Siemens CP 342-5 User manual

Contents, Product Notes

CP 342-5/342-5 FO Communica-

tions Processor 1

Compatibility – Replacing older

Modules 2

How to Install the Module 3

Technical Data 4

Notes on the CE Mark on

SIMATIC NET Products 5

References 6

Manual

CP 342–5 6GK7 342-5DA02-0XE0

version 1 or higher (firmware V4.0.0)

CP 342–5 FO 6GK7 342-5DF00-0XE0

version 1 or higher (firmware V4.0.0)

06/2000

C79000–G8976–C146

Release 01

SIMATIC NET

Safety Guidelines

This manual contains notices which you should observe to ensure your own personal safety, as well as to

protecttheproductandconnectedequipment.Thesenoticesarehighlightedinthemanualbyawarning

triangle and are marked as follows according to the level of danger:

!Danger

indicatesthatdeath,severepersonalinjuryorsubstantialpropertydamagewillresultifproperprecautions

arenottaken.

!Warning

indicatesthatdeath, severe personal injury or substantial propertydamagecan result if proper precau-

tions are not taken.

!Caution

indicatesthat minor personal injury orproperty damage can result if proper precautions are not taken.

Note

drawsyourattentiontoparticularlyimportantinformationonthe product, handling the

product,orto a particular part of the documentation.

Qualified Personnel

Only qualifiedpersonnel should be allowed to install and work on this equipment. Qualified persons are

defined as persons who are authorized to commission, to ground, and to tag circuits, equipment, and sy-

stemsin accordance with establishedsafety practices and standards.

Correct Usage

Notethefollowing

!Warning

This device and its components may only be used for the applications described in the catalog or the

technicaldescription,andonlyinconnection with devices or components from other manufacturers which

havebeen approvedorrecommended by Siemens.

This product can only function correctly and safely if it is transported, stored, set up, and installed

correctly,andoperatedandmaintainedasrecommended.

Trademarks SIMATICR, SIMATIC HMIRand SIMATIC NETRare registered trademarks of the SIEMENS AG.

Third parties using for their own purpose any other names in this document which refer to trademarks

mightinfringeupontherightsofthetrademarkowners.

Wehavecheckedthecontentsofthismanualforagreementwiththe

hardware and software described. Since deviations cannot be

precludedentirely, we cannot guarantee full agreement. However,

the data in this manual are reviewed regularly and any necessary

corrections included in subsequent editions. Suggestions for

improvementarewelcomed.

Technicaldata subject to change.

ESiemensAG2000

The reproduction, transmission or use of this document or its

contents is not permitted without express written authority.

Offenders will be liable for damages. All rights, including rights

createdbypatentgrantorregistrationofautilitymodelordesign,are

reserved.

Siemens AG

A&D

IndustrialAutomationSystems

Postfach4848, D-90327Nürnberg

SiemensAktiengesellschaft C79000-G8976-C146/01

ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01 3

Contents

Product Notes 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 CP 342-5/342-5 FO Communications Processor 5. . . . . . . . . .

1.1 Characteristics 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2 Performance 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2.1 Transmission Rates 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2.2 Basic Data of the DP Interface/DP Master 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2.3 Basic Data of the DP Interface / DP Slave 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2.4 Data for S5-Compatible Communication (SEND/RECEIVE interface)

on FDL Connections: 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2.5 Basic Data for S7 Communication 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.2.6 Using Parallel Communications Services (Multiprotocol Operation) 12. . . . . . . .

1.3 Displays and Mode Selector 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2 Compatibility – Replacing older Modules 16. . . . . . . . . . . . . . . .

3 How to Install the Module 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4 Technical Data 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Notes on the CE Mark on SIMATIC NET Products 24. . . . . . . . .

6 References 25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Product Notes

4ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01

Product Notes

Note

All the information in the product information bulletin accompanying the device

described here is up to date and valid and must be read thoroughly.

Compatibility with the Previous Version

The CP 342–5 described here can be used to replace the following CPs

–CP 342–5 6GK7 342–5DA00–0XE0

–CP 342–5 6GK7 342–5DA01–0XE0

The CP 342–5 FO and CP 342–5 are compatible in terms of function.

Note

Please note the extended functions and restrictions as described in Chapter 2

of this manual!

ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01 5

1 CP 342-5/342-5 FO Communications Processor

Application

The CP 342-5/342-5 FO communications processor is intended for operation in a

programmable controller of the SIMATIC S7-300 series. It allows the S7-300 to be

connected to a PROFIBUS fieldbus system.

Design

Mode selector

Status and error

displays

Connection for power supply

and functional ground

(9-pin sub-D female

connector)

CP 342-5 CP 342-5 FO

(Duplex sockets for optical

connection)

Figure1 Front View of the CPs 342-5 / 342-5 FO

Configuration

Configuration is possible via MPI or LAN/PROFIBUS.

6ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01

1.1 Characteristics

Services

The current version of the CP 342-5/342-5 FO supports the following

communication services:

SPROFIBUS-DP

–as DP master class 1 and class 2 (PROFIBUS-DP complying with EN

50170, DP Master)

–as DP slave (PROFIBUS DP complying with EN 50170, DP Slave)

Note

Note however, that the CP 342-5/342-5 FO can only be operated as DP master or

DP slave but not both. The DP mode can also be completely deselected.

