Danfoss VLT CDS 803 Quick Guide

Cable lengths and cross-sections
Maximum compressor cable length, screened/armoured (EMC correct installation) See chapter 1.7.3 EMC Test Results
Maximum compressor cable length, unscreened/unarmoured 50 m
Maximum cross-section to compressor, mains
1)
Cross-section DC terminals for filter feedback on enclosure size H1-H3, I2, I3, I4 4 mm
2
/11 AWG
Cross-section DC terminals for filter feedback on enclosure size H4-H5 16 mm
2
/6 AWG
Maximum cross-section to control terminals, rigid wire 2.5 mm
2
/14 AWG)
Maximum cross-section to control terminals, flexible cable 2.5 mm
2
/14 AWG)
Minimum cross-section to control terminals 0.05 mm
2
/30 AWG
1) See chapter 1.7.2 Mains Supply 3x380-480 V AC for more information
Digital inputs
Programmable digital inputs 4
Terminal number 18, 19, 27, 29
Logic PNP or NPN
Voltage level 0-24 V DC
Voltage level, logic 0 PNP <5 V DC
Voltage level, logic 1 PNP >10 V DC
Voltage level, logic 0 NPN >19 V DC
Voltage level, logic 1 NPN <14 V DC
Maximum voltage on input 28 V DC
Input resistance, R
i
Approx. 4 kΩ
Digital input 29 as thermistor input Fault: >2.9 kΩ and no fault: <800 Ω
Digital input 29 as Pulse input Maximum frequency 32 kHz push-pull-driven & 5 kHz (O.C.)
Analog inputs
Number of analog inputs 2
Terminal number 53, 54
Terminal 53 mode Parameter 6-19: 1=voltage, 0=current
Terminal 54 mode Parameter 6-29: 1=voltage, 0=current
Voltage level 0-10 V
Input resistance, R
i
approx. 10 kΩ
Maximum voltage 20 V
Current level 0/4 to 20 mA (scalable)
Input resistance, R
i
<500 Ω
Maximum current 29 mA
Analog output
Number of programmable analog outputs 2
Terminal number 42, 45
1)
Current range at analog output 0/4-20 mA
Maximum load to common at analog output 500 Ω
Maximum voltage at analog output 17 V
Accuracy on analog output Maximum error: 0.4% of full scale
Resolution on analog output 10 bit
1) Terminal 42 and 45 can also be programmed as digital outputs.
Digital output
Number of digital outputs 2
Terminal number 42, 45
1)
Voltage level at digital output 17 V
Maximum output current at digital output 20 mA
Maximum load at digital output 1 kΩ
1) Terminals 42 and 45 can also be programmed as analog output.
Quick Guide
Quick Guide
MG18M102 Danfoss A/S © Rev. 09/2014 All rights reserved. 27
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Danfoss VLT CDS 803 Specifications

General

Brand	Danfoss
Model	VLT CDS 803
Category	DC Drives
Language	English