Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC847E
50 Operating Instructions, 10/2018, A5E43920357-AA
Connection of equipotential bonding line
A low-impedance earth connection ensures that interference signals generated by external
power supply cables, signal cables or other cables to the I/O devices are safely discharged
to earth.
The connection for functional earthing on a device has a large surface, makes contact over a
large area and is marked with the following symbol.
You can find information on the position of the functional earthing connection under "Rear of
the device (Page 19)".
● T20 screwdriver
● Equipotential bonding conductor with a minimum cross section of 2.5 mm
2
1. Make the connection for functional ground via an equipotential bonding line to the
equipotential bonding rail or grounding bar of the control cabinet in which the device is
installed.