![background image](http://html1.mh-extra.com/html/abb/ac-31/ac-31_assembly-and-operation-manual_3301544094.webp)
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.
Fig. 60: Current input with external resistor
AC31 Adapters
Replacement devices: I/O modules > Replacement device 07AI91-AD
2018/09/24
3ADR010122, 8, en_US
94