Use In Communication Environment - Siemens SENTRON 3VL160X System Manual

Application planning

5.10 Use in communication environment

5.10 Use in communication environment
The 3VL molded case circuit breakers with communication-capable ETUs can be integrated
into PROFIBUS or MODBUS RTU networks via the COM20 / COM21 communication
modules.
Network topology
Network topology
Note
When using communication-capable ETUs, the left-hand accessory compartment X2
contains an auxiliary switch and an alarm switch.
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3VL IEC molded case circuit breakers
System Manual, 11/2013, 110 0110 - 02 DS 03