Mounting And Installation; Mounting Of The System; Power Supply Of The Modbus Rtu Controller; Terminals For The Voltage Supply And The Elbus - E-T-A ControlPlex EM12D-TMB Instruction Manual

3. MOUNTING AND INSTALLATION

3.1 Mounting of the System

The preferred mounting position of the EM12D-TMB is horizontal.
Figure 4: Mounting position of the EM12D-TMB

3.2 Power Supply of the Modbus RTU Controller

Power supply of the Modbus controller is via the line entry terminals LINE+ and 0V.

3.3 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.
3.3.1 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.
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