Safety Ground Connection; Basic Examples Of Control Connections - Danfoss VLT CDS 303 Operating Instructions Manual

How to Install

3.3.13 Safety Ground Connection

The frequency converter has a high leakage current and must be grounded appropriately for safety reasons according to EN
50178. The ground leakage current from the frequency converter exceeds 3.5 mA. To ensure a good mechanical connection
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from the ground cable to the ground connection (terminal 95), the cable cross-section must be at least 10 mm
ground wires terminated separately.

3.3.14 Basic Examples of Control Connections

Controls using an external controller with 0-10 V signal. It is not necessary to change any parameters, as this is the default
value.
Figure 3.28 Example of External Controller with 0-10 V Signal
Controls using an external controller with 4-20 mA signal. Change switch 53 from U to I. It is not necessary to change any
parameters, as this is the default value.
Figure 3.29 Example of External Controller with 4-20 mA Signal
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VLT Compressor Drives CDS 302/CDS 303
Danfoss A/S © Rev. 2013-07-03 All rights reserved.
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or 2 rated
MG34M422