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3 Product Overview
3.1 VLT® Compressor Drive CDS 803 Family Overview
Danfoss offers CDS drives in different-sized enclosures with power ratings from 6.0–30 kW (8.0–40 hp). Common for all drives are
the following:
I/Os
4 digital inputs (PNP or NPN)
2 digital outputs
2 analog inputs (voltage or current)
2 analog outputs
2 relay outputs
RS485 serial communication
Danfoss FC protocol and VLT® Motion Control Tool MCT 10 support
Modbus RTU
The drive is a free-standing, wall-mountable, or cabinet-mountable drive available in different ratings to fit various applications. The
complete overview is listed in Table 3.
Illustration 1: VLT® Compressor Drive CDS 803 Family
AJ330233902305en-000201 / 130R0596 | 11Danfoss A/S © 2021.05
Product Overview
VLT® Compressor Drive CDS 803
Design Guide