Siemens SIMATIC NET S7-1200 Compact Operating Instructions

Table of contents
1 Introduction........................................................................................................................................... 5
1.1 Preface ................................................................................................................................ 5
1.2 Security information ............................................................................................................ 6
1.3 Introduction......................................................................................................................... 7
2 Network topologies ............................................................................................................................... 9
2.1 Network topologies.............................................................................................................. 9
3 Product characteristics ........................................................................................................................ 11
3.1 Components of the product ............................................................................................... 11
3.2 Unpacking and checking .................................................................................................... 12
3.3 CSM 1277 product characteristics ...................................................................................... 13
3.4 TP ports ............................................................................................................................. 14
3.5 Displays............................................................................................................................. 17
3.6 Technical speci󹪝cations ...................................................................................................... 18
4 Installation........................................................................................................................................... 21
4.1 Important notes on using the device .................................................................................. 22
4.2 Installation ........................................................................................................................ 26
4.3 Fixing onto standard mounting rails ................................................................................... 27
4.4 Power supply ..................................................................................................................... 29
4.5 Grounding ......................................................................................................................... 31
4.6 Twisted pair cable .............................................................................................................. 32
4.7 Fitting the IE FC RJ-45 Plug 180.......................................................................................... 33
4.8 Disassembly....................................................................................................................... 35
5 Maintenance and troubleshooting...................................................................................................... 37
5.1 Possible sources of problems and how to deal with them.................................................... 38
6 Approvals and markings ...................................................................................................................... 39
6.1 Notes on the CE Mark......................................................................................................... 40
7 References ........................................................................................................................................... 45
7.1 References......................................................................................................................... 45
7.2 Internet ............................................................................................................................. 46
8 Graphics............................................................................................................................................... 47
8.1 Dimension drawings .......................................................................................................... 47
Compact Switch Module CSM 1277
Compact Operating Instructions, 06/2022, A2B00079397-02 3

Siemens SIMATIC NET S7-1200 Specifications

General

Supply voltage	24 V DC
Protection class	IP20
Product type designation	S7-1200
Transfer rate	10/100 Mbit/s
Number of ports	4
Power consumption	2.5 W
Operating temperature	0 °C to 60 °C
Mounting type	DIN rail
Switching capacity	1 Gbps