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SIMATIC S7-300The universal PLC

Product Brief September 2001

SIMATICController

SIMATIC S7-300: the universalgenius for automation engineering

The SIMATICS7-300is the universalPLC for a wide range of applications inautomation engineering - with theemphasis on production engineering.Its modular construction without fans,simple implementation of distributedstructures and user-friendly operationmake the SIMATIC S7-300 an econom-ical, sensible solution for a wide rangeof automation functions in the followingindustries:

Production engineering Automobile industry General machine construction Specialist machine construction Mass production machinery (all

types of production machinery),OEM

Plastics processing Packaging industry Food and beverages industry Process engineering (e.g. water sup-

ply and disposal, buildings services,etc.)

The outstanding features of the S7-300are as follows:

high processing speeds for shortcycle times

powerful instruction set for complexfunctions

compact design for use in confinedspaces

packaging density of modules graded CPU range, wide selection of

function blocks and comprehensiverange of I/O modules

100 % maintenance free Certified outdoor version for extremeclimatic conditions (see SIMATICOutdoor flyer)

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General characteristics

Design

The S7-300 is made up of a number ofcompact modular components withsmall dimensions which can be put to-gether in any combination. This meansthe controller can be designed to fit theapplication exactly.

Apart from the modules, all you need isa DIN rail to which the modules arefitted and screwed on. This ensures arobust construction which is electro-magnetically compatible.

The backplane bus is integrated intothe modules and is set up by insertingthe bus connector. Up to 8 modulescan be put together in a row (centralcontroller / expansion unit).

Range of CPUs

There are various CPUs of differentperformance levels available for use inthe controller. From extensive basicfunctions (command execution, I/Oaccess, communication via MPI andCP modules) through integrated tech-

nology functions and I/O modules tocomprehensive communications op-tions - there is always a CPU availableto suit your needs.

Instruction set

The instruction set of the S7-300includes more than 350 instructions,including the usual STEP 5 andTISOFT operations. Additional func-tions save time and user memory, e.g.binary processing and 32 bit floatingpoint arithmetic. All the instructions canbe used in all blocks (FCs, FBs, OBs).

Integrated system functions enable, forexample, the processing of interruptsand diagnostics messages. They alsosave a lot of RAM space as they areintegrated in the operating system.

Examples

Both examples show new, high-perfor-mance commands which make pro-gramming easier and more efficient.

Example 1: Edge evaluation

The command sequence for edge eval-uation has been combined into a singlefunction for the purpose of simplicity(the example shows a positive edge).

STEP 5 STEP 7

A I 4.0 A I 4.0AN F 10.0 FP M 10.0

S F 10.0 = M 10.1= F 10.1AN I 4.0R F 10.0

Example 2: indirect addressing

A simple solution has also been foundto indirect addressing: nearly every in-struction can be addressed indirectlyand integrated clearly into the pro-gram; e.g. opening a data block:

STEP 5 STEP 7

DO FW 10 OPN DB [MW10]

C DB 0Two data blocks can be opened at thesame time. All the operands within datablocks can be symbolically accessed.

Fig. 1: Design of the S7-300

CPU Integrated I/O Integratedtechnologicalfunctions

Integratedinterfaces(in addition toMPI)

CPU 312 IFM digital counting

CPU 312C digital counting

CPU 313

CPU 313C digital, analog counting

CPU 313C-2 PtP digital counting PtP

CPU 313C-2 DP digital counting DP

CPU 314

CPU 314 IFM digital, analog counting, positioning

CPU 314C-2 PtP digital, analog counting, positioning PtP

CPU 314C-2 DP digital, analog counting, positioning DP

CPU 315

CPU 315-2DP DP

CPU 316-2DP DP

CPU 318-2DP DP

Central controller Sectional railModule

Bus connector

PS(optional)

CPU IM(optional forexpansions)

SM SM SM SM SMSM

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Programming

The S7-300 is programmed using thebasic STEP 7 or STEP 7 Lite software.This allows the full functionality of theS7-300 to be used simply and easily.Both versions incorporate functions forevery phase of an automation project,from implementation to start-up, testingand servicing.

STEP 7 Lite

STEP 7 Lite is a cost-effective software

solution for implementing stand-aloneapplications using SIMATIC S7-300.STEP 7 Lite is characterized by thespeed at which you can start program-ming and by the simplicity of theproject handling.

It is not compatible with supplementarySIMATIC software packages, e.g.Engineering Tools. Programs written inSTEP 7 Lite can also be processedusing STEP 7.

STEP 7

STEP 7 is used for the implementationof relatively large or complex applica-

tions, where, for example, higher levellanguages or graphical design lan-guages (see Engineering Tools) areused for programming or function orcommunication modules are required.

STEP 7 is compatible with additionalSIMATIC software packages, e.g.Engineering Tools.

