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
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
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
0-24 V
Max. output current (sink or source)
40 mA
Max. load at frequency output
1 k
Ω
Max. capacitive load at frequency output
10 nF
Minimum output frequency at frequency output
0 Hz
Maximum output frequency at frequency output
32 kHz
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 to 20 mA
Max. load GND - analog output less than
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: 130mA/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, 10 V DC output
Terminal number
±
50
Output voltage
10.5 V
±
0.5 V
Max. load
15 mA
The 10 V DC supply is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, RS-485 serial communication
Terminal number
68 (P,TX+, RX+), 69 (N,TX-, RX-)
Terminal number 61
Common for terminals 68 and 69
The RS-485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the
supply voltage (PELV).
Specifications
VLT
®
AutomationDrive Operating
Instructions
MG33AM02 - VLT
®
is a registered Danfoss trademark
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