Danfoss VLT Midi Drive FC 280 Operating Instructions Manual page 13

Electrical Installation
FC 1 FC 2
PE
FC 1 FC 2
PE
Illustration 4.1 Grounding Principle
For EMC-compliant installation
•
Establish electrical contact between the cable
screen and the frequency converter enclosure by
using metal cable glands or by using the clamps
provided on the equipment (see chapter 4.6 Motor
Connection).
•
Use high-strand wire to reduce electrical
interference.
•
Do not use pigtails.
NOTICE
POTENTIAL EQUALISATION
Risk of electrical interference, when the ground potential
between the frequency converter and the control system
is different. Install equalizing cables between the system
components. Recommended cable cross-section: 16 mm
(5 AWG).
MG07A102
Operating Instructions
FC 3
FC 3
2
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