Description
2.8 Communication and system connection
3WA1 air circuit breaker
152 Equipment Manual, 02/2023, 92310000002-06
Terminating resistor R
The COM150 communications module has an internal terminating resistor R. This
resistor must be activated on the last module of the Modbus RTU line (slide switch in
position "ON").
LEDs
The COM150 communications module has three LEDs for displaying the status of the
COM module and the communications interfaces:
2
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