Electrical Connection; Mains Connection (Standard); Bus Connection (Standard) - Drehmo i-matic Operating Manual

3 Electrical connection

3.1 Mains connection (Standard)

Work on electrical equipment and electrical installation work on actuators must be
carried out by electricians or under supervision by fully qualified engineers, in
accordance with the valid electrical regulations.
Wiring should be carried out according to the enclosed wiring diagram. All control
cables shall be shielded to guarantee the electromagnetic compatibility of the
actuator. The main power cable need not be shielded.
The overcurrent protection of the actuator has to be installed inside the power
network. For rated values, see design data.
Pay special attention to the grounding of the actuator (refer to wiring diagram). Electrical
protection is not obtained until all covers are closed.

3.2 Bus connection (Standard)

Wiring is carried out according to the wiring diagram supplied with the actuator. The locations of
the connection terminals are shown in the following picture:
diagnosis
channel 1
channel 1
shield
channel 1
DREHMO – i-matic Modbus loop redundant board
Complementary operating manual
diagnosis
channel 2
channel 2
shield
channel 2
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