Danfoss VLT CDS 803 Quick Guide

1.3.8 EMC-Correct Electrical Installation
General points to be observed to ensure EMC-correct electrical installation.
•
Use only screened/armoured motor cables and screened/armoured control cables.
•
Connect the screen to ground at both ends.
•
Avoid installation with twisted screen ends (pigtails), since this ruins the screening effect at high frequencies. Use
the cable clamps provided instead.
•
Ensure the same potential between frequency converter and ground potential of PLC.
•
Use starwashers and galvanically conductive installation plates.
B
a
c
k
OK
Com.
On
Warn.
Alarm
Hand
On
O
Reset
Auto
On
Menu
Status Quick
Menu
Main
Menu
L1
L2
L3
PE
Min. 16 mm
2
Equalizing cable
Control cables
All cable entries in
one side of panel
Earthing rail
Cable insula-
tion stripped
Output con-
tactor etc.
Motor cable
Motor, 3 phases and
PLC etc.
Panel
Mains-supply
Min. 200mm
between control
cable, mains cable
and between mains
motor cable
PLC
Protective earth
Reinforced protective earth
130BB761.11
Illustration 1.8 EMC-correct Electrical Installation
Quick Guide Quick Guide
8 Danfoss A/S © Rev. 09/2014 All rights reserved. MG18M102
1
1

Danfoss VLT CDS 803 Specifications

General

Brand	Danfoss
Model	VLT CDS 803
Category	DC Drives
Language	English