Control Wiring Access; Examples Of Mains, Motor, And Grounding Connection - Danfoss VLT FC 280 Operating Manual

VLT® Midi Drive FC 280
Operating Guide
1 PLC
2 Minimum 16 mm
3 Control cables
4 Minimum 200 mm (7.87 in) between control cables,
motor cables, and mains cables.
5 Mains supply
6 Bare (unpainted) surface
7 Star washers
8 Brake cable (shielded)
9 Motor cable (shielded)

4.5 Control Wiring Access

• Remove the cover plate with a screwdriver. See the following illustration.
Illustration 11: Control Wiring Access

4.6 Examples of Mains, Motor, and Grounding Connection

The mains, motor, and grounding connection for single-phase and 3-phase drives are shown in the following illustrations respec-
tively. Actual configurations vary with unit types and optional equipment.
In motors without phase insulation, paper, or other insulation reinforcement suitable for operation with voltage supply, use a
sine-wave filter on the output of the drive.
Danfoss A/S © 2022.02
2
(6 AWG) equalizing cable
N O T I C E
10 Mains cable (unshielded)
11 Output contactor, and more.
12 Cable insulation stripped
13 Common ground busbar. Follow local and national
requirements for cabinet grounding.
14 Brake resistor
15 Metal box
16 Connection to motor
17 Motor
18 EMC cable gland
AQ381425076031en-000101 / 130R1223 | 25
Electrical Installation