storage conditions -20T70 (-20/70°C, -4/158°F) 90% rH non-condensing

Index of protection IP55 front panel for panel installation

Environmental pollution Normal

Classification according to protection against electric shock

to be incorporated in Class I and/or II appliances

PTI of the insulating materials 250V


Category of resistance to heat and fire category D

Immunity against voltage surges category I

NTC sensors

°C Kohm °C Kohm °C Kohm

-20 67.71 0 27.28 20 12.09

-15 53.39 5 22.05 25 10.00

-10 42.25 17 17.96 30 8.31

-5 33.89 15 14.68 35 6.94


Version 1.0 Page 45

REPLACEMENT PARTS

List of purchase codes of each single component.

Terminal unit

With keypad and LCD P/N 105607

Main board

Small Board P/N 113403

Small Board Connectors P/N 113404

Medium Board P/N 113405

Medium Board Connectors P/N 113406

Connection lead Connection lead terminal unit/main board, L=0.8m P/N 105023

Connection lead terminal unit/main board, L=1.5m P/N 089923

Optional boards Real time clock board P/N 113408

Real time clock board with 1Mbyte flash expansion P/N 113465


Version 1.0 Page 46

Ramp and Soak Worksheet

Program # Daily/Weekly Time Temp. Humidity Lights Ramp/Hold

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

Documents

NOR-LAKE SCIENTIFIC CP7, CP8 SERIES PROGRAMMABLE C...CP6, CP7, or CP8: Series Programmable Controller Version 1.0 Page 2 ABOUT THE CP6, CP7, AND CP8 The CP6, CP7, and CP8 are a new