Earthing The Device - Siemens SIMATIC HMI series Operating Instructions Manual

Connecting the cables
NOTICE
Observe local installation regulations
Observe the local installation guidelines and the local installation conditions, such as
protective wiring for power supply cables, when connecting the cables.
Short-circuit and overload protection
Different measures for short-circuit and overload protection are required when setting up an
entire plant. The type of components and the level of obligation for the protective measures
depends on the regulation that applies to your plant configuration.
● When connecting the cables, make sure that you do not bend the contact pins.
● Secure each cable connector with a cable tie.
● Provide adequate strain relief for all cables.
● The pin assignment of the ports is described in the technical specifications.
3.4.2

Earthing the device

The relevant symbol on the device identifies the terminal for the earth connection.
Protective earth
Requirement
● T20 screwdriver
● Cable lug for M4
● Protective conductor or equipotential-bonding cable with minimum cross-section 2.5 mm
IFP, IFP PRO, IFP ETH
Operating Instructions, 11/2017, A5E31298376-AH
Functional ground
Installing and connecting the device
3.4 Connecting the device
2
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