Parameter Description
21-10 Ext. 1 Ref./Feedback Unit
Option:
[40]
m/s
[41]
m/min
[45]
m
3
3
[60]
°C
[70]
mbar
[71]
bar
[72]
Pa
[73]
kPa
[74]
m WG
[75]
mm Hg
[80]
kW
[120] GPM
[121] gal/s
[122] gal/min
[123] gal/h
[124] CFM
[125] ft³/s
[126] ft³/min
[127] ft³/h
[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
[174] in Hg
[180] HP
21-11 Ext. 1 Minimum Reference
Range:
0 ExtPID1Unit
*
21-12 Ext. 1 Maximum Reference
Range:
100
ExtPID1Unit
*
144
Programming Guide
Function:
Function:
[ -999999.999 - par.
Select the minimum
21-12 ExtPID1Unit]
reference for the Closed
Loop 1 Controller.
Function:
[ par. 21-11 -
Select the maximum reference
999999.999
for the Closed Loop 1
ExtPID1Unit]
Controller.
The dynamics of the PID
controller depend on the value
set in this parameter. See also
parameter 21-21 Ext. 1 Propor-
tional Gain.
Danfoss A/S © Rev. 2014-01-21 All rights reserved.
NOTICE
Always set the desired value for parameter 21-12 Ext. 1
Maximum Reference before setting the values for the PID
controller in parameter group 20-9* PID Controller.
21-13 Ext. 1 Reference Source
Option:
Function:
This parameter defines which input
on the frequency converter should be
treated as the source of the reference
signal for the Closed Loop 1
Controller. Analog input X30/11 and
Analog input X30/12 refer to inputs
on the General Purpose I/O.
[0]
No function
[1]
Analog Input 53
[2]
Analog Input 54
[7]
Pulse input 29
[8]
Pulse input 33
[20] Digital pot.meter
[21] Analog input X30/11
[22] Analog input X30/12
[23] Analog Input X42/1
[24] Analog Input X42/3
[25] Analog Input X42/5
[29] Analog Input X48/2
[30] Ext. Closed Loop 1
[31] Ext. Closed Loop 2
[32] Ext. Closed Loop 3
[35] Digital input select
MG20O702
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