Danfoss VLT 2811 Quick Manual page 31

1 Quick Guide
Control card, digital inputs:
1
Number of programmable digital inputs
Terminal number
Voltage level
Voltage level, logic '0'
Voltage level, logic '1'
Maximum voltage on input
Input resistance, R
Input resistance, R
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage
terminals. See section entitled Galvanic Isolation in the Operating Instructions.
Control card, analog inputs:
Number of analog voltage inputs
Terminal number
Voltage level
Input resistance, R
Max. voltage
Number of analog current inputs
Terminal number
Current level
Input resistance, R
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 entitled Galvanic Isolation in the Operating Instructions.
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 section entitled Galvanic Isolation in the Operating Instructions.
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
30
(terminals 18, 19, 27, 29)
i
(terminal 33)
i
i
i
i
MG.28.M1.02 - VLT
0 - 24 V DC (PNP positive logic)
0 - 10 V DC (scaleable)
0/4 - 20 mA (scaleable)
Max. error 1% of full scale
67.6 kHz (Push-pull)
5 kHz (open collector)
0 - 24 V DC (PNP positive logic)
Max. error: 0.5% of full scale
Max. error: 0.1% of full scale
0 - 24 V DC (O.C PNP)
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VLT 2800 Quick Guide
5
18, 19, 27, 29, 33
< 5 V DC
> 10 V DC
28 V DC
approx. 4 kΩ
approx. 2 kΩ
1 pcs.
53
approx. 10 kΩ
20 V
1 pcs.
60
approx. 300 Ω
30 mA
10 bit
13.3 msec
1
33
4 Hz
< 5 V DC
> 10 V DC
28 V DC
approx. 2 kΩ
13.3 msec
10 bit
1 pcs.
46
25 mA.
1 kΩ
10 nF
16 Hz
10 kHz