Engineering Tools

Engineering Tools provide additionaloptions for programming automationsolutions on a simple, function-orientedbasis. The following tools are availablefor programming:

S7-SCL

(Structured Control Language),a higher-level language based onPASCAL for the programming ofSIMATIC S7/C7 controllers

S7-GRAPH

for graphical configuration of sequen-tial controls for SIMATIC S7/C7

S7-HiGraph

for the graphical description of sequen-tial or asynchronous processes withstatus diagrams for SIMATIC S7/C7

CFC

(for the graphical description ofsequential or asynchronous processeswith status diagrams for SIMATICS7/C7

The use of the Engineering Tools isespecially beneficial for relatively large,complex applications. The CPU used inthe S7-300 requires more Main memoryin this case.

CPUs/Engineering Tools:

All CPUs can be programmed in thebasic languages STL, LAD and FBD.

If the S7-SCL higher level languageis to be used, we recommend usinga CPU 314 or higher.

If one of the graphical design lan-guages (S7-GRAPH, S7-HiGraph orCFC) is used, we recommend usinga CPU 315 or higher.

Fig. 2: Functionality of STEP 7 and STEP 7 Lite

Programming:Statement list (STL),Ladder diagram (LAD),Function block diagr. (FBD)

Hardware configuration

SIMATIC ManagerProgramming:Statement list (STL),Ladder diagram (LAD),Function block diagram (FBD

Hardware configuration

Parameter assignmentFunction modulesCommunications modules

Communicationbetween CPUs

Use of Engineering Tools(higher level languagesgraphical languagessimulationprocess diagnostics)

Fig. 3: Memory required for Engineering Tools

Memory required

Productivity

Use of EngineeringToolssimulation

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Communications

Totally Integrated Automation

Totally Integrated Automation meansyou can use a single, completely inte-grated system for all your automationtasks! All the functions in a uniformenvironment.

Shifting intelligence into I/O systems-distributed intelligence - enables newdesigns in modular plant and machineconstruction with all the usual benefits,such as reusability of the software, fast-er start-up and increased availability.

Communications networks are animportant module within the system:

Industrial Ethernet(IEEE 802-3 and802.3u) the international standard for area andcell networking.

PROFIBUS(IEC 61158/EN 50170) the international standard for cells andfields.

AS-Interface(EN 50295) the international standard for communi-cation with sensors and actuators.

EIB(EN 50090, ANSI EIA 776) the global standard building installationsystem and basis for building automa-tion.

MPIMulti-Point-Interfacefor communication between CPUs,PG/PC and TD/OP.

Point to point connectionfor communication between two nodeswith special protocols. The point-to-point link represents the simplest formof communication. Various specialprotocols can be used (e.g. RK 512,3964(R) and ASCII).

Process or field communication

Process or field communication servesto connect actors / sensors to a CPU.The connection can be via interfacesintegrated on the CPU or via interfacemodules (IMs), function modules(FMs), communications modules(CPs).

Process or field communication issupported by the AS-Interface andPROFIBUS-DP networks.

Data communication

Data communication is used for data

transfer between programmable con-trollers or between a programmablecontroller and intelligent devices (PCs,computers, etc.).

Data communication is handled viaMPI, PROFIBUS or Industrial Ethernet.

PC OS

OSS7-400S7-300

S7-300 Scanner

Network

Link Link ET 200

Fire alarm Sensor

Fig. 4: Connection options via the integrated interfaces of the SIMATIC S7-300

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CPUs - Characteristics

Integated interfaces

Interfaces integrated directly into theCPUs enable the set-up of a high-per-formance communication environmentusing conventional bus technology.

Multi-point interface MPI

MPI is the affordable solution for com-munications with PG/PC, HMIsys-tems and other SIMATIC S7/C7/WinACautomation systems. A maximum of

125 MPI nodes with 187.5 kbit/s can beconnected:

transfer of process data among vari-ous controllers, which means that, forexample, a CPU can access theinputs/outputs of another controller

Operator control and monitoring;HMI services are already integratedinto the S7-300 operating system andtransfer data to connected SIMATICoperator panels or operator stationswithout the need for any program-ming

The MPI can also be used as a

PROFIBUS-DP interface, which allowsthe use of two DP lines (for CPU318-2DP only).

PROFIBUS-DP

The SIMATIC S7-300 can be connect-ed to the open fieldbus PROFIBUS-DP(in accordance with EN 50170) toenable relatively large distributedstructures to be set up on an economi-cal basis. This opens up communica-tion to a wide range of partners, fromthe SIMATIC controller to third-partyfield devices. Communication withexisting SIMATIC S5 or SIMATIC 505

systems creates no problems.The distributed I/O modules are config-ured using STEP 7 in the same way asthe centralized I/O modules, whichsaves engineering time and money.

The S7-300 can therefore be used as amaster or a slave.

Shared functions

Operator control and monitoring func-tions and PG functions are possiblethrough both interfaces (MPI, DP), e.g.programming using programming de-vice/PC over relatively large distances.A programming device can also oper-ate several CPUs or a number of pro-gramming devices can access a singleCPU.

There is also a routing function whichenables a programming device con-nected to any point in the network toaccess all the nodes on this network.

