Vacon 20 CP, Installation, Technical And Maintenance Manual

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4
vacon • 43 Power cabling
4.7 Cable installation
• Before starting, check that none of the components of the AC drive is live. Read the
warnings in chapter 1 carefully
• Place the motor cables sufficiently far from other cables
• Avoid placing the motor cables in long parallel lines with other cables.
• If the motor cables run in parallel with other cables note the minimum distances
between the motor cables and other cables given in table below.
• The given distances also apply between the motor cables and signal cables of other sys-
tems.
• The maximum length for motor cables is 30m
• The motor cables should cross other cables at an angle of 90 degrees.
• If cable insulation checks are needed, see chapter Cable and motor insulation checks.
Start the cable installation according to the instructions below:
Figure 22. Stripping of cables.
Table 19. Cables stripping lengths [mm].
Distance between cables, [m] Shielded cable, [m]
0.3
≤
50
1.0
≤
200
1
Strip the motor and mains cables as recommended below.
Frame A1 B1 C1 D1 C2 D2 E
MS2 8 8 8 20 36 20
Leave as short
as possible
MS2
1-phase
7 8 8 20 36 20
MS3 8 8 8 20 36 20
D1
B1
C1
A1
D2
C2
E
Earth conductor
MAINS MOTOR
Shield
Earth conductor
D1
B1
C1
A1
Earth conductor
MAINS
(1-phase)