118 6LE005550A
Communication via Modbus
5.1 Modbus functionalities of the Energy circuit breaker
The Energy circuit breaker oers the option to connect to a Modbus RTU
communication bus from the optional HTC310H or HTC320H communication
module.
The protocol used is the Modbus RTU protocol. The HTC310H or HTC320H
communication module has the advantage of automatically adjusting the number
of Stop bits when adjusting the parity (see § 5.4 – Configuring the Modbus of the
communication module page 122).
The communication module connects to a single Energy circuit breaker at a time.
This module therefore enables the circuit breaker to operate as a Modbus slave
device.
Most of the Modbus functions and standard exception codes are managed by the
Energy circuit breaker.
Note
For more information about the Modbus functions and exception codes, please
contact us.
Note
The table of Modbus registers is available on the Hager website.
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