Danfoss VLT AutomationDrive FC 301

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 kΩ
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 kΩ
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 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.
Product Specifications
VLT
®
AutomationDrive FC 301/FC 302 Design Guide, 0.25-75 kW
MG33BF02 - Rev. 2013-12-20 71
6 6