
SCALANCE W774-1 / W734-1
Operating Instructions, 03/2022, C79000-G8976-C325-15 3
Table of contents
1 Introduction ............................................................................................................................................. 5
2 Safety notices.......................................................................................................................................... 9
3 Security recommendations .................................................................................................................. 11
4 Description of the device ..................................................................................................................... 19
4.1 Structure of the type designation............................................................................................... 19
4.2 Device view .................................................................................................................................... 20
4.2.1 SCALANCE W7x4-1 RJ45............................................................................................................. 20
4.2.2 SCALANCE W774-1 M12 ............................................................................................................. 21
4.3 Components of the product......................................................................................................... 21
4.4 Accessories .................................................................................................................................... 22
4.4.1 PLUG............................................................................................................................................... 22
4.4.2 Industrial Ethernet ........................................................................................................................ 22
4.4.3 Power supply ................................................................................................................................. 24
4.4.4 Flexible connecting cables, antennas and accessories.......................................................... 24
4.4.4.1 Flexible connecting cables .......................................................................................................... 24
4.4.4.2 Lightning protection...................................................................................................................... 26
4.4.4.3 Terminating resistor ..................................................................................................................... 26
4.4.4.4 Cabinet feedthrough..................................................................................................................... 26
4.4.4.5 Antennas......................................................................................................................................... 27
4.5 LED display .................................................................................................................................... 29
4.6 Reset button................................................................................................................................... 32
4.7 PLUG............................................................................................................................................... 34
5 Installation and removal....................................................................................................................... 37
5.1 Safety notices for installation ..................................................................................................... 37
5.2 Wall mounting................................................................................................................................ 39
5.3 Installing on an S7-300 standard rail......................................................................................... 41
5.4 Installing on an S7-1500 standard rail....................................................................................... 42
5.5 Installing on a DIN rail / removing ............................................................................................. 43
6 Connection............................................................................................................................................. 45
6.1 Safety when connecting up ......................................................................................................... 45
6.2 Power supply ................................................................................................................................. 50
6.3 Ethernet .......................................................................................................................................... 52
6.4 Antenna connectors...................................................................................................................... 54
6.5 Grounding ....................................................................................................................................... 56
6.6 Replacing the PLUG ..................................................................................................................... 57