Danfoss VLT Flow Drive FC 111 User Manual

Set the minimum allowable feedback value during the auto-tuning sequence.
Table 371: Range:
Min: -4999.000
Max: 4999.000 ProcessCtrlUnit
Default value: -4999.000 ProcessCtrlUnit
20-74 Maximum Feedback Level
Default value: 4999.000 ProcessCtrlUnit
Parameter type: Range
2-setup: 1 setup
Conversion index: -3
Data type: int32
Change during operation: True
Set the maximum allowable feedback value during the auto-tuning sequence.
Table 372: Range:
Min: -4999.000
Max: 4999.000 ProcessCtrlUnit
Default value: 4999.000 ProcessCtrlUnit
20-79 PI Autotuning
Default value: [0] Disabled
Parameter type: Option
2-setup: 1 setup
Conversion index: -
Data type: u_int8
Change during operation: True
Table 373: Option:
[0]
Disabled
Select to disable PI auto-tuning.
[1]
Enabled
Select to enable PI auto-tuning.
4.15.5 20-8* PI Basic Settings
20-81 PI Normal/ Inverse Control
Default value: [0] Normal
Parameter type: Option
2-setup: All setups
Conversion index: -
Data type: u_int8
Change during operation: True
Table 374: Option:
[0]
Normal
Set the process control to increase the output speed when the process error is positive.
[1]
Inverse
Reduce the output speed when the process error is positive.
20-83 PI Start Speed [Hz]
Default value: 0 Hz
Parameter type: Range
2-setup: All setups
Conversion index: -1
Data type: u_int16
Change during operation: True
Enter the motor speed to be attained as a start signal for commencement of PI control. After power-up, the drive operates using
speed open-loop control. When the process PI start speed is reached, the drive changes to PI control.
Table 375: Range:
Min: 0 Hz
Max: 200.0 Hz
Default value: 0 Hz
20-84 On Reference Bandwidth
Default value: 5%
Parameter type: Range
2-setup: All setups
Conversion index: 0
Data type: u_int8
Change during operation: True
Enter the On Reference bandwidth. When the PI Control Error (the difference between the reference and the feedback) is greater
than the value of this parameter, then the On Reference status bit is set high (1).
AU363928304090en-000101 / 130R0982 | 163Danfoss A/S © 2021.07
Parameters
VLT® Flow Drive FC 111
Programming Guide

Danfoss VLT Flow Drive FC 111 Specifications

General

Brand	Danfoss
Model	VLT Flow Drive FC 111
Category	DC Drives
Language	English