ABB AC31 Assembly And Operation Manual page 9

Fig. 2: Earthing of device DC501-CS31-AD
Fig. 3: CPU earthing
When earthing the replacement devices, observe the following:
● Install the AC31 adapter devices onto an earthed mounting plate to ensure a uniform refer-
ence potential of all equipment.
● Implement the connections between switchgear cabinet, mounting plate, PE rail and shield
rail with low impedance.
2018/09/24
System data and CS31 bus system data > System data of the AC31 adapters
3ADR010122, 8, en_US
AC31 Adapters
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