SCALANCE WxM766 
Operating Instructions, 03/2022, C79000-G8976-C617-03 
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  Structure of the article number .................................................................................................. 19 
4.3  Device view .................................................................................................................................... 20 
4.4  Components of the product ......................................................................................................... 21 
4.5  Accessories .................................................................................................................................... 21 
4.5.1  Installation ...................................................................................................................................... 22 
4.5.2  CLP .................................................................................................................................................. 22 
4.5.3  Industrial Ethernet ........................................................................................................................ 23 
4.5.3.1  Data cables .................................................................................................................................... 23 
4.5.3.2  Data plug-in connector ................................................................................................................ 24 
4.5.4  Digital input / digital output ........................................................................................................ 24 
4.5.4.1  Cables ............................................................................................................................................. 24 
4.5.4.2  Plug-in connector .......................................................................................................................... 25 
4.5.5  Power supply ................................................................................................................................. 26 
4.5.5.1  Energy cable ................................................................................................................................... 26 
4.5.5.2  Plug-in connector power supply ................................................................................................. 26 
4.5.6  Flexible connecting cables, antennas and accessories .......................................................... 27 
4.5.6.1  Flexible connecting cables .......................................................................................................... 27 
4.5.6.2  Lightning protection ...................................................................................................................... 28 
4.5.6.3  Terminating resistor ..................................................................................................................... 28 
4.5.6.4  Cabinet feedthrough ..................................................................................................................... 28 
4.5.6.5  Antennas ......................................................................................................................................... 29 
4.6  LED display .................................................................................................................................... 30 
4.7  Reset button ................................................................................................................................... 33 
4.8  Configuration License PLUG ....................................................................................................... 34 
5  Assembly and disassembly .................................................................................................................. 37 
5.1  Safety notices for installation ..................................................................................................... 37 
5.2  Types of installation ..................................................................................................................... 40 
5.3  Wall mounting ................................................................................................................................ 41 
5.4  Mounting on VESA bracket .......................................................................................................... 41 
5.5  DIN rail mounting ..........................................................................................................................
 42 
5.5.1  Installation with the DIN rail mounting adapter ....................................................................... 42 
5.5.2  Mounting with bracket support ................................................................................................... 45