Control card, digital inputs:
Number of programmable digital inputs
8
Terminal nos.
16, 17, 18, 19, 27, 29, 32, 33
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
Ω
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 Switches 1-4.
Control card, analogue inputs
No. of programmable analogue voltage inputs/thermistor inputs
2
Terminal nos.
53, 54
Voltage level
0 - 10 V DC (scalable)
Input resistance, R
i
approx. 10 k
Ω
No. of programmable analogue current inputs
1
Terminal no ground.
55
Current range
0/4 - 20 mA (scalable)
Input resistance, R
i
200
Ω
Resolution
10 bit + sign
Accuracy on input
Max. error 1% of full scale
Scanning time per input
3 msec.
Reliable galvanic isolation: All analogue inputs are galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
Control card, pulse input:
No. of programmable pulse inputs
3
Terminal nos.
17, 29, 33
Max. frequency on terminal 17
5 kHz
Max. frequency on terminals 29, 33
20 kHz (PNP open collector)
Max. frequency on terminals 29, 33
65 kHz (Push-pull)
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
Ω
Scanning time per input
3 msec.
Resolution
10 bit + sign
Accuracy (100-1 kHz), terminals 17, 29, 33
Max. error: 0.5% of full scale
Accuracy (1-5 kHz), terminal 17
Max. error: 0.1% of full scale
Accuracy (1-65 kHz), terminals 29, 33
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 Switches 1-4.
Control card, digital/pulse and analogue outputs:
No. of programmable digital and analogue outputs
2
Terminal nos.
42, 45
Voltage level at digital/pulse output
0 - 24 V DC
Minimum load to ground (terminal 39) at digital/pulse output
600
Ω
VLT
®
6000 HVAC Series
44
MG.61.B5.02 - VLT
®
is a registered Danfoss trademark