More complex functions can beimplemented using communicationsmodules.

2ndserial interface

An additional serial port enables pointto point (PtP) connection of all kinds ofperipheral devices, e.g. scanners,weighing systems. This RS 422/485 in-terface enables a baud rate of up to38.4 kbit/s and has ASCII, 3964(R) and

RK 512 protocol drivers.

Integrated peripherals andtechnological functions

Depending on their type, the CPUsincorporate digital or analog inputs andoutputs and special inputs for countingand measurement with pulse genera-tors or incremental transmitters. Someof the CPUs also have an integratedfunction for controlled positioning withspecial outputs.

Memory functionsThe SIMATIC Memory Cards or MicroMemory Cards (MMC Flash EPROM)can be used to extend the loadmemory or as a simple way of installinga program update.

In the modular CPUs, the data is buff-ered by means of a battery; in the newcompact CPUs, the data is automati-cally buffered by the MMC, and nomaintenance is required.

Fig. 5: Connection options via the integrated interfaces of the S7-300 CPUs

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CPUs - Technical Specifications

CPU 312C CPU 313C CPU 313C-2 PtP

Main memory (applications) 16 Kbyte/4 K instructions 32 Kbyte/10K instructions 32 Kbyte/10 K instructions

Backup: using MMC all modules all modules all modules

Number of modules 64 FCs, 64 FBs, 63 DBs 128 FCs, 128 FBs, 127 DBs 128 FCs, 128 FBs, 127 DBs

Program processing free cycle (OB 1)real-time controlled (OB 10)delay alarm (OB20)time-triggered (OB 35)interrupt-triggered (OB 40)restart(OB100, 102)async. error (OB80..82,85,87)sync. error (OB121, 122)

free cycle (OB 1)real-time controlled (OB 10)delay alarm (OB20)time-triggered (OB 35)interrupt-triggered (OB 40)restart(OB100, 102)async. error (OB80..82,85,87)sync. error (OB121, 122)


Processing times Bit operations Word operations

0.2 s to 0.4 s

1 s

0.1 s to 0.2 s

0.5 s

0.1 s to 0.2 s

0.5 s

Bit memories/ times/ counters

Bit memories timers / S7 counters IEC timers / IEC counters

1024

128/128

yes

2048

256/256

yes

2048

256/256

yes

Number of modules per system 8 31 31

Number of CCs/EUs 1/0 1/3 1/3

Address ranges Total I/O address range I/O process image Total digital channels Total analog channel

1024/1024 byte

128/128 byte

max. 256

max. 64/32

1024/1024 byte

128/128 byte

max. 1024

max. 256/128

1024/1024 byte

128/128 byte

max. 1024

max. 256/128

Integrated functions Counters Pulse outputs Frequency measurement Controlled positioning Integrated FBs Closed-loop

control

2 incr. encoders 24 V/10 kHz

2 channel pulse widthmodulation, max. 2.5 kHz

2 channels max. 10 kHz

--

--




--

PID controller




--

PID controller

Integrated inputs/outputs Digital inputs

Digital outputs Analog inputs

Analog outputs

10; 24 V DC, all channels canbe used for process alarms

6; DC 24 V, 0,5 A

--

--


16; DC 24 V, 0,5 A

4: 10 V, 0..10 V, 20 mA,0/4..20 mA; 1: 0..600 , PT100

2: 10 V, 0..10 V, 20 mA,0/4..20 mA


16; DC 24 V, 0,5 A

--

--

DP interfaces

No. of int. DP lines / CP 342-5 Number of DP slaves per station Transmission speed Lateral communication Equidistance Activation/deactivation of slaves

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

--

PtP interface

Physics Transmission speed Cable length Protocol drivers

--

--

--

--

--

--

--

--

RS485/422

19.2 kbit/s (full duplex)

1200 m

3964 (R), ASCII

Dimensions (in mm) 80 x 125 x 130 120 x 125 x 130 120 x 125 x 130

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CPUs - Technical specifications (continued)

CPU 313C-2 DP CPU 314C-2 PtP CPU 314C-2 DP

Main memory (applications) 32 Kbyte/10 K instructions 48 Kbyte/16 K instructions 48 Kbyte/16 K instructions

Backup: using MMC all modules all modules all modules

Number of modules 128 FCs, 128 FBs, 127 DBs 128 FCs, 128 FBs, 127 DBs 128 FCs, 128 FBs, 127 DBs

Program processing free cycle (OB 1)real-time controlled (OB 10)delay alarm (OB20)time-triggered (OB 35)interrupt-triggered (OB 40)restart(OB100, 102)async. error(OB80..82,85,87)station failure/restoration(OB86)sync. error (OB121, 122)


free cycle (OB 1)real-time controlled (OB 10)delay alarm (OB20)time-triggered (OB 35)interrupt-triggered (OB 40)restart(OB100, 102)async. error (OB80..82,85,87)station failure/restoration(OB86)sync. error (OB121, 122)

