S7-300_CP342-5_CP342-5FO_e.pdf

SIMATIC NET

S7−CPs for PROFIBUS

Manual Part B1

CP 342-5 / CP 342-5 FO

6GK7 342-5DA02-0XEO

version 2 and higher (firmware version V5.4 and higher)

6GK7 342-5DF00-0XE0

version 2 and higher (firmware version V5.4 and higher)

for SIMATIC S7−300 / C7−300

CP 342-5

CP 342-5 FO

(9-pin

sub-D female

connector)

(Duplex sockets for

optical connectors)

Status and

fault LEDs

Mode selector

Connection for power supply

and functional ground

Notes on the Product

Note

All instructions in the product information bulletin supplied with this product are

valid and must be adhered to.

Compatibility with the Previous Version

Note

Due to the enhanced functionality and restrictions , pay particular attention to

the notes in Chapter 5 of this manual.

Warning

Do not look directly into the opening of the optical transmitting diode or the optical

fiber. The emitted light can cause injury to your eyes.

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CP 342-5 / CP 342-5 FO for PROFIBUS / Manual Part B1

Release 12/2006

C79000-G8976-C146-08

Contents

Contents − Part A

PROFIBUS−CPs − General Information

. . . . . . . . . . . . . . . . . . . . . . .

see general part

Note

Please remember that Part A of the manual also belongs to the description of the

CPs. Among other things, this includes an explanation of the safety related notices

and other information that applies to all S7 CPs for Industrial Ethernet.

Part A of the manual: Release 2/2003 or higher.

You can also obtain this general section from the Internet:

http://www4.ad.siemens.de/view/cs/de/877403 7

Contents − Part B1

Contents

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−3

1 Features / Services

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−4

2 Installation and Commissioning

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−8

3 Displays and Mode Selector

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−9

4 Performance Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−11

4.1

Supported Transmission Rates

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−11

4.2

Characteristics of the DP Interface / DP Master

. . . . . . . . . . . . . . . . . .

B1−11

4.3

Characteristics of the DP Interface / DP Slave

. . . . . . . . . . . . . . . . . . . .

B1−14

4.4

Data of S5-compatible Communication

(SEND/RECEIVE Interface) on FDL Connections

. . . . . . . . . . . . . . . . .

B1−15

4.5

Data of S7 Communication

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−17

4.6

Characteristics of Multiplexing OP Connections

. . . . . . . . . . . . . . . . . . .

B1−19

4.7

Parallel Use of Communications Services (Multiprotocol Operation)

B1−20

5 Compatibility with the Previous Product

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−22

5.1

Extended Functionality Compared with Previous Product

. . . . . . . . . .

B1−22

5.2

Replacing Older Modules / Replacing Defective Modules

. . . . . . . . . .

B1−23

6 Technical Specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

B1−29

CP 342-5 / CP 342-5 FO for PROFIBUS / Manual Part B1

Release 12/2006

C79000-G8976-C146-08

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1 Features / Services

Application

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

SIMATIC S7-300 / C7-300 programmable logic controller. It allows the S7-300 /

C7-300 to be attached to a PROFIBUS fieldbus system.

Services

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

communication services:

PROFIBUS−DP

− as DP master class 1 (PROFIBUS-DP complying with EN 50170 DPV0,

DP master)

− as DP slave (PROFIBUS-DP complying with EN 50170 DPV0, DP slave)

Note

Note that the CP 342-5/342-5 FO can be operated as DP master or DP slave but

not both at the same time. The DP mode can also be completely deselected.

S7 communication and PG/OP communication

− PG functions with upload / download of FM modules, configuration /

diagnostics and routing

− Operator control and monitoring functions (HMI)

multiplexing TD/OP connections

When multiplexing OP connections, the following acyclic services are

supported:

− single read

− single write

− read system status list

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CP 342-5 / CP 342-5 FO for PROFIBUS / Manual Part B1

Release 12/2006

C79000-G8976-C146-08

1 Features / Services

− Client and server for data exchange over communication blocks 4 ) on S7

connections configured at both ends

(Notes: Partner station can be an S7−300, S7−400 or PG/PC application

with SIMATIC NET OPC server; raw data variables using BSEND/BRECV to

WinCC are not supported.)

− Server for data exchange on connections configured at one end without

communication blocks in the S7-300/C7-300 station

S5−compatible communication (SEND/RECEIVE interface) over FDL

connections of the following type:

− Specified FDL connections

− Free layer 2 connections (SDA, SDN)

− Broadcast

− Multicast

The CP 342-5/342-5 FO services mentioned above can be used at the same time

independent of each another.

Configuration

To configure the module, STEP 7 version V5.1 or higher is required; for FDL

connections and diagnostic functions, the NCM for PROFIBUS optional package

shipped with STEP 7 must be installed.

The module can be configured via MPI or LAN/PROFIBUS.

Note

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

the configuration data to the CP via the MPI.

Blocks for S7 communication (see also STEP 7 online help or the

“System Software for S7-300/400 System and Standard Functions” manual) :

BSEND

FB 12

BRCV

FB 13

PUT

FB 14

GET

FB 15

USEND

FB 8

URCV

FB 9

C_CNTRL

FC 62

CP 342-5 / CP 342-5 FO for PROFIBUS / Manual Part B1

Release 12/2006

C79000-G8976-C146-08

B1−5

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