+24V
RS485
18
37
130BD007.10
1
3
4
6
2
5
Illustration 8.1 Analog Inputs
Item
Description
1
Functional isolation
2
Control
3
PELV isolation
4
Mains
5
High voltage
6
Motor
Table 8.4 Legend
Pulse/encoder inputs
Programmable pulse/encoder inputs
2/1
Terminal number pulse/encoder
29, 33
1)
/32
2)
, 33
2)
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 Digital Inputs
Maximum voltage on input
28 V DC
Input resistance, R
i
approx. 4 k
Ω
Pulse input accuracy (0.1 to 1 kHz)
Max. error: 0.1% of full scale
Encoder input accuracy (1 to 110 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) Pulse inputs are 29 and 33
2) Encoder inputs: 32=A, and 33=B
Analog output
Number of programmable analog outputs
1
Terminal number
42
Current range at analog output
0/4 to 20 mA
Maximum load GND - analog output less than
500
Ω
Accuracy on analog output
Maximum 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, RS485 serial communication
Terminal number
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Terminal number 61
Common for terminals 68 and 69
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
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 k
Ω
Max. capacitive load at frequency output
10 nF
Minimum output frequency at frequency output
0 Hz
Maximum output frequency at frequency output
32 kHz
Specifications
VLT
®
Decentral Drive FCD 302
76
Danfoss A/S © 05/2016 All rights reserved.
MG04F402
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