Table Of Contents - Siemens SIMATIC NET S7-300-PROFIBUS CP 342-5 Equipment Manual

Table of contents

Preface ................................................................................................................................................... 3
1 Application and functions ..................................................................................................................... 9
1.1 Application .......................................................................................................................... 9
1.2 Interfaces and connectors .................................................................................................... 9
1.3 Communications services ................................................................................................... 10
1.4 Performance data and behavior in operation ...................................................................... 11
1.4.1 Transmission speeds supported .......................................................................................... 11
1.4.2 Characteristic data of the DP interface / DP master .............................................................. 11
1.4.3 Characteristic data of the DP interface / DP slave ................................................................. 13
1.4.4 Characteristic data of open communications services (SEND/RECEIVE interface) over
FDL connections ................................................................................................................ 15
1.4.5 Characteristics of S7 communication .................................................................................. 16
1.4.6 Characteristic data for multiplexing OP connections ........................................................... 17
1.4.7 Parallel use of communications services (multiprotocol mode) ........................................... 18
1.5 Requirements for use ......................................................................................................... 19
1.5.1 Operation in control device families ................................................................................... 19
1.5.2 Project engineering ............................................................................................................ 20
1.5.3 Program blocks .................................................................................................................. 21
1.6 Compatibility with the previous product ............................................................................. 22
1.6.1 Enhanced functions and modifications ............................................................................... 22
1.6.2 Replacing older modules / module replacement .................................................................. 23
1.6.3 Compatibility in the user program in DP mode .................................................................... 24
2 LEDs and mode selector ....................................................................................................................... 29
2.1 LED displays ....................................................................................................................... 29
2.2 Mode selector .................................................................................................................... 31
3 Installation, wiring, commissioning, removal ..................................................................................... 33
3.1 Important notes on using the device .................................................................................. 33
3.1.1 Notes on use in hazardous areas ........................................................................................ 33
3.1.2 Notes on use in hazardous areas according to ATEX / UKEX / IECEx / CCC-Ex ........................ 33
3.1.3 Notes on use in hazardous areas according to UL HazLoc and FM ........................................ 34
3.2 Installation, removal and repairs in hazardous areas ........................................................... 35
3.3 Installing, connecting and commissioning .......................................................................... 36
3.4 Disassembly ....................................................................................................................... 38
4 Configuration and operation ............................................................................................................... 39
4.1 Configuring in third-party systems ..................................................................................... 39
4.2 Loading with modified transmission speed ......................................................................... 39
4.3 DP mode ............................................................................................................................ 39
CP 342-5
Equipment Manual, 01/2023, C79000-G8976-C146-11
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