FB_FlowEstimation - Update (Method)

Overview

Type:	Method
Available as of:	V1.6.0.0

This chapter provides information on:

Task
Description
Interface
Diagnostic Messages

Task

Update the flow estimation.

Description

The method Update verifies if the configured time period has elapsed and, if it is the case, it updates the flow estimation based on the number of Notify calls performed over the last time period.

NOTE: The internal timer is initialized on the first call of the Update method after the initialization or after a call of the Reset method.

Interface

Output	Data type	Description
q_etDiag	GD.ET_Diag	General library-independent statement on the diagnostic. A value unequal to ET_Diag.Ok corresponds to a diagnostic message.
q_etDiagExt	ET_DiagExt	POU-specific output on the diagnostic: q_etