Accessories
4.3 Control and signaling accessories
3WA1 air circuit breaker
Equipment Manual, 02/2023, 92310000002-06
249
IOM230 digital input/output module
2
Setting switch for module number 1 - 5
2
The IOM230 digital input/output module can be mounted on a DIN rail or on the
secondary disconnect terminal system of the air circuit breaker.
The IOM230 module features:
• Two digital inputs
• Three digital outputs
Active outputs are indicated by LEDs OUT0 to OUT2 and active inputs by IN0 and IN1.
The ACT (Active) LED indicates whether the module is ready and the CUB (CubicleBUS
2
)
LED indicates whether communication is taking place via the CubicleBUS
2
.
Module without power supply
Restricted operating mode
CubicleBUS
2
communication normal
No active CubicleBUS
2
nodes