ABB AC31 - 1.4 Replacement Devices: CPU

Table 9: Error messages AC500 series
Format e.g. name of PLC browser
command diagshow all
Description
Error class Class 1 to 4
Faulty component Comp 11 (COM1 interface, here for
the CS31 bus)
Faulty device Dev Address of CS31 bus slave
with error
Faulty module Mod CS31 bus type of CS31 bus
slave with error (e.g. 5 for
analog input/output)
Faulty channel Ch See existing documentation of
CS31 bus slave
Error code Err See existing documentation of
CS31 bus slave
A CS31 bus slave error is indicated by an error LED on the CS31 bus slave. The error LED
remains on even after elimination of the error and is switched off only after the error has been
acknowledged by the CS31 bus master.
The acknowledgment of a CS31 bus slave error can take place via the CS31 bus master by
means of the function block CS31QU_EXT (see AC500 documentation).
1.4 Replacement devices: CPU
For AC31 devices of the 90 series, AC31 adapters (replacement devices) are available for the
exchange of the CPU.
AC31 Adapters
Replacement devices: CPU
2018/09/243ADR010122, 8, en_US18