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4.3 Control Terminal Strip X2A
The control terminal strip X2A is a 28-pole pluggable, double-row terminal strip with
spring-cage connection. It contains:
 8 digital inputs
 2 digital outputs
 1 Relay output
 2 analog inputs
 1 analog output
 CAN bus interface
 24V input and output
Reference potential for digital output
Reference potential for digital output
Relay output / NC contact (no function at variant relay with positively driven contacts)
Relay output / NO contact
Relay output/ switching contact
DC voltage output 24V (max. 100 mA together with terminal 26) for control the inputs
(SELV).
non-isolated difference input 1
Non-isolated difference input 1
non-isolated difference input 2
Non-isolated difference input 2
Reference potential for analog inputs and outputs