
SCALANCE W778-1 /W738-1
Operating Instructions, 07/2020, C79000-G8976-C450-06 3
Table of contents
1 Introduction .................................................................................................................................................5
2 Security recommendations .......................................................................................................................7
3 Safety notices........................................................................................................................................... 13
4 Description of the device........................................................................................................................ 15
4.1 Description of the device................................................................................................................ 15
4.2 Accessories ....................................................................................................................................... 17
4.2.1 Data line............................................................................................................................................. 18
4.2.2 Flexible connecting cables and antennas................................................................................... 20
4.2.2.1 Flexible connecting cables............................................................................................................. 20
4.2.2.2 Antennas............................................................................................................................................ 21
4.3 LED display........................................................................................................................................ 24
4.4 Reset button...................................................................................................................................... 27
5 Mounting................................................................................................................................................... 29
5.1 Safety notices for installation........................................................................................................ 29
5.2 Types of installation ........................................................................................................................ 31
5.3 Wall mounting ................................................................................................................................... 32
5.4 Installation on a DIN rail................................................................................................................. 33
5.4.1 Installation with the DIN rail mounting adapter ........................................................................ 33
5.4.2 Mounting with bracket support..................................................................................................... 35
6 Connection................................................................................................................................................ 39
6.1 Safety when connecting up............................................................................................................ 39
6.2 Explosion hazard when disconnecting or replacing live cables (FM, ATEX) ....................... 42
6.3 Suitable cables for temperatures above 70 °C - cable 50 °C - 70 °C (ATEX) .............. 42
6.4 Power supply..................................................................................................................................... 43
6.5 Ethernet.............................................................................................................................................. 46
6.6 Antenna connector........................................................................................................................... 47
6.7 Replacing the PLUG (C-PLUG or KEY-PLUG)........................................................................... 49
6.8 Grounding .......................................................................................................................................... 52
7 Upkeep and maintenance....................................................................................................................... 53
7.1 Device configuration with PRESET-PLUG.................................................................................. 53
7.2 Restoring the factory settings ....................................................................................................... 56
7.3 Firmware update via WBM or CLI not possible ......................................................................... 57
8 Technical specifications......................................................................................................................... 59