Danfoss VLT Compressor Drive CDS 803 - Page 74

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
Approximately 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 Terminal 53 mode: 1=voltage, 0=current
Terminal 54 mode Parameter 6-29 Terminal 54 mode: 1=voltage, 0=current
Voltage level 0–10 V
Input resistance, R
i
Approximately 10 kΩ
Maximum voltage 20 V
Current level 0/4–20 mA (scalable)
Input resistance, R
i
<500 Ω
Maximum current 29 mA
Resolution on analog input 10 bit
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) Terminals 42 and 45 can also be programmed as digital outputs.
Digital output
Number of digital outputs 4
Terminals 27 and 29
Terminal number 27, 29
1)
Voltage level at digital output 0–24 V
Maximum output current (sink and source) 40 mA
Terminals 42 and 45
Terminal number 42, 45
2)
Voltage level at digital output 17 V
Maximum output current at digital output 20 mA
Maximum load at digital output 1 kΩ
1) Terminals 27 and 29 can also be programmed as input.
2) Terminals 42 and 45 can also be programmed as analog output.
The digital outputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, RS485 serial communication
Terminal number 68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number 61 common for terminals 68 and 69
General Specications
VLT
®
Compressor Drive CDS 803
72 Danfoss A/S © 12/2015 All rights reserved. MG18N202
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