Tightening Torques, Control Cables; Electrical Installation, Control Terminals - Danfoss VLT 2800 Series General Information Manual

Control wires must be shielded/armored. Connect the
shield to the drive chassis with a clamp. Normally, the

Tightening torques, control cables

Control wires must be connected with a tightening tor-
que of 0.22-0.25 Nm.

Electrical installation, control terminals

See section entitled Grounding of shielded/armored
control cables in the VLT 2800 Design Guide for the
correct termination of control cables.
22
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VLT 2800 Series
shield must also be connected to the chassis of the
controlling device. (See the instructions for the specific
device.) In analog signals or connections using very
long wires, 50/60 Hz ground loops may occur because
of noise transmitted from the AC line. It may be nec-
essary to break the shield and insert a 100 μF capac-
itor between the shield and the chassis.
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MG.27.A2.22 - VLT is a registered Danfoss trademark