Processing times Bit operations Word operations

0.1 s to 0.2 s

0.5 s

0.1 s to 0.2 s

0.5 s

0.1 s to 0.2 s

0.5 s

Bit memories/ times/ counters Bit memories timers / S7 counters IEC timers / IEC counters

2048

256/256

yes

2048

256/256

yes

2048

256/256

yes

Number of modules per system 31 31 31

Number of CCs/EUs 1/3 1/3 1/3

Address ranges Total I/O address range I/O process image Total digital channels 1)

Total analog channels1)

1024/1024 byte

128/128 byte

max. 1024

max. 256/128

1024/1024 byte

128/128 byte

max. 1024

max. 256/128

1024/1024 byte

128/128 byte

max. 1024

max. 256/128Integrated functions Counters

Pulse outputs

Frequency measurement Controlled positioning

Integrated FBsClosed-loopcontrol

3 incremental encoders 24 V/30 kHz



--

PID controller




SFB for positoning 1 axis via2 DO, AO

PID controller




SFB for positoning 1 axis via2 DO, AO

PID controller

Integrated inputs/outputs

Digital inputs

Digital outputs

Analog inputs Analog outputs


16; DC 24 V, 0,5 A

--

--


16; DC 24 V, 0,5 A

4: 10 V, 0..10 V, 20 mA,0/4..20 mA; 1: 0..600 , PT100

2:10V, 0-10V, 20mA,0/4-20mA


16; DC 24 V, 0,5 A

4: 10 V, 0..10 V, 20 mA,0/4..20 mA; 1: 0..600 , PT100

2:10V, 0-10V, 20mA,0/4-20mA

DP interfaces

No. of int. DP lines / CP 342-5 Number of DP slaves per station Transmission speed Lateral communication Equidistance Activation/deactivation of slaves

1/1

32

12 Mbit/s

yes

yes

yes

--

--

--

--

--

--

1/1

32

12 Mbit/s

yes

yes

yes

PtP interface Physics Transmission speed

Cable length Protocol drivers

--

--

----

RS485/422

19.2 kbit/s (full duplex)

1200 m3964 (R), RK512, ASCII

--

--

----

Dimensions (in mm) 120 x 125 x 130 120 x 125 x 130 120 x 125 x 130

1) integrated + pluggable

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CPU 312 IFM CPU 313 CPU 314 CPU 314 IFM

Main memory (applica-tions)

6 Kbyte

2 K instructions in RAM(integrated)

12 Kbyte4 K instructions inRAM (integrated)


32 Kbyte10 K instructions in RAM(integrated)

Backup

no battery

with battery

72 byte; bit memories,counters, timers, data


all modules

4 Kbyte; bit memories,counters, timers, data

all modules


all modules

Number of modules 32 FCs, 32 FBs,63 DBs

128 FCs, 128 FBs,127 DBs

128 FCs, 128 FBs,127 DBs

128 FCs, 128 FBs,127 DBs

Program processing free cycle (OB 1)

interrupt-triggered(OB 40)restart (OB 100)

free cycle (OB 1)

interrupt-triggered (OB40)

time-triggered (OB 35)

real-time controlled(OB 10)

restart (OB 100)

free cycle (OB 1)

interrupt-triggered (OB 40)



restart (OB 100)

free cycle (OB 1)

interrupt-triggered(OB 40)



restart (OB 100)

Processing times

Bit operations Word operations

0.6 s to 1.2 s

2 s

0.6 s to 1.2 s

2 s

0.3 s to 0.6 s

1 s

0.3 s to 0.6 s

1 s

Bit memories/ times/counters Bit memories timers / S7 counters IEC timers / IEC counters

1024

64/32

yes

2048

128/64

yes

2048

128/64

yes

2048

128/64

yes

Number of modules persystem 8 8 32 31

Number of CCs/EUs 1/0 1/0 1/3 1/3

Address ranges

Total I/O address range I/O process image Total digital channels Total analog channels

128/128 byte

32/32 byte, max. 256

max. 256

max. 64 I and 32 O

128/128 byte

32/32 byte

max. 256

max. 64 I and 32 O

512/512 byte

128/128 byte

max. 1024

max. 256 I and 128 O

512/512 byte

128/128 byte,

max. 1024

max. 256 I and 128 O

Integrated functions Counters

Frequency measurement Controlled positioning

Integrated FBsClosed-loopcontrol

1 counter with 4 inputs,counter frequency 10kHz; 32 bit (incl. sign);2 direction-dependentcomparators

1 channel max. 10 kHz

--

--

1 counter with 4 inputs or2 counters with 2 inputsand 2 direction-depen-dent comparators foreach counter, counterfrequency 10 kHz; 32 bit

(incl. sign);1 channel max. 10 kHz

SFC for positioning 1axis using 2 DA, 2 AA or24 V pulse outputs

PID controller

Integrated inputs/outputs Digital inputs

Digital outputs Analog inputs/

resolution (bit)

Analog outputs/resolution (bit)

10; 24 V DC; of which 4channels can be usedfor process interruptsor integrated functions

6; DC 24 V; 0,5 A

--

--

20; DC 24 V; of which 4channels can be usedfor process interrupts orintegrated functions

16; DC 24 V; 0,5 A

4: 10 V, 20 mA/11+sign

1: 10 V, 20 mA/11+sign

Dimensions (in mm) 80 x 125 x 130 80 x 125 x 130 80 x 125 x 130 160 x 125 x 130

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CPU 315 CPU 315-2DP CPU 316-2DP CPU 318-2DP

Main memory (applica-tions)




512 Kbyte, of whichmax. 256 Kbyte codeand max. 256 Kbyteinstructions

Backup

no battery

with battery


all modules


all modules


all modules


all modules

Number of modules 192 FCs, 192 FBs,255 DBs

192 FCs, 192 FBs,255 DBs

512 FCs, 256 FBs,511 DBs

1024 FCs, 1024 FBs,2047 DBs

Program processing free cycle (OB 1)



real-time controlled (OB10)

restart (OB 100)

free cycle (OB 1)




restart (OB 100)

free cycle (OB 1)




restart (OB 100)

timed interrupts (OB 10,11)

delay interrupts (OB 20,21)

time interrupts (OB 32,35)

process interrupts (OB40, 41)

background OB (OB 90)

restart (OB 100)

asynchronous error (OB80, 81, 82, 84, to 87)

synchronous error (OB121, 122)

Processing times Bit operation Word operation

0.3 s to 0.6 s

1 s

0.3 s to 0.6 s

1 s

0.3 s to 0.6 s

1 s

0.1 s

0.1 s

Bit memories/ timers/counters Bit memories S7 timers / S7 counters IEC timers / IEC counters

2048

128/64

yes

2048

128/64

yes

2048

128/64

yes

8192

512/512

yes

DP interface Number of modules per

system

Number of CCs/EUs Number of DP lines per

CPU (CP 342-5 integratedinterfaces)

Number of DP slave sta-tions per CPU (CP 342-5

integrated interfaces) Transfer rate Internode communication

supported

Equidistance supported Activation/deactivation of

DP slaves

32

1/3

32

1/3

1/1

64/64

12 Mbit/s

yes; transmitter andreceiver

yes

yes

32

1/3

1/1

125/64

12 Mbit/s


yes

yes

32

1/3

2/2

32 (MPI), 125 (DP)/64

12 Mbit/s


yes

available soon

Address ranges Total I/O address range I/O process image

Total digital channels

Total analog channels

512/256 Kbyte

128/128 byte

max. 1024

max. 256 (max. 256 I or128 O centralized)

1/1 Kbyte

128/128 byte

max. 8192 (1024 cen-tralized)

max. 512 (max. 256 I +max.128 O centralized)

2/2 Kbyte

128/128 byte

max. 16384(1024 centralized)

max. 1024 (max. 256 I+ max.128 O central-ized)

8/8 Kbyte

256/256 byte,expandable to 2048

max. 65536(1024 centralized)

max. 4096 (max. 256 Iand 128 O centralized

Dimensions (in mm) 80 x 125 x 130 80 x 125 x 130 80 x 125 x 130 160 x 125 x 130

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Range of modules

The comprehensive range of modulesenables modular adaptation of theS7-300 to a wide variety of applica-tions.

The following are available:

Digital and analog I/O modules fornearly all types of signals, includingmodules with interrupt processingand diagnostics

Digital and analog Ex I/O modules for

use in hazardous areas Function modules for counting / mea-suring, all sorts of positioning func-tions, cam control and closed-loopcontrol

Communication modules for point-to-point links or bus communication viaAS interface, PROFIBUS and Indus-trial Ethernet

Load supply units to provide 24 V DCoperating voltage

Interface modules for connecting theracks for multi-tier SIMATIC S7-300installation

Expansion options

If the automation task requires the useof more than 8 modules, the centralcontroller (CC) of the S7-300 can beexpanded using expansion units (EU)(except CPU 312 IFM, 312C, and 313).Up to 32 modules can be plugged intothe central controller and up to 8 intoeach expansion unit. Communicationsbetween the individual racks is han-dled autonomously by interface mod-ules (IM). Where plants cover a widearea, CCs/EUs can be set up at rela-tively large distances from one another(up to 10 m).

This means that, for a single-tier instal-lation, the maximum configuration is256 I/O, with up to 1024 I/O for multipleline installations. For a distributed sys-tem using PROFIBUS-DP, up to 65536I/O connections can be used.

The slots can be addressed freely, i.e.there are no slot rules (exceptCPU 312 IFM, 312C, 313, 314,314 IFM).

Communications Technology

Point to point coupling with data rates of upto 115 kbit/s and various protocols, e.g. forthe connection of printers, scanners, externaldevices, etc.

