Pulse/encoder inputs:
Programmable pulse/encoder inputs
2/1
Terminal number pulse/encoder
29
1)
, 33
2)
/ 32
3)
, 33
3)
Max. frequency at terminal 29, 32, 33
110 kHz (push-pull driven)
Max. frequency at terminal 29, 32, 33
5 kHz (open collector)
Min. frequency at terminal 29, 32, 33
4 Hz
Voltage level
see section on Digital input
Maximum voltage on input
28V DC
Input resistance, R
i
approx. 4k
Ω
Pulse input accuracy (0.1–1 kHz)
Max. error: 0.1% of full scale
Encoder input accuracy (1–11 kHz)
Max. error: 0.05% of full scale
The pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
1)
FC 302 only
2)
Pulse inputs are 29 and 33
3)
Encoder inputs: 32 = A, and 33 = B
Digital output:
Programmable digital/pulse outputs
2
Terminal number
27, 29
1)
Voltage level at digital/frequency output
0–24V
Max. output current (sink or source)
40mA
Max. load at frequency output
1k
Ω
Max. capacitive load at frequency output
10nF
Minimum output frequency at frequency output
0Hz
Maximum output frequency at frequency output
32kHz
Accuracy of frequency output
Max. error: 0.1% of full scale
Resolution of frequency outputs
12 bit
1)
Terminal 27 and 29 can also be programmed as input.
The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Analog output:
Number of programmable analog outputs
1
Terminal number
42
Current range at analog output
0/4–20mA
Max. load GND - analog output
500
Ω
Accuracy on analog output
Max. error: 0.5% of full scale
Resolution on analog output
12 bit
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, 24 V DC output:
Terminal number
12, 13
Output voltage
24 V +1, -3 V
Max. load
FC 301: 130 mA/ FC 302: 200 mA
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the same potential as the analog and digital
inputs and outputs.
Control card, 10V DC output:
Terminal number
50
Output voltage
10.5V
±
0.5V
Max. load
15 mA
The 10V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Specifications
VLT
®
AutomationDrive Instruction
Manual
MG.33.AI.22 - VLT
®
is a registered Danfoss trademark
10-13
10
10
