Pulse/Encoder Inputs; Analog Output - Danfoss VLT HVAC Drive FC 102 Operating Manual

Operating Guide | VLT® HVAC Drive FC 102
Input resistance, R
i
Maximum current
Resolution for analog inputs
Accuracy of analog inputs
Bandwidth
The analog inputs are galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
+24 V
Control
18
37
Functional
isolation
RS485
Illustration 49: PELV Isolation

9.6.4 Pulse/encoder Inputs

Programmable pulse/encoder inputs
Terminal number (pulse)
Terminal number (encoder)
Maximum frequency at terminals 29, 32, 33
Maximum frequency at terminals 29, 32, 33
Maximum frequency at terminals 29, 32, 33
Voltage level
Maximum voltage on input
Input resistance, R
i
Pulse input accuracy (0.1–1 kHz)
Encoder input accuracy (1–11 kHz)
1
FC 302 only.
2
Encoder inputs: 32=A and 33=B.

9.6.5 Analog Output

Number of programmable outputs
Terminal number
Current range at analog output
Maximum load GND - analog output less than
Accuracy on analog output
Resolution of analog output
Danfoss A/S © 2020.01
PELV isolation
Mains
High
Motor
voltage
DC-bus
Specifications
Approximately 200 Ω
10 bit (+ sign)
Maximum error 0.5% of full scale
110 kHz (Push-pull driven)
5 kHz (Open collector)
See Digital Inputs.
Approximately 4 kΩ
Maximum error: 0.1% of full scale
Maximum error: 0.05% of full scale
0/4 to 20 mA
Maximum error: 0.8% of full scale
AQ275556502253en-000101 / 130R0706| 135
30 mA
100 Hz
2/1
29 (1) , 33
32, 33 (2)
4 Hz
28 V DC
1
42
500 Ω
8 bit