Counting in various modes, up to 500 kHz,measurement up to 100 kHz and proportion-ing

Connection to the AS-Interface fieldbus forcommunication with binary sensors andactuators

Cam control with up to 13 cam tracks permodule

Connection to PROFIBUS using either the DPor the FMS protocol, or through fiber-opticcable.

All sorts of positioning functions: controlled positioning in rapid-traverse/

creep-speed mode

point-to-point positioning and traversingprofiles using stepper and servo motors

point-to-point multiple-axis interpolationusing stepper and servo motors

Connection of positioning drives viaPROFIBUS-DP

Connection to Industrial Ethernet viaISO/TCP or TCP/IP data communicationsprotocol

PID controller with backup compatibility andintegrated online self configuration for vari-ous controller types (continuous controller,stepper controller, pulse controller)

Fig. 6: Expanding the S7-300

Expansion with IM 365 Expansion with IM 360/IM 361

Central controller

Expansion unit (EU)Expansion unit (EU)

Expansion unit (EU)

Expansion unit (EU)

Central controllermax. 1 m

IM 365

IM 365

IM 361

IM 361

IM 361

IM 360

CPU

CPU

max. 10 m

max. 10 m

max. 10 m

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I/O modules - Special characteristics

Signal modules are the interfacebetween the SIMATIC S7-300 and theprocess. A number of different digitaland analog modules provide the exactinputs/outputs required for the functionin question.

Easy installation

The sensors/actuators are connectedusing front connectors. If the module isreplaced, the connector is simply

plugged into the new module of thesame type, the wiring remainsunchanged. The mechanical coding ofthe front connector prevents confusion.SIMATIC TOPconnect simplifies thewiring process still further by providingpre-wired front connectors and termi-nal blocks.

High packaging density

The large number of channels on eachmodule is one reason for the space-saving design of the S7-300:Modules with 8 to 32 channels (digital)or 2 to 8 channels (analog) per module

are available.Simple configuration

The modules are configured andparameterized using STEP 7, there areno complicated switch settings. Thedata is stored centrally and, after amodule is replaced, automaticallytransferred to the new module to avoidtransfer errors. No software upgradesare required in order to use new mod-ules. Any configurations which havebeen carried out once can be repeatedidentically any number of times, e.g. forseries machines.

Diagnostics, interrupts

Many modules also monitor signalacquisition (diagnostics) and the sig-nals from the process (process inter-rupts). This means the system canreact quickly to any irregularities orprocess events. You can configure inSTEP 7 whether the controller shouldreact and what its reaction should be.

Special modules

The simulation module can be slottedinto the S7-300 for testing and simula-tion purposes. This enables the simula-

tion of encoder signals via switchesand indicates output signals by meansof LEDs. The module can be pluggedin anywhere without worrying about slotrules.

The dummy module reserves a slotposition for a signal module which isyet to be configured. When the moduleis slotted in at a later date, the mechan-ical configuration and the address allo-

cation remain unchanged.

The following pages detail criteriawhich can be used to select the appro-

priate signal module for a given appli-cation.

Comprehensive technical informationis always available in the latest version

of the CA 01 catalog (Internet:www.siemens.de/automation/ca01).

Fig. 7: Signal modules for universal and special applications

Universal application Specific application

Digital inputs / outputs

24 V DC120/230 V AC

48 to 125 V DC(wide range)

24 V DC, M-reading

Processing of SSI signals

Diagnostics for rapid error recognition

Outputs for different currents

Relay output for various voltages ona module

Signal modules for hazardous areas

Process alarm for rapid response.

Analog inputs / outputs

Particularly high resolutionvery low error tolerance

Very fast conversion times fordemanding control functions

Temperature measurement (thermo-elements, resistance thermometer)

Measurement of voltage, current,resistance and temperature

Process alarm for rapid reactions

Diagnostics for rapid error recognition

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12

I/O - Selection guide for digital input modules

Module type Selection guide for digital input modules

Voltage DC

Suitable for Switches and 2/3/4 wire proximity switches (BEROs)

Input voltage 24 V 48 to 125 V

Source/sink inputs P M P

Diagnostics/interruptcapability

yes no

Input delay 0.1 - 20 ms 1.2 to 4.8 ms 10 ms

Number of channels 16 16 32 8 16 16 16

Isolation:

number of groups

1 1 2 1 1 1 8

Extras 8 DO 16 DO

Module 6ES7 321-7BH0.-...

6ES7 321-1BH0.-...

6ES7 321-1BL0.-...

6ES7 323-1BH0.-...

6ES7 323-1BL0.-...

6ES7 321-1BH5.-...

6ES7 321-1CH8.-...

Module type Selection guide for digital input modules

Voltage AC

Suitable for Switches and 2/3/4 wire AC proximity switches (BEROs)

Input voltage 120/230 V 120 V 120/230 V

Source/sink inputs P P P


no no yes

Input delay 25 ms 25 ms 25 ms

Number of channels 16 32 8

Isolation:

number of groups

4 4 4

Extras

Module 6ES7 321-1FH0.-... 6ES7 321-1EL0.-... 6ES7 321-1FF1.-...

