ABB AC31 Assembly And Operation Manual page 24

AC31 Adapters
Replacement devices: CPU > Replacement device 07KT9x-AD
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Description
Hole for screw mounting (screw diameter 4 mm, extension torque 1.2 Nm)
Digital inputs/outputs for DA502
Digital inputs for DA501
Digital inputs for DA501
Analog inputs for DA501/DA502
CS31 bus Interface
Status LEDs for DA501/DA502
DIAG: Serial interface (diagnosis)
COM2: Serial interface (thread UNC 4-40)
Analog outputs for DA501/DA502
±10 V, 0 ... 20 mA, 4 ... 20 mA in one group
Digital inputs/outputs for DA501
Digital outputs for DA502
Digital outputs for DA502
Supply voltage connection 24 V DC (CPU and coupler)
Earth connection (FE). Connection for 6.3 mm Faston.
Ethernet: Network interface (function depends on device version)
Interface for ARCNET (BNC)
External networking interface
TA525: Label
8 operating buttons
SD memory card
Battery compartment for lithium battery TA521
3 system LEDs
5 status LEDs (only for PROFIBUS)
Connection for PROFIBUS (optional) (function depends on device version)
3ADR010122, 8, en_US 2018/09/24