Danfoss VLT FC 100 Series Programming Guide

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] Frequency Input 29
[4] Frequency 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
[100] Bus Feedback 1
[101] Bus Feedback 2
[102] Bus Feedback 3
21-15 Ext. 1 Setpoint
Range: Function:
0.000 ExtPID1Unit * [-999999.999 -
999999.999 ExtPID1Unit]
The setpoint reference is used in extended 1 closed loop. Ext.1 Setpoint is added to the value from the Ext.1
Reference source selected in par. 21-13.
21-17 Ext. 1 Reference [Unit]
Range: Function:
0.000 ExtPID1Unit * [-999999.999 -
999999.999 ExtPID1Unit]
Readout of the reference value for the Closed Loop 1 Controller.
21-18 Ext. 1 Feedback [Unit]
Range: Function:
0.000 ExtPID1Unit * [-999999.999 -
999999.999 ExtPID1Unit]
Readout of the feedback value for the Closed Loop 1 Controller.
21-19 Ext. 1 Output [%]
Range: Function:
0 % * [0 - 100%]
Readout of the output value for the Closed Loop 1 Controller.
3.19.4. 21-2* Closed Loop 1 PID
Configure the Closed Loop 1 PID controller.
21-20 Ext. 1 Normal/Inverse Control
Option: Function:
[0] *
Normal Select Normal [0] if the output should be reduced when feedback is higher than the reference.
[1] Inverse Select
Inverse [1] if the output should be increased when feedback is higher than the reference.
VLT
®
HVAC Drive Programming Guide 3. Parameter Description
MG.11.C5.02 - VLT
®
is a registered Danfoss trademark 169
3

Danfoss VLT FC 100 Series Specifications

General

Brand	Danfoss
Model	VLT FC 100 Series
Category	DC Drives
Language	English