Pulse Inputs; Digital Outputs - Danfoss VLT FC 280 Operating Manual

Operating Guide | VLT® Midi Drive FC 280

Pulse Inputs

9.6.4
Programmable pulse inputs
Terminal number pulse
Maximum frequency at terminal 33
Maximum frequency at terminal 33
Minimum frequency at terminal 33
Voltage level
Maximum voltage on input
Input resistance, R
i
Pulse input accuracy

Digital Outputs

9.6.5
Programmable digital/pulse outputs
Terminal number
Voltage level at digital/frequency output
Maximum output current (sink or source)
Maximum load at frequency output
Maximum capacitive load at frequency output
Minimum output frequency at frequency output
Maximum output frequency at frequency output
Accuracy of frequency output
Resolution of frequency output
1) Terminal 27 can also be programmed as input.
The digital output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control Card, 24 V DC Output
9.6.6
Terminal number
Maximum load
The 24 V DC supply is galvanically isolated from the supply voltage (PELV). However, the supply has the same potential as the analog and
digital inputs and outputs.
Control Card, +10 V DC Output
9.6.7
Terminal number
132 | Danfoss A/S © 2024.10
Specifications
32 kHz (push-pull driven)
5 kHz (open collector)
See the section on digital input
28 V DC
Approximately 4 kΩ
Maximum error: 0.1% of full scale
Maximum error: 0.1% of full-scale
100 mA
AQ381425076031en-000201 / 130R1223
1
33
4 Hz
1
(1)
27
0–24 V
40 mA
1 kΩ
10 nF
4 Hz
32 kHz
10 bit
12, 13
50