21-10 Ext. 1 Ref./Feedback Unit
Option:
Function:
[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:
Function:
0.000 ExtPID1Unit
*
[-999999.999 - par.
21-12 ExtPID1Unit]
Select the minimum
for the Closed Loop 1
Controller.
21-12 Ext. 1 Maximum Reference
Range:
Function:
100.000
ExtPID1Unit
*
[par. 21-11 -
999999.999
ExtPID1Unit]
Select the maximum for the
Closed Loop 1 Controller.
The dynamics of the PID
controller will depend on the
value set in this parameter.
Please see also
NOTE
Always set the desired value for
before setting the values for the PID controller in
parameter group 20-9*.
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
21-14 Ext. 1 Feedback Source
Option:
Function:
This parameter defines which input
on the frequency converter should be
treated as the source of the feedback
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
[3]
Pulse input 29
[4]
Pulse input 33
[7]
Analog input X30/11
[8]
Analog input X30/12
[9]
Analog Input X42/1
[10]
Analog Input X42/3
[11]
Analog Input X42/5
[15]
Analog Input X48/2
[100] Bus feedback 1
[101] Bus feedback 2
[102] Bus feedback 3
Parameter Description
VLT
®
HVAC Drive Programming Guide
MG.11.CB.02 - VLT
®
is a registered Danfoss trademark
135
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