All bare metal wires, screens or others not covered by the terminal shall be
fully covered in shrink tube to avoid unintended contact between wires,
housing or similar.
Only one conductor is allowed in each terminal of a terminal block/row for
external connections. This is not related to terminals as an integrated part
of internal components (e.g. relays, contactors) of the equipment. Two
conductors may in certain cases be used in one approved type ferrule
connected to one terminal. Contact Eltorque for approval.
• PE Earth shall be connected to the PE Earth bar in the cabinet and at the
actuator housing. PE earth shall preferably not be routed via the PCB to
the housing but go directly. The PCB shall be earthed to the actuator
housing from its own cable.
• Outer braided screen shall be connected to PE earth at both ends. Heat
Shrink Tubing shall be used on visible wires inside the actuator.
• Inner Screen shall be connected to IE/IS earth in the control cabinet. The
other end shall be floating in the actuator (electrically connected through
all actuators in the same loop). Heat Shrink Tubing shall isolate the inner
screen and make sure that it is not in direct contact with anything inside
the actuator.
1. The inner screen needs to be terminated inside the actuator housing.
Products that don’t have enough terminals available in the connector.
need a separate connector. We recommend using Wago 221 or
equivalent.
2. The outer screen must be cut and not connected to the housing for
the connection between two actuators on different power loops. A
shrink tube shall be used to cover all bare wires.
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