Danfoss VLT AutomationDrive FC 301 Programming Manual page 266
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VLT AutomationDrive FC 301/302
Programming Guide
Parameter 7-46 Process PID Feed Fwd Normal/Inv. Ctrl.
Table 477: Parameter 7-46 Process PID Feed Fwd Normal/Inv. Ctrl.
7-46 Process PID Feed Fwd Normal/Inv. Ctrl.
Default value: [0] Normal
Conversion index: –
Option
Name
Description
[0]*
Normal
Select [0] Normal to set the feed-forward factor to treat the FF resource as a positive value.
[1]
Inverse
Select [1] Inverse to treat the feed-forward resource as a negative value.
Parameter 7-48 PCD Feed Forward
Table 478: Parameter 7-48 PCD Feed Forward
7-48 PCD Feed Forward
Default value: 0
Conversion index: 0
This parameter contains the value of parameter 7-45 Process PID Feed Fwd Resource, [32] Bus PCD.
Parameter 7-49 Process PID Output Normal/Inv. Ctrl.
Table 479: Parameter 7-49 Process PID Output Normal/Inv. Ctrl.
7-49 Process PID Output Normal/Inv. Ctrl.
Default value: [0] Normal
Conversion index: –
Option
Name
Description
[0]*
Normal
Select [0] Normal to use the resulting output from the process PID controller as is.
[1]
Inverse
Select [1] Inverse to invert the resulting output from the process PID controller. This operation is performed
after the feed-forward factor is applied.
5.8.8 7-5* Ext. Process PID Ctrl.
This parameter group is only used if parameter 1-00 Configuration Mode is set to [7] Extended PID speed CL or [8] Extended PID Speed
OL.
Parameter 7-50 Process PID Extended PID
Table 480: Parameter 7-50 Process PID Extended PID
7-50 Process PID Extended PID
Default value: [1] Enabled
Conversion index: –
Option
Name
[0]
Disabled
[1]*
Enabled
266 | Danfoss A/S © 2022.12
Parameter type: Option
Data type: Uint8
Parameter type: Range, 0 - 65535
Data type: Uint16
Parameter type: Option
Data type: Uint8
Parameter type: Option
Data type: Uint8
Description
Disable the extended parts of the process PID controller.
Enable the extended parts of the PID controller.
Parameter Descriptions
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
AU275636650261en-000101 / 130R0334
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