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VLT
®
5000 FLUX
Appendix
Voltage level, logical
’
1
’
........................................................................................................................... >10 V DC
Maximum voltage on input ........................................................................................................................ 28 V DC
Input resistance, R
i
(terminals 16, 17, 18, 19, 27, 32, 33) ................................................................................ 4 k
Input resistance, R
i
(terminal 29) ....................................................................................................................
2 k
Scanning time per input ............................................................................................................................. 3 msec.
Reliable galvanic isolation: All digital inputs are galvanically isolated from the supply voltage (PELV). In addition,
the digital inputs can be isolated from the other terminals on the control card by connecting an external
24 V DC supply and opening switch 4. See section on Installation of control cables.
Control card, analog inputs:
No. of programmable analog voltage inputs/thermistor inputs .............................................................................. 2
Terminal nos. ................................................................................................................................................ 53, 54
Voltage level ........................................................................................................................ 0 - ±10 V DC (scalable)
Input resistance, R
i
...................................................................................................................................... 10 k
No. of programmable analog current inputs ......................................................................................................... 1
Terminal no. ........................................................................................................................................................ 60
Current range .................................................................................................................... 0/4 - ±20 mA (scalable)
Input resistance, R
i
...................................................................................................................................... 200
Resolution .......................................................................................................................................... 10 bit + sign
Accuracy on input .......................................................................................................... Max. error 1% of full scale
Scanning time per input ............................................................................................................................. 3 msec.
Terminal no. ground ............................................................................................................................................ 55
Reliable galvanic isolation: All analog inputs are galvanically isolated from the supply voltage
(PELV) as well as other inputs and outputs.
Control card, pulse input:
No. of programmable pulse inputs ........................................................................................................................ 1
Terminal no. ........................................................................................................................................................ 29
Max. frequency on terminal 29 (PNP open collector) .................................................................................... 20 kHz
Max. frequency on terminal 29 (Push-pull) ................................................................................................... 65 kHz
Voltage level ........................................................................................................... 0-24 V DC (PNP positive logics)
Voltage level, logical
’
0
’
............................................................................................................................ < 5 V DC
Voltage level, logical
’
1
’
........................................................................................................................... >10 V DC
Maximum voltage on input ........................................................................................................................ 28 V DC
Input resistance, R
i
........................................................................................................................................ 2 k
Scanning time per input ............................................................................................................................. 3 msec.
Resolution .......................................................................................................................................... 10 bit + sign
Accuracy (100-1 kHz), terminal 29 ............................................................................. Max. error: 0.5% of full scale
Accuracy (1-65 kHz), terminal 29 ............................................................................... Max. error: 0.1% of full scale
Reliable galvanic isolation: All pulse inputs are galvanically isolated from the supply voltage (PELV). In
addition, pulse inputs can be isolated from the other terminals on the control card by connecting an
external 24 V DC supply and opening switch 4. See section on Control cables.
Control card, encoder input:
No. of programmable encoder input connector ................................................................................................... 1
Input terminal nos. ................................................................................................................ 73, 74, 75, 76, 77, 78
Voltage level ......................................................................................................................................... RS 422/485
Maximum voltage on input ........................................................................................................................ ±7 V DC
Input resistance, R
i
...................................................................................................................................... 140
Max. input frequency ................................................................................................................................. 250 kHz
Supply terminal nos. ..................................................................................................................................... 47, 49
Supply voltage .................................................................................................................................................. 5 V
Max. supply current ................................................................................................................................... 250 mA
MG.55.A6.02 - VLT is a registered Danfoss trademark
139