
Table of contents
1 Introduction...................................................................................................................................................5
1.1 Information on the Operating Instructions................................................................................5
2Security recommendations...........................................................................................................................7
3Description of the device............................................................................................................................11
3.1 Description of the device........................................................................................................11
3.2 Structure of the type designation...........................................................................................13
3.3 Components of the product....................................................................................................14
3.4 Accessories............................................................................................................................15
3.4.1 Flexible connecting cables and antennas..............................................................................18
3.4.1.1 Flexible connecting cables.....................................................................................................18
3.4.1.2 Antennas................................................................................................................................19
3.5 LED display............................................................................................................................22
3.6 Reset button...........................................................................................................................24
4 Mounting.....................................................................................................................................................27
4.1 Wall mounting........................................................................................................................28
4.2 Installing on an S7-300 standard rail......................................................................................30
4.3 Installing on an S7-1500 standard rail....................................................................................31
4.4 Installing on a DIN rail / removing..........................................................................................32
5 Connection.................................................................................................................................................35
5.1 Lightning protection, power supply and grounding.................................................................36
5.2 Power supply..........................................................................................................................39
5.3 Ethernet..................................................................................................................................42
5.4 Antenna connectors...............................................................................................................44
5.5 Replacing the PLUG (C-PLUG or KEY-PLUG)......................................................................46
5.6 Grounding..............................................................................................................................49
6 Upkeep and maintenance...........................................................................................................................51
6.1 Device configuration with PRESET-PLUG.............................................................................51
6.2 Downloading new firmware using TFTP without WBM and CLI.............................................54
6.3 Restoring the factory settings.................................................................................................55
7 Technical data............................................................................................................................................57
7.1 Technical specifications W774/W734 RJ-45..........................................................................57
7.2 Technical specifications W774 M12.......................................................................................60
SCALANCE W774-1 /W734-1
Operating Instructions, 09/2017, C79000-G8976-C325-09 3