3.19.4 21-3* Closed Loop 2 Ref/Fb
21-30 Ext. 2 Ref./Feedback Unit
Option:
Function:
See
for
details
[0]
reference_feedback_unit_choices_None_textid
[1]
*
%
[5]
PPM
[10]
1/min
[11]
RPM
[12]
Pulse/s
[20]
l/s
[21]
l/min
[22]
l/h
[23]
m³/s
[24]
m³/min
[25]
m³/h
[30]
kg/s
[31]
kg/min
[32]
kg/h
[33]
t/min
[34]
t/h
[40]
m/s
[41]
m/min
[45]
m
[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
21-30 Ext. 2 Ref./Feedback Unit
Option:
Function:
[171] lb/in²
[172] in WG
[173] ft WG
[174] in Hg
[180] HP
21-31 Ext. 2 Minimum Reference
Range:
Function:
0.000 ExtPID2Unit
*
[-999999.999 - par.
21-32 ExtPID2Unit]
See
for details.
21-32 Ext. 2 Maximum Reference
Range:
Function:
100.000
ExtPID2Unit
*
[par. 21-31 -
999999.999
ExtPID2Unit]
See
for details.
21-33 Ext. 2 Reference Source
Option:
Function:
See
for
details.
[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
Parameter Description
VLT
®
HVAC Drive Programming Guide
MG.11.CB.02 - VLT
®
is a registered Danfoss trademark
137
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