Table Of Contents - Siemens SCALANCE M874-2 Operating Instructions Manual

Table of contents

Preface ................................................................................................................................................... 3
1 Description of the device ......................................................................................................................... 9
1.1 Product characteristics ................................................................................................................... 9
1.1.1 SCALANCE M874-2, M874-3 ........................................................................................................ 9
1.1.2 SCALANCE M876-3 .................................................................................................................... 10
1.2 Unpacking and checking .............................................................................................................. 12
1.3 Accessories .................................................................................................................................. 13
1.4 LED display .................................................................................................................................. 14
1.4.1 SCALANCE M874-2, M874-3 ...................................................................................................... 14
1.4.2 SCALANCE M876-3 .................................................................................................................... 16
1.5 SET button ................................................................................................................................... 18
1.6 C-PLUG and KEY-PLUG ............................................................................................................. 20
2 Installation ............................................................................................................................................ 23
2.1 Securing the housing ................................................................................................................... 24
2.2 Wall mounting .............................................................................................................................. 25
2.3 Installing on the DIN rail ............................................................................................................... 26
2.4 Installing on the S7-300 standard rail .......................................................................................... 27
2.5 Installing on the S7-1500 standard rail ........................................................................................ 28
3 Connecting up ....................................................................................................................................... 31
3.1 Safety when connecting up .......................................................................................................... 31
3.2 SIM card ....................................................................................................................................... 33
3.3 Power supply ................................................................................................................................ 34
3.4 Grounding .................................................................................................................................... 36
3.5 Digital input/output ....................................................................................................................... 37
3.6 Antennas ...................................................................................................................................... 39
3.7 Ethernet port ................................................................................................................................ 42
3.8 Replacing the PLUG .................................................................................................................... 43
4 Dimension drawing ............................................................................................................................... 45
4.1 SCALANCE M874-2, M874-3 ...................................................................................................... 45
4.2 SCALANCE M876-3 .................................................................................................................... 47
SCALANCE M874, M876
Operating Instructions, 07/2014, C79000-G89760-C331-03
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