Table of Contents
Tracking PI Selector
Full Name
Lib.Mervis.v1_0.TrackingPiSelector
Required Project References
- Lib.Mervis
Description
This auxiliary block is used for selecting a PI controller in tracking mode.
Usage in ST
program test
var
trackingSelector: lib.mervis.v1_0.TrackingPiSelector;
end_var
trackingSelector();
end_program
Inputs
| Name | Data Type | Allowed Range | Retain | Required | Meaning | |
| Input1 | real | No | Yes | Output of the first PI controller | ||
| Input2 | real | No | Yes | Output of the second PI controller | ||
| TrackingFunction | TrackingFunctionType | No | No | Selection choice - minimum or maximum | ||
| Input1Threshold | real | No | No | Threshold for switching to the first PI controller | ||
| Input2Threshold | real | No | No | Threshold for switching to the second PI controller |
Outputs
| Name | Data Type | Meaning | |
| TrackCommand1 | bool | Control of the tracking mode for the first controller - input TrackingEnable | |
| TrackCommand2 | bool | Control of the tracking mode for the second controller - input TrackingEnable | |
| Output | real | Output, also needs to be connected to the TrackingValue input of the PI controller |
Detailed Function Description
This functional block selects which PI controller should be used in tracking mode based on the specified thresholds and tracking function. It provides commands to switch the tracking mode on or off for each PI controller and outputs the value that should be tracked.