Digital inputs
Programmable digital inputs
4 (6)
Terminal number
18, 19, 27
1)
, 29
1)
, 32, 33
Logic
PNP or NPN
Voltage level
0 - 24V DC
Voltage level, logic '0' PNP
< 5V DC
Voltage level, logic '1' PNP
> 10V DC
Voltage level, logic '0' NPN
> 19 V DC
Voltage level, logic '1' NPN
< 14V DC
Maximum voltage on input
28V DC
Input resistance, R
i
aprrox. 4kΩ
All digital inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
1) Terminals 27 and 29 can also be programmed as output.
Analog inputs
Number of analog inputs
2
Terminal number
53, 54
Modes
Voltage or current
Mode select
Switches A53 and A54
Voltage mode
Switch A53/A54 = (U)
Voltage level
0V to 10V (scaleable)
Input resistance, R
i
approx. 10 kΩ
Max. voltage
± 20 V
Current mode
Switch A53/A54 = (I)
Current level
0/4 to 20 mA (scaleable)
Input resistance, R
i
approx. 200 Ω
Max. current
30 mA
Resolution for analog inputs
10 bit (+ sign)
Accuracy of analog inputs
Max. error 0.5% of full scale
Bandwidth
200 Hz
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Figure 10.1
Pulse inputs
Programmable pulse inputs
2
Terminal number pulse
29, 33
Max. frequency at terminal, 29, 33
110 kHz (Push-pull driven)
Max. frequency at terminal, 29, 33
5 kHz (open collector)
Min. frequency at terminal 29, 33
4 Hz
Voltage level
see section on Digital input
Maximum voltage on input
28 V DC
Input resistance, R
i
approx. 4 k
Ω
Pulse input accuracy (0.1 - 1 kHz)
Max. error: 0.1% of full scale
Specifications
VLT® Automation VT Drive FC 322 D-Frame Instruction Manual
MG21E122 - VLT® is a registered Danfoss trademark
10-3
10
10
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