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13

I/O - Selection guide for digital output modules

Module type Selection guide for digital output modules

Voltage DC

Suitable for Solenoid valves, DC contactors and indicator lights

Output voltage 24 V 48 to 125 V

Output current 0.5 A 2 A 1.5 A


no yes no

Number of channels 16 32 8 16 8 8 8

Isolation:number of groups

2 4 1 1 1 2 4

Extras 8 DI 16 DI

Module 6ES7 322-1BH0.-...

6ES7 322-1BL0.-...

6ES7 323-1BH0.-...

6ES7 323-1BL0.-...

6ES7 322-8BF0.-...

6ES7 322-1BF0.-...

6ES7 322-1CF8.-...

Module type Selection guide for digital output modules

Voltage AC UC (relay)

Suitable for AC magnet coils, contactors, motor starters, smallmotors and indicator lights

AC/DC solenoid valves, contactors, motor starters,small motors and indicator lights

Output voltage 120/230 V 120 V 120 to 230 V 24 - 120 V

DC24 - 230 VAC

24 to 120 V AC

48 to 230 V AC

Output current 1 A 1 A 1 A 2 A 2 A 3 A 5 A


no no no yes/no no

Number of channels 16 32 8 8 16 8 8 8

Isolation:

number of groups

2 4 2 2 2 4 8 8

Extras

Module 6ES7 322-1FH0.-...

6ES7 322-1EL0.-...

6ES7 322-1FF0.-...

6ES7 322-1FF1.-...

6ES7 322-1HH0.-...

6ES7 322-1HF0.-...

6ES7 322-1HF1.-...

6ES7 322-1HF2.-...

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14

I/O - Selection guide for analog input modules

Module type Selection guide for analog input modules

Physical mea-sured variable

voltage

Encoder mea-surement range

+/- 80 mV+/- 250 mV+/- 500 mV

+/- 1 V+/- 2.5 V

+/- 5 V1 to 5 V+/- 10 V

0 to 10 V +/- 1 V+/- 2,5 V+/- 10 V0 to 2 V

0 to 10 V

+/- 10 V+/- 50 mV

+/- 500 mV1 to 5 V+/- 1 V+/- 5 V

Diagnos-

tics/interruptcapability

yes no yes no

Operating error +/- 1 % +/- 0.1 % +/- 0.9 % +/- 0.7 % +/- 0.15 % +/- 0.6 %

No. of channels

No. of groups

8

4

2

1

8

4

4

1

2

1

4

4

8

1

Resolution max. 14 bit +sign

max. 14 bit +sign

15 bit + sign 8 bit 12 bit + sign 13 bit + sign 12 bit + sign

Conversion timeper channel

min. 3 ms min. 3 ms min. 10 ms 5 ms min. 85 ms min. 0.2 ms < 70 ms

Additional func-tions

Measure-ment ofcurrent,

resistance,temperature

(TC + RTD)

Measure-ment ofcurrent

2 analogoutputs

Measure-ment of resi-

stance,temperature

(RTD),

2 analogoutputs

Measure-ment ofcurrent,4 analogoutputs

Measure-ment ofcurrent,


Module 6ES7 331-7KF0.-...

6ES7 331-7KB0.-...

6ES7 331-7NF0.-...

6ES7 334-0CE0.-...

6ES7 334-0KE0.-...

6ES7 335-7HG0.-...

6ES7 331-1KF00-...



current

Encoder measure-ment range

+/- 3.2 mA, +/- 10 mA,+/- 20 mA, 0 to 20 mA,

4 to 40 mA

+/- 20 mA0 to 20 mA4 to 40 mA

0 to 20 mA +/- 10 mA0 to 20 mA4 to 40 mA

0 to 20 mA

Type of connec-tion

2 and 4 wire transducers 4 wire transducers 2 and 4 wiretransducers

Diagnostics/inter-rupt capability

yes no yes no

Operating error +/- 1 % +/- 0.3 % +/- 0.8 % +/- 0.25 % +/- 0.5 %

No. of channels

Number of groups

8

4

2

1

8

4 (8)

4

1

4

4

8

1

Resolution max. 14 bit +sign

max. 14 bit +sign

15 bit + sign 8 bit 13 bit + sign 12 bit + sign


min. 3 ms min. 3 ms min. 10 ms 5 ms min. 0.2 ms < 70 ms


Measurement ofvoltage, resis-

tance, tempera-ture (TC + RTD)

Measurement ofvoltage

2 analogoutputs

Measurement ofvoltage,4 analogoutputs

Measurement ofvoltage,


Module 6ES7

331-7KF0.-...

6ES7

331-1BH0.-...

6ES7

331-7NF0.-...(6ES7

331-7NF1.-...)

6ES7

334-0CE0.-...

6ES7

335-7HG0.-...

6ES7

331-1KF00-...

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15

I/O - Selection guide for analog input modules (continued)



resistance


150 300 600 10 k 600 , 6 k

Type of connect. 2- /3- /4-wire connection

Diagnostics/interrupt capabil.

yes no

Operating error +/- 1 % +/- 0.1 % +/- 3.5 % +/- 0.5 %

No. of channels

No. of groups

4

4

1

1

8

4

4

2

8

1

Resolution max. 14 bit + sign max. 14 bit + sign max. 15 bit + sign 12 bit + sign 12 bit + sign


min. 3 ms min. 3 ms min. 10 ms min. 85 ms < 140 ms


Measurement ofvoltage, current,temp. (TC + RTD)

Measurement oftemperature (RTD)

Measurement oftemperature (RTD),2 analog outputs

Measurement ofvoltage, current,temperature

Module 6ES7 331-7KF0.-... 6ES7 331-7KB0.-... 6ES7 331-7PF0.-... 6ES7 334-0KE0.-... 6ES7 331-1KF00-...


Physical mea-

sured variable

temperature


Pt 100(-120 -

+130 C)

Pt 100Ni 100

(-200 - +385 C)

Pt:100;200;

500; 1000;Ni:100;

120;200; 500;

1000;Cu 10(-200

- +850 Cand -120 -+130 C)

Thermo-elementsType E, N, J, K, L

Thermo-elementsType B, E,N, J, K, L,R, S, T, U

Pt 100(-120 -

+130 C)

Diagnostics/interrupt capabil.

no yes no

Operating error +/- 1 % +/- 0.1 % +/- 1 % +/- 0.1 % +/- 1 %

No. of channels

No. of groups

4

2

4

4

1

1

8

4

8

4

2

1

8

4

8

1

Resolution max. 14 bit+ sign

max. 14 bit+ sign

max. 14 bit+ sign

15 bit +sign

max. 14 bit+ sign

max. 14 bit+ sign

15 bit +sign

12 bit +sign


min. 85 ms min. 3 ms min. 3 ms min. 10 ms min. 3 ms min. 3 ms min. 10 ms < 140 ms


Measure-ment of

resistance2 analogoutputs

Measure-ment ofvoltage,current,

resitance,tempera-ture (TC )

Measure-ment of

resistance


resitance,tempera-ture (RTD)


resistance

Module 6ES7 334-0KE0.-...

6ES7 331-7KF0.-...

6ES7 331-7KB0.-...

6ES7 331-7PF0.-...

6ES7 331-7KF0.-...

6ES7 331-7KB0.-...

6ES7 331-7PF1.-...

6ES7 331-1KF00-...

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Siemens AG

Automation and Drives GroupIndustrial Automation SystemsP.O. Box 4848, D-90327 NurembergFederal Republic of Germany

Siemens Aktiengesellschaft

Siemens AG 2001Subject to change without prior notice

Order No. 6ZB5310-0HW02-0BA2Printed in the Federal Republic of Germany26100/101642 MAN 09013.

I/O - Selection guide for analog output modules

Information on thisproduct is available inthe Internet at:

http://www.siemens.de/simatic-s7

Module type Selection guide for analog output modules

Physical measuredvariable

Voltage


0 to 10 V, 1 to 5 V, +/- 10 V 0 to 10 V 0 to 10 V0 to 2 V

Diagnostics capability yes no yes

Operating error +/- 0,5 % +/- 0.12 % +/- 0.6 % +/- 1 % +/- 0,5 %

Number of channels

Number of groups

4

4

2

2

4

4

2

1

2

1

4

4

Resolution 12 bit 12 bit max. 15 bit +sign

8 bit 12 bit + sign 13 bit + sign

Conversion time perchannel

0.8 ms 0.8 ms 1.5 ms 2.5 ms min. 85 ms 0.8 ms

Additional functions Power output Power output Power output Power output4 analog

inputs

4 analoginputs

Power output4 analog

inputs

Module 6ES7 332-5HD0.-...

6ES7 332-5BH0.-...

6ES7 332-7ND0.-...

6ES7 334-0CE0.-...

6ES7 334-0KE0.-...

6ES7 335-7HG0.-...

Module type Selection guide for analog output modules

Physical measuredvariable

Current


+/- 20 mA, 0 to 20 mA, 4 to 20 mA 0 to 20 mA

Type of connection 2-wire connection

Diagnostics capability yes no

Operating error +/- 0.6 % +/- 0.18 % +/- 1.0 %

Number of channels

Number of groups

4

4

2

2

4

4

2

1

Resolution 12 bit 12 bit max. 15 bit + sign 12 bit

Conversion time perchannel

0.8 ms 0.8 ms 1.5 ms 0.8 ms

Additional functions Power output Power output Power output Power output,4 analog inputs

Module 6ES7 332-5HD0.-... 6ES7 332-5HB0.-... 6ES7 332-7ND0.-... 6ES7 334-0CE0.-...

Any designations marked in this Product Briefwith are registered trademarks of Siemens AG.Other designations used in this publication maybe trademarks whose use by third parties for theirown purposes could violate the rights of theowners.

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Folheto_s7300_e (1)