Danfoss VLT 2800 Design Manual page 144

All about VLT 2800
Control card, analog inputs
Number of analog voltage inputs
Terminal number
Voltage level
Input resistance, R
Maximum voltage
Number of analog current inputs
Terminal number
Current level
Input resistance, R
Max. current
5 5 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
chapter 5.1.1 Galvanic Isolation (PELV) for further information.
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
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
chapter 5.1.1 Galvanic Isolation (PELV) for further information.
Control card, digital/frequency output
Number of programmable digital/pulse outputs
Terminal number
Voltage level at digital/frequency output
Max. output current at digital/frequency output
Max. load at digital/frequency output
Max. capacity at frequency output
Minimum output frequency at frequency output
Maximum output frequency at frequency output
Accuracy on frequency output
Resolution on frequency output
The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals. See
chapter 5.1.1 Galvanic Isolation (PELV) for further information.
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Design Guide
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Danfoss A/S © Rev. May/2014 All rights reserved.
1 pcs.
53
0-10 V DC (scaleable)
approx. 10 kΩ
20 V
1 pics.
60
0/4-20 mA (scaleable)
approx. 300 Ω
30 mA
10 bit
Max. error 1% of full scale
13.3 ms
1
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
1 pcs.
46
0 - 24 V DC (O.C PNP)
25 mA.
1 kΩ
10 nF
16 Hz
10 kHz
Max. error: 0.2% of full scale
10 bit
MG27E402