Ext. Process Pid Ctrl - Danfoss VLT AutomationDrive EZ FC 321 Programming Manual

VLT® AutomationDrive EZ FC 321
Programming Guide
Option Name
[22] Analog input X30/12
[29] Analog input X48/2
[32] Bus PCD
Parameter 7-46 Process PID Feed Fwd Normal/Inv. Ctrl.
Table 400: 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 401: 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 402: 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.

4.8.8 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.
Danfoss A/S © 2021.08
Description
Selects a fieldbus reference configured by parameter 8-02 Control Word Source. Change parame-
ter 8-42 PCD Write Configuration for the bus used to make the feed forward available in parame-
ter 7-48 PCD Feed Forward. Use index 1 for feed forward [748] (and index 2 for reference [1682]).
Parameter type: Option
Data type: Uint8
Parameter type: Range, 0 - 65535
Data type: Uint16
Parameter type: Option
Data type: Uint8
Parameter Descriptions
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
Setup: All setups
Change during operation: True
AU373327181955en-000101 / 130R1208 | 201