21-10 Ext. 1 Ref./Feedback Unit
Select the unit to be used with closed loop 1.
Option:
Function:
[130]
lb/s
[131]
lb/min
[132]
lb/h
[140]
ft/s
[141]
ft/min
[145]
ft
[160]
°F
[170]
psi
[171]
lb/in²
[172]
in WG
[173]
ft WG
[180]
HP
21-11 Ext. 1 Minimum Reference
Range:
Function:
0
ExtPID1Uni
t
*
[ -999999.999
- par. 21-12
ExtPID1Unit]
This parameter sets the minimum
value that can be obtained by the
sum of the setpoint and reference.
21-12 Ext. 1 Maximum Reference
Range:
Function:
100
ExtPID1Uni
t
[ par. 21-11 -
999999.999
ExtPID1Unit]
This parameter sets the maximum
value that can be obtained by the
sum of the setpoint and reference.
21-13 Ext. 1 Reference Source
This parameter defines which input on the frequency converter
should be treated as the source of the reference signal.
Option:
Function:
[0]
*
No function
[1]
Analog Input
53
[2]
Analog Input
54
[7]
Frequency
input 29
[8]
Frequency
input 33
[11]
Local bus
reference
[20]
Digital
pot.meter
[21]
Analog input
X30/11
[22]
Analog input
X30/12
[30]
Option
Reference
[32]
Bus PCD
21-14 Ext. 1 Feedback Source
This parameter defines which input on the frequency converter
should be treated as the source of the feedback signal.
Option:
Function:
[0]
*
No function
[1]
Analog Input
53
[2]
Analog Input
54
[3]
Frequency
input 29
[4]
Frequency
input 33
[7]
Analog Input
X30/11
[8]
Analog Input
X30/12
21-15 Ext. 1 Setpoint
Range:
Function:
0
ExtPID1Uni
t
*
[ par. 21-11 -
par. 21-12
ExtPID1Unit]
This parameter is used as the
reference for comparing feedback
values. The setpoint can be offset
with digital, analog, or bus
references.
21-17 Ext. 1 Reference [Unit]
Range:
Function:
0
ExtPID1Uni
t
*
[-999999.999
- 999999.999
ExtPID1Unit]
Return the resulting reference value.
21-18 Ext. 1 Feedback [Unit]
Range:
Function:
0
ExtPID1Uni
t
*
[-999999.999
- 999999.999
ExtPID1Unit]
Return the feedback value.
21-19 Ext. 1 Output [%]
Range:
Function:
0 %
*
[0 - 100 %]
Return the extended closed loop 1
PID controller output value.
21-20 Ext. 1 Normal/Inverse Control
Select
[0] Normal
if the controller output should be reduced
when the feedback is higher than the reference. Select
[1] Inverse
if the output should be increased when the feedback is higher
than the reference.
Option:
Function:
[0]
*
Normal
[1]
Inverse
Parameter Descriptions
VLT® AutomationDrive FC 361
152
Danfoss A/S © 03/2019 All rights reserved.
MG06J202
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Summary of Contents for VLT AutomationDrive FC 361
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