Table Of Contents - Siemens SIMATIC NET S7-1200 Operating Instructions Manual

Table of contents

Preface ................................................................................................................................................... 3
1 Application and properties .................................................................................................................. 11
1.1 Connecting the S7-1200 to PROFIBUS ................................................................................ 11
1.2 Communications services of the CM ................................................................................... 11
1.3 Performance data .............................................................................................................. 13
1.4 Requirements for operation ............................................................................................... 15
1.5 Configuration examples for PROFIBUS ................................................................................ 16
2 LEDs and connectors ............................................................................................................................ 17
2.1 Opening the covers of the housing ..................................................................................... 17
2.2 LEDs .................................................................................................................................. 18
2.3 Electrical connections ........................................................................................................ 21
3 Installation, connecting up, commissioning ....................................................................................... 23
3.1 Important notes on using the device .................................................................................. 23
3.1.1 Notes on use in hazardous areas ........................................................................................ 23
3.1.2 Notes on use in hazardous areas according to ATEX / UKEX / IECEx / CCC-Ex ........................ 23
3.1.3 Notes on use in hazardous areas according to UL HazLoc and FM ........................................ 24
3.2 Installation, removal and repairs in hazardous areas ........................................................... 25
3.3 Installing, connecting and commissioning .......................................................................... 26
3.4 Note on operation ............................................................................................................. 30
3.5 Disassembly ....................................................................................................................... 31
4 Configuration and program blocks ...................................................................................................... 33
4.1 Configuration .................................................................................................................... 33
4.2 Program blocks .................................................................................................................. 34
5 Diagnostics and upkeep ...................................................................................................................... 37
5.1 Diagnostics ........................................................................................................................ 37
5.2 Maintenance ..................................................................................................................... 38
5.2.1 Downloading firmware ...................................................................................................... 38
5.2.2 Module replacement .......................................................................................................... 39
6 Technical specifications ....................................................................................................................... 41
6.1 Technical specifications of the CM 1243-5 .......................................................................... 41
6.2 Pin assignment of the socket for the external power supply ................................................ 42
6.3 Pinout of the D-sub socket ................................................................................................. 43
A Dimension drawings ............................................................................................................................ 45
SIMATIC CM 1243-5
Operating Instructions, 01/2023, C79000-G8976-C246-06
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