Option Name
Description
[22]
Analog input X30/12
[29]
Analog input X48/2
[32]
Bus PCD
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 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
Parameter type: Option
Setup: All setups
Conversion index: –
Data type: Uint8
Change during operation: True
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
Parameter type: Range, 0 - 65535
Setup: All setups
Conversion index: 0
Data type: Uint16
Change during operation: True
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
Parameter type: Option
Setup: All setups
Conversion index: –
Data type: Uint8
Change during operation: True
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
.
AU373327181955en-000101 / 130R1208 | 201
Danfoss A/S © 2021.08
Parameter Descriptions
VLT® AutomationDrive EZ FC 321
Programming Guide