ABB AX521 User Manual

32.5.6 Fieldbus-neutral Interface
FieldBusPlug Pin Signal Description
1 +24 V Standard power
supply
2 Diagnosis pin
3 0 V Standard power
supply
4 Serial data
5 Serial data
NOTICE!
Risk of corrosion!
Unused connectors and slots may corrode if XC devices are used in salt-mist
environments.
Protect unused connectors and slots with TA535 protective caps for XC devices
TA535.
32.6 Cleaning
Cleaning instruction
Do not use cleaning agent for cleaning the device.
Use a damp cloth instead.
32.7 Certification
Pin Assignment
in Serial Mode
TB51x-TB54x
Certification
2019/11/15 3ADR024117M02xx, 11, en_US 247

ABB AX521 Specifications

General

Brand	ABB
Model	AX521
Category	I/O Systems
Language	English