Siemens LOGO! CMK2000 - Connecting the Functional Ground; Connecting LOGO! to CMK2000 via Ethernet

Connection
6.3 Connecting the functional ground
CMK2000
34 Operating Instructions, 11/2015, A5E34877550B/001
6.3
Connecting the functional ground
Connect the functional ground (e.g. from the standard mounting rail) in order to discharge
EMI such as bursts or surges to the FE terminal
①.
Permissible conductor cross-section: 0.5 ... 6.0 mm
2
Image 6-1 Position of FE terminal
①
Note
EMC-compliant functional grounding
•
Use as short a stranded-wire conductor as possible with a large cross section.
•
Compliance with the technical specifications of the device can only be assured if a correct
functional grounding is adhered to.
6.4
Connecting LOGO! to CMK2000 via Ethernet
The connection between LOGO! 8 and the CMK2000 is via Ethernet. Use a shielded
Ethernet cable (CAT5e) with a shielded connector.
Image 6-2 Position of the Ethernet interface
①