156LE008146B
The sentinel Energy trip unit
2.4 Communication accessories
The Modbus-RTU communication module or the Modbus-TCP communication module enable
communication with the hw+ sentinel Energy circuit breaker.
The Modbus-RTU communication module connects to an RS485 serial
communication network.
Modbus RTU module
The Modbus-TCP communication module connects to an Ethernet
network.
Modbus TCP module
These communication modules are compatible and specially indicated to interface with the
agardio.manager HTG411H data server.
They enable the following principal functions:
- Reading of state and measurement data,
- Transfer of event history,
- Display and modification of the protection and measurement settings,
- Reading of identification data of the circuit breakers,
- Access to remote controls available on the circuit breaker (opening or closing, switching of
the protection profiles, inhibition of advanced protections),
- Setting the clock and synchronising it.
For more information on the use of these communication modules, refer to the sentinel Energy
Modbus communication user manual.
Electrical characteristics
Rated DC supply voltage 24 V (+/- 30 %) SELV
Modbus RTU module power consumption 14 mA
Modbus TCP module power consumption 38 mA
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