Danfoss VLT FC 100 Series Programming Manual page 168

3. Parameter Description
[124] CFM
[125] 3
ft /s
[126]
ft 3 /min
[127] ft 3 /h
[130] lb/s
[131] lb/min
[132] lb/h
3
[140] ft/s
[141] ft/min
[145] ft
[160] °F
[170] psi
[171]
lb/in 2
[172] in WG
[173] ft WG
[180] HP
21-11 Ext. 1 Minimum Reference
Range:
*
0.000 ExtPID1Unit
999999.999 ExtPID1Unit]
21-12 Ext. 1 Maximum Reference
Range:
100.000 ExtPID1Unit
999999.999 ExtPID1Unit]
21-13 Ext. 1 Reference Source
Option:
* No function
[0]
[1] Analog input 53
[2] Analog input 54
[7] Frequency input 29
[8] Frequency 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
[30] Ext. Closed Loop 1
[31] Ext. Closed Loop 2
[32] Ext. Closed Loop 3
168
Function:
Select the minimum for the Closed Loop 1 Controller.
[-999999.999 -
Function:
* Select the maximum for the Closed Loop 1 Controller.
[Par. 21-11 -
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.
MG.11.C5.02 - VLT
®
VLT HVAC Drive Programming Guide
® is a registered Danfoss trademark