Danfoss VLT Decentral Drive FCD 302 Operating Manual page 78

Specifications
+24V
18
37
1
RS485
Illustration 8.1 Analog Inputs
Pulse/encoder inputs
Programmable pulse/encoder inputs
Terminal number pulse/encoder
8 8 Max. frequency at terminal 29, 32, 33
Max. frequency at terminal 29, 32, 33
Min. frequency at terminal 29, 32, 33
Voltage level
Maximum voltage on input
Input resistance, R
Pulse input accuracy (0.1 to 1 kHz)
Encoder input accuracy (1 to 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
Max. output current (sink or source)
Max. load at frequency output
Max. capacitive load at frequency output
Minimum output frequency at frequency output
Maximum output frequency at frequency output
76
2
3
i
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®
VLT Decentral Drive FCD 302
Item
1
2
4 3
4
5
5
6
6
Table 8.4 Legend
Description
Functional isolation
Control
PELV isolation
Mains
High voltage
Motor
29, 33
110 kHz (Push-pull driven)
5 kHz (open collector)
see section Digital Inputs
approx. 4 kΩ
Max. error: 0.1% of full scale
Max. error: 0.05% of full scale
0/4 to 20 mA
Maximum error: 0.5% of full scale
68 (P, TX+, RX+), 69 (N, TX-, RX-)
Common for terminals 68 and 69
2/1
1) 2) 2)
/32 , 33
4 Hz
28 V DC
1
42
500 Ω
12 bit
2
1)
27, 29
0-24 V
40 mA
1 kΩ
10 nF
0 Hz
32 kHz
MG04F402