Danfoss vlt FC 102 Programming Guide

5-42 O Delay, Relay
Array[20]
Range: Function:
0.01 s* [0.01 - 600 s] Enter the delay of the relay cutout
time. Select 1 of 2 internal
mechanical relays in an array
function. See
parameter 5-40 Function Relay for
details. If the selected event
condition changes before a delay
timer expires, the relay output is
unaected.
Selected
Event
Relay
output
On Delay
P 5-41
O Delay
P 5-42
130BA172.10
Illustration 3.27 O Delay, Relay
If the selected event condition changes before the on
delay or o delay timer expires, the relay output is
unaected.
3.7.12 5-5* Pulse Input
The pulse input parameters are used to dene an
appropriate window for the impulse reference area by
conguring the scaling and lter settings for the pulse
inputs. Input terminal 29 or 33 acts as frequency reference
inputs. Set terminal 29 (parameter 5-13 Terminal 29 Digital
Input) or terminal 33 (parameter 5-15 Terminal 33 Digital
Input) to [32] Pulse input. If terminal 29 is used as an input,
set parameter 5-02 Terminal 29 Mode to [0] Input.
130BA076.10
(RPM)
Ref.
Low freq.
P 5-50/
P 5-55
Input
(Hz)
High
ref.
value
P 5-53/
p 5-58
High freq.
P 5-51/
P 5-56
Low
ref.
value
P 5-52/
p 5-57
Illustration 3.28 Pulse Input
5-50 Term. 29 Low Frequency
Range: Function:
100 Hz* [0 - 110000
Hz]
Enter the low frequency limit
corresponding to the low motor
shaft speed (that is low reference
value) in parameter 5-52 Term. 29
Low Ref./Feedb. Value. Refer to
Illustration 3.28 in this section.
5-51 Term. 29 High Frequency
Range: Function:
100 Hz* [0 - 110000
Hz]
Enter the high frequency limit
corresponding to the high motor
shaft speed (that is high reference
value) in parameter 5-53 Term. 29
High Ref./Feedb. Value.
5-52 Term. 29 Low Ref./Feedb. Value
Range: Function:
0 Referen-
ceFeedback
Unit*
[-999999.999
- 999999.999
Reference-
FeedbackUnit]
Enter the low reference value limit
for the motor shaft speed [RPM].
This is also the lowest feedback
value, see also parameter 5-57 Term.
33 Low Ref./Feedb. Value.
5-53 Term. 29 High Ref./Feedb. Value
Range: Function:
100
Reference-
FeedbackU
nit*
[-999999.999
- 999999.999
Reference-
FeedbackUnit]
Enter the high reference value
[RPM] for the motor shaft speed
and the high feedback value, see
also parameter 5-58 Term. 33 High
Ref./Feedb. Value.
5-54 Pulse Filter Time Constant #29
Range: Function:
100 ms* [5 - 1000 ms]
NOTICE
This parameter cannot be
adjusted while the motor is
running.
Enter the pulse lter time constant.
The pulse lter dampens
oscillations of the feedback signal,
which is an advantage if there is a
lot of noise in the system. A high
time constant value results in better
dampening, but also increases the
time delay through the lter.
Parameter Descriptions Programming Guide
M0010001 Danfoss A/S © 10/2019 All rights reserved. 101
3 3

Danfoss vlt FC 102 Specifications

General

Category	DC Drives
Model	Danfoss VLT FC 102
Output voltage range	0 to rated motor voltage
Power range	0.37 kW to 200 kW
Communication interfaces	RS-485
Protection features	Overvoltage, undervoltage, overcurrent, short circuit, earth fault, overtemperature, motor thermal protection
Cooling method	Air-cooled
Enclosure rating	IP20, IP21, IP55 (depending on model)
Approvals	CE, UL, cUL