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Select which frequency converter input should be treated as the source of the first of these signals. The second
input signal is defined in par. 7-22.
[0]
*
No function
[1]
Analog input 53
[2]
Analog input 54
[3]
Frequency input 29 (FC
302 only)
[4]
Frequency input 33
[5]
Bus feedback 1
[6]
Bus feedback 2
[7]
Analog input X30/11
[8]
Analog input X30/12
7-22 Process CL Feedback 2 Source
Option:
Function:
The effective feedback signal is made up of the sum of up to two different input signals. Select which frequency
converter input should be treated as the source of the second of these signals. The first input signal is defined
in par. 7-21.
[0]
*
No function
[1]
Analog input 53
[2]
Analog input 54
[3]
Frequency input 29 (FC
302 only)
[4]
Frequency input 33
[5]
Bus feedback 1
[6]
Bus feedback 2
[7]
Analog input X30/11
[8]
Analog input X30/12
2.10.4. 7-3* Process PID Ctrl.
Parameters for configuring the Process PID control.
7-30 Process PID Normal/ Inverse Control
Option:
Function:
Normal and inverse control are implemented by introducing a difference between the reference signal and the
feedback signal.
[0]
*
Normal
Sets process control to increase the output frequency.
[1]
Inverse
Sets process control to reduce the output frequency.
7-31 Process PID Anti Windup
Option:
Function:
[0]
*
Off
Ceases regulation of an error when the output frequency can no longer be adjusted.
[1]
On
Continues regulation of an error even when the output frequency cannot be increased or decreased.
7-32 Process PID Start Speed
Range:
Function:
0 RPM
*
[0 - 6000 RPM]
Enter the motor speed to be attained as a start signal for commencement of PID control. When the power is
switched on, the frequency converter will commence ramping and then operate under speed open loop control.
Thereafter, when the Process PID start speed is reached, the frequency converter will change over to Process
PID control.
FC 300 Programming Guide
2. How to Programme
MG.33.M3.02 - VLT
®
is a registered Danfoss trademark
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