EXPERTGetImmediateValue: Read Counter Value of HSC or Encoder Function

Function Description

This administrative function permits to read the counter value of an HSC or Encoder bypassing the controller cycle.

Graphical Representation

IL and ST Representation

To see the general representation in IL or ST language, refer to Function and Function Block Representation.

I/O Variables Description

This table describes the input variables:

Inputs	Type	Comment
EXPERT_REF_IN	EXPERT_REF	Reference to the EXPERT function block.
Execute	BOOL	On rising edge, starts the function block execution. On falling edge, resets the outputs of the function block when its execution terminates.

This table describes the output variables:

Outputs	Type	Comment
EXPERT_REF_OUT	EXPERT_REF	Reference to the EXPERT function block.
Done	BOOL	TRUE = indicates that ExpertDiag is valid. Function block execution is finished.
Error	BOOL	TRUE = indicates that an error was detected.
ErrID	IMMEDIATE_FUNC_ERR_TYPE	When Error is TRUE: type of the detected error.
ImmediateValue	DINT	Contains the counter value.

Adding the EXPERTGetImmediateValue Function Block

Step	Description
1	Select the Libraries tab in the Software Catalog and click Libraries. Select Controller > LMC058 > LMC058 Expert IO > Administrative > EXPERTGetImmediateValue in the list, drag-and-drop the item onto the POU window.
2	Link the EXPERT_REF_IN input to the HSC_REF output of the HSC.

Step

Description

Select the Libraries tab in the Software Catalog and click Libraries.

Select Controller > LMC058 > LMC058 Expert IO > Administrative > EXPERTGetImmediateValue in the list, drag-and-drop the item onto the POU window.

Link the EXPERT_REF_IN input to the HSC_REF output of the HSC.