Siemens SIMATIC IPC627E, Руководство по эксплуатации

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Installing and connecting the device
3.3 Connecting the device
SIMATIC IPC627E
46
Operating Instructions, 12/2018, A5E44297201-AA
3.3.2 Connection of equipotential-bonding cable
A low-resistance ground connection ensures that interference signals generated by external
power supply cables, signal cables or cables to the I/O modules are safely discharged to
ground.
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:
Requirements
For the equipotential bonding connection, you need:
● One TORX T20 screwdriver
● One equipotential bonding cable with minimum cross-section of 2.5 mm
2
Procedure
1. Connect the identified equipotential
bonding connection (thread M4) of the
device with the equipotential bonding
cable.
Make sure that the equipotential bonding
cable is in contact with the enclosure
over a wide area.
2. Connect the equipotential bonding cable
with the central grounding point of the
control cabinet.
Make sure that the equipotential bonding
cable is in contact with the central
grounding point over a wide area.