Danfoss VLT DMS 300 Manual page 195

Control card, analog inputs:
Number of analog voltage inputs .................................................................................................................. 1 pcs.
Terminal number ................................................................................................................................................. 53
Voltage level ..................................................................................................................... ± 0 - 10 V DC (scaleable)
Input resistance, R ........................................................................................................................ approx. 10 k
i
Max. voltage ................................................................................................................................................... 20 V
Number of analog current inputs ................................................................................................................... 1 pcs.
Terminal number ................................................................................................................................................. 60
Current level ....................................................................................................................... 0/4 - 20 mA (scaleable)
Input resistance, R ......................................................................................................................... approx. 300
i
Max. current ................................................................................................................................................ 30 mA
Resolution for analog inputs ........................................................................................................................... 10 bit
Accuracy of analog inputs .............................................................................................. Max. error 1% of full scale
Scan interval .......................................................................................................................................... 13.3 msec
The analog inputs are galvonically isolated from the supply voltage (PELV) and other high-
voltage terminals. See section entitled Galvonic Isolation.
Control card, pulse inputs:
Number of programmable pulse inputs ................................................................................................................. 2
Terminal number ........................................................................................................................................... 29, 33
Max. frequency at terminal 29/33 ............................................................................................ 110 kHz (Push-pull)
Max. frequency at terminal 29/33 ......................................................................................... 5 kHz (open collector)
Min. frequency at terminal 33 ......................................................................................................................... 4 Hz
Min. frequency at terminal 29 ....................................................................................................................... 30 Hz
Voltage level .......................................................................................................... 0 - 24 V DC (PNP positive logic)
Voltage level, logic '0' ............................................................................................................................... < 5 V DC
Voltage level, logic '1' ............................................................................................................................. > 10 V DC
Maximum voltage on input ........................................................................................................................ 28 V DC
Input resistance, R .......................................................................................................................... approx. 2 k
i
Scan interval .......................................................................................................................................... 13.3 msec
Resolution ..................................................................................................................................................... 10 bit
Accuracy (100 Hz- 1 kHz) terminal 33 ........................................................................ Max. error: 0.5% of full scale
Accuracy (1 kHz - 67.6 kHz) terminal 33 .................................................................... Max. error: 0.1% of full scale
The pulse input is galvonically isolated from the supply voltage (PELV) and other high-voltage
terminals. See section entitled Galvonic Isolation.
Control card, digital/frequency output:
Number of programmable digital/pulse outputs ........................................................................................... 1 pcs.
Terminal number ................................................................................................................................................. 46
Voltage level at digital/frequency output ............................................................................. 0 - 24 V DC (O.C PNP)
Max. output current at digital/frequency output ......................................................................................... 25 mA.
Max. load at digital/frequency output ............................................................................................................ 1 k
Max. capacity at frequency output ................................................................................................................ 10 nF
Minimum output frequency at frequency output ........................................................................................... 16 Hz
Maximum output frequency at frequency output ......................................................................................... 10 kHz
Accuracy on frequency output ................................................................................. Max. error: 0.2 % of full scale
Resolution on frequency output ..................................................................................................................... 10 bit
The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage
terminals. See section entitled Galvonic Isolation.
MG.90.F2.22 - VLT is a registered Danfoss trademark
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195