Danfoss VLT 2800 Quick Manual page 31

Specifications
Control card, digital inputs
Number of programmable digital inputs
Terminal number
Voltage level
Voltage level, logic '0'
Voltage level, logic '1'
Maximum voltage on input
Input resistance, R (terminals 18, 19, 27, 29)
i
Input resistance, R (terminal 33)
i
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See section Galvanic
Isolation in the Design Guide.
Control card, analog inputs
Number of analog voltage inputs
Terminal number
Voltage level
Input resistance, R
i
Max. voltage
Number of analog current inputs
Terminal number
Current level
Input resistance, R
i
Max. current
Resolution for analog inputs
Accuracy of analog inputs
Scan interval
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See section
Galvanic Isolation in the Design Guide.
Control card, pulse inputs
Number of programmable pulse inputs
Terminal number
Max. frequency at terminal 33
Max. frequency at terminal 33
Min. frequency at terminal 33
Voltage level
Voltage level, logic '0'
Voltage level, logic '1'
Maximum voltage on input
Input resistance, R
i
Scan interval
Resolution
Accuracy (100 Hz-1 kHz) terminal 33
Accuracy (1 kHz-67.6 kHz) terminal 33
The pulse input (terminal 33) is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See
section Galvanic Isolation in the Design Guide.
MG28M202
Quick Guide
Danfoss A/S © Rev. 2014-03-18 All rights reserved.
18, 19, 27, 29, 33
0 - 24 V DC (PNP positive logic)
< 5 V DC
> 10 V DC
28 V DC
approx. 4 kΩ
approx. 2 kΩ
1 pcs.
53
0 - 10 V DC (scaleable)
approx. 10 kΩ
20 V
1 pcs.
60
0/4 - 20 mA (scaleable)
approx. 300 Ω
30 mA
10 bit
Max. error 1% of full scale
13.3 m
33
67.6 kHz (Push-pull)
5 kHz (open collector)
4 Hz
0-24 V DC (PNP positive logic)
< 5 V DC
> 10 V DC
28 V DC
approx. 2 kΩ
13.3 ms
10 bit
Max. error: 0.5% of full scale
Max. error: 0.1% of full scale
5
7 7
1
29