Danfoss VLT Decentral Drive FCD 302 Operating Manual page 49

Specifications
Pulse/encoder inputs
Programmable pulse/encoder inputs
Terminal number pulse/encoder
Maximum frequency at terminal 29, 32, 33
Maximum frequency at terminal 29, 32, 33
Minimum frequency at terminal 29, 32, 33
Voltage level
Maximum voltage on input
Input resistance, R
i
Pulse input accuracy (0.1–1 kHz)
Encoder input accuracy (1–110 kHz)
The pulse and encoder inputs (terminals 29, 32, 33) are galvanically isolated from the supply voltage (PELV) and other high-
voltage terminals.
1) Pulse inputs are 29 and 33
2) Encoder inputs: 32=A, and 33=B
Analog output
Number of programmable analog outputs
Terminal number
Current range at analog output
Maximum load GND - analog output less than
Accuracy on analog output
Resolution on analog output
The analog output is galvanically isolated from the supply voltage (PELV) and other high-voltage terminals.
Control card, RS485 serial communication
Terminal number
Terminal number 61
The RS485 serial communication circuit is functionally separated from other central circuits and galvanically isolated from the
supply voltage (PELV).
Digital output
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 outputs
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.
Control card, 24 V DC output
Terminal number
Output voltage
Maximum load
The 24 V DC supply is galvanically isolated from the supply voltage (PELV), but has the same ground potential as the analog and
digital inputs and outputs.
MG04F502
Operating Guide
Danfoss A/S © 11/2016 All rights reserved.
1) 2)
29, 33 /32
110 kHz (Push-pull driven)
5 kHz (open collector)
See Digital Inputs in this section
28 V DC
Approximately 4 kΩ
Maximum error: 0.1% of full scale
Maximum error: 0.05% of full scale
0/4 to 20 mA
500 Ω
Maximum error: 0.5% of full scale
12 bit
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Common for terminals 68 and 69
27, 29
0–24 V
40 mA
10 nF
32 kHz
Maximum error: 0.1% of full scale
12 bit
12, 13
24 V +1, -3 V
600 mA
2/1
2)
, 33
4 Hz
7 7
1
42
2
1)
1 kΩ
0 Hz
47