ABB AC31 Assembly And Operation Manual page 145

Fig. 92: Connection example: Voltage output
Fig. 93: Plug-in power bus
A power bus can be plugged into the replacement device. The contacts of the power bus have
no electrical connection to the electronic system of the replacement device. Furthermore, no FE
connection is available.
2018/09/24
Analog signal lines must be routed in shielded cables. The shield must be
earthed on both sides and should be earthed to replacement device and signal
source / signal sink as close as possible.
CAUTION!
System damage caused by voltage!
The exchange of a replacement device under voltage can cause permanent
system damage (destruction).
3ADR010122, 8, en_US
Replacement devices: I/O modules > Replacement unit DC501-CS31-AD
AC31 Adapters
145