4.8. Parameter Group 7: Controllers
4.8.1. 7-** Controllers
Parameters group for configuring application controls.
4.8.2. 7-2* Process Ctrl. Feedb
Select feedback sources and handling for Process PI Control.
NB!
Set par. 3-15 to [0]
No Function
in order to use Analog Input as a feedback signal.
7-20 Process CL Feedback Resources
Option: Function:
Select input to function as feedback signal.
[0]
*
No Function
[1] Analog Input 53
[2] Analog Input 60
[8] Pulse Input 33
[11] Local Bus Ref.
4.8.3. 7-3* Process PI Control
7-30 Process PI Normal/Inverse Control
Option: Function:
[0]
*
Normal Feedback larger than setpoint result in a speed reduction.
Feedback less than setpoint result in a speed increase.
[1] Inverse Feedback larger than setpoint result in a speed increase.
Feedback less than setpoint result in a speed reduction.
7-31 Process PI Anti Windup
Option: Function:
[0] Disable Regulation of a given error will continue even when the output frequency cannot be increased/decreased.
[1]
*
Enable PI-controller ceases from regulating a given error when the output frequency cannot be increased/decreased.
7-32 Process PI Start Speed
Range: Function:
0.0 Hz
*
[0.0 - 200.0 Hz]
Until the set motor speed has been reached the frequency converter operates in Open Loop mode.
7-33 Process PI Proportional Gain
Option: Function:
[0.01]
*
0.00 - 10.00 Enter the value for the P proportional gain, i.e. the multiplication factor of the error between the set point and
the feedback signal.
Note! 0.00 = Off.
7-34 Process PI Integral Time
Range: Function:
9999.00 s
*
[0.10 - 9999.00 s]
The integrator provides an increasing gain at a constant error between the set point and the feedback signal.
The integral time is the time needed by the integrator to reach the same gain as the proportional gain.
4. Parameter Descriptions VLT
p
Micro Drive FC 51
42
MG.02.C4.02 - VLT
p
is a registered Danfoss trademark
4
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