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4 Mounting and installation
4.1 Mounting of the system
The preferred mounting position of the EM12D-TMB is horizontal.
fig. 4: Mounting position
4.2 Power supply of the Modbus RTU controller
Power supply of the Modbus controller is via the line entry terminals LINE+ and 0V.
4.3 Terminals for the voltage supply and the
ELBus
®
The operating voltage of the device is 24V DC. Faultless operation of the device is ensured in a voltage range
of 18V to 30V. The max. current of the supply module is 40A.
Using a supply voltage outside the indicated operating range can cause malfunctions or destruction of
the device.
4.3.1 Connector sockets for the Modbus RTU communication, connector socket X81/ X82
These connector sockets serve for connection of the Modbus controller EM12D-TMB with the superordinate
control unit. This connection is a one-to-one wiring.
1. communication A
2. communication B
3. communication GND
fig. 5: Modbus RTU connection
Preferably, the connection should be effected with a three-pole shielded cable. The cable length between the
Modbus controller EM12D-TMB and the Modbus server has to comply with the benchmarks.
Summary of Contents for EM12D-TMB Series
Page 1: ...Instruction manual Controller EM12D TMB ...
Page 37: ...37 ...