SS5-compatible communication (SEND/RECEIVE interface) on FDL connections

of the following types:

–Specified FDL connections

–Free layer 2 connections (SDA, SDN)

– Broadcast

– Multicast

SS7 communication and PG/OP communication

–PG functions (including routing)

–Operator control and monitoring functions (HMI)

–Server for data exchange using communication FBs

The services of the CP 342-5/342-5 FO listed here can all be used at the same

time independent of each other.

PG Functions with

Supload / download of FM modules

SConfiguration / diagnostics

SRouting

ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01 7

Module Replacement without PG

The CP supports the option of storing the CP configuration data on the CPU. If you

use this option, you can replace a module without having to download the

configuration data from the programming device.

The configuration data are then stored in the load memory of the CPU. The

non-volatile storage of the configuration data on the CPU is guaranteed by battery

backup or by using an EPROM module card.

Configuration

For configuration, you require STEP 7, version V5.1 or higher; for FDL connections

and diagnostic functions, you require the NCM S7 for PROFIBUS optional package

supplied with STEP 7.

Note

If you modify the bus parameters in the configuration data, you can only download

the configuration data to the CP via MPI!

8ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01

1.2 Performance

1.2.1 Transmission Rates

The transmission rate is set with the SIMATIC STEP 7 configuration software. The

following values are permitted:

Table 1-1

Transmission rate CP 342-5 CP 342-5 FO

9.6 Kbps

19.2 Kbps

45.45 Kbps

93.75 Kbps

187.5 Kbps

500 Kbps

1.5 Mbps

3 Mbps

6 Mbps

12 Mbps

–

1.2.2 Basic Data of the DP Interface/DP Master

General Data

The following data are important if you want to operate the CP 342-5/342-5 FO as

a DP master:

Table 1-2

Feature Explanation / Values

Number of DP slaves that can be operated 124 maximum

Size of the DP data areas (total):

–DP input area

–DP output area 2160 bytes maximum

2160 bytes maximum

Size of the DP data areas (per DP slave):

–DP input area

–DP output area 244 bytes maximum

244 bytes maximum

Size of the DP diagnostic data: 240 bytes per DP slave

ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01 9

Extended Master Functions

The CP 342-5/342-5 FO supports the following:

SSYNC/FREEZE (acyclic)

SShared input/output (acyclic)

SActivating/deactivating DP slaves

SModifications during runtime

–own PROFIBUS address

–DP mode (no DP, DP master, DP slave active/passive)

SHardware interrupts / diagnostic interrupts

Hardware and diagnostic interrupts do not need to be evaluated in the user

program. Hardware and diagnostic interrupts are acknowledged automatically

by the CP.

You can use single diagnostics to obtain interrupt information.

Reaction Times of a DP Master

To calculate the reaction times when operating the module as a DP master, the

runtime of the function blocks required for DP processing in the S7-300 CPU

(DP_SEND, DP_RECV) is the decisive factor.

Table 1-3

Components Explanation / Values (Guidelines)

Runtime on the CPU 314-1

(6ES7 314–1AE04–0AB0) Per DP_SEND block call:

S0,2 – 3,4 ms at 16 bytes

S0,2 – 5,9 ms at 240 bytes 1)

Per DP_RECV block call:

S0,3 – 3,5 ms at 16 bytes

S0,3 – 6,9 ms at 240 bytes 1)

1) At data lengths > 240 bytes: The data is transferred segmented. This then involves several block calls.

Note

The reaction times listed above are only intended as a guideline and only apply to

a single-master configuration when no other services (for example PG functions)

are processed on the CP.

10 ManualCP 342–5 / CP 342–5 FO

C79000–G8976–C146/01

1.2.3 Basic Data of the DP Interface / DP Slave

The following characteristics are important for successful data transfer to a DP

slave:

Table 1-4

Feature Explanation / Values

Device database file (*.GSD) File name:

CP 342-5: SIEM8093.GSD

CP 342-5 FO: SIEM8095.GSD

You can obtain device database files as follows:

SBy modem from the mailbox in the Interface Center, Fürth

Tel. 0911-737972 (from outside Germany +49-911-737972

SOn the Internet

http.\\www.ad.siemens.de under “Support, Training and

Service...Customer Support, Downloads”

Vendor ID CP 342-5: 8093H

CP 342-5 FO: 8095H

Size of the DP data areas:

–DP input area

–DP output area 240 bytes maximum

240 bytes maximum

Min. slave interval 2 ms

SYNC / FREEZE not supported

User parameter assignment data 3 bytes; value: 00 00 00 (fixed)

User diagnostic data 0 bytes

Reaction Times of a DP Slave

To calculate the reaction times when operating the module as a DP slave, the

runtime of the function blocks required for DP processing in the S7-300 CPU

(DP_SEND, DP_RECV) is the decisive factor.

Table 1-5

Components Explanation / Values

Runtime on the CPU 314-1

(6ES7 314–1AE04–0AB0) Per DP_SEND block:

S0,3 – 3,2 ms at 16 bytes

S0,2 – 5,7 ms at 240 bytes

Per DP_RECV block:

S0,3 – 3,5 ms at 16 bytes

S0,3 – 6,4 ms at 240 bytes

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