FC_EtStateToString

FC_EtStateToString - General Information

Overview

Task

Convert the status messages of the FB_SmartInfeedModule to a string.

Description

The status message i_etState of the SmartInfeed module from the enumeration list ET_State is converted to a string.

Interface

Input	Data type	Description
i_etState	ET_State	The status to be converted

Output	Data type	Description
q_etDiag	GD.ET_Diag	General, library-independent statement on the diagnostic A value unequal GD.ET_Diag.Ok equates an error message.
q_etDiagExt	ET_DiagExt	POU-specific output on the diagnostic q_etDiag = GD.ET_Diag.Ok -> status message q_etDiag <> GD.ET_Diag.Ok -> error message

Output

Data type

Description

q_etDiag

General, library-independent statement on the diagnostic

A value unequal GD.ET_Diag.Ok equates an error message.

q_etDiagExt

POU-specific output on the diagnostic

q_etDiag = GD.ET_Diag.Ok -> status message

q_etDiag <> GD.ET_Diag.Ok -> error message

Return Value

Data type	Description
STRING[80]	The status converted to a string

Diagnostic Messages

q_etDiag	q_etDiagExt	Enumeration value	Description
OK	Ok	0	Ok
InputParameterInvalid	StateUnknown	31	The status is indeterminable.

The state has successfully been converted to a string.

StateUnknown

Enumeration name:	StateUnknown
Enumeration value:	31
Description:	The status is indeterminable.

Issue	Cause	Solution
-	An indeterminable state was transferred at the i_etState input.	Ensure that only elements from the ET_State list are transferred at the i_etState input.