Pulse/Encoder Inputs; Digital Outputs - Danfoss VLT Decentral Drive FCD 302 Operating Manual

VLT® Decentral Drive FCD 302
Operating Guide
2
+24V
18
37
1
RS485
Illustration 29: Analog Inputs
1 Functional isolation
2 Control
3 PELV isolation

7.6.4 Pulse/Encoder Inputs

Programmable pulse/encoder inputs
Terminal number pulse/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)
FC 302 only.
1
Pulse inputs are 29 and 33.
2
Encoder inputs: 32=A, 33=B.
3
The pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-voltage
terminals.

7.6.5 Digital Outputs

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
Danfoss A/S © | 2020.07
3
4
5
6
4 Mains
5 High voltage
6 Motor
AQ267036816112EN-000101 / 130R0208 | 63
Specifications
29 , 33 /32
(1) (2) (3)
110 kHz (Push-pull driven)
5 kHz (Open collector)
See 7.6.1 Digital Inputs.
28 V DC
Approximately 4 kΩ
Maximum error: 0.1% of full scale
Maximum error: 0.05% of full scale
27, 29
0–24 V
40 mA
32 kHz
Maximum error: 0.1% of full scale
2/1
, 33
(3)
4 Hz
2
(1)
1 kΩ
10 nF
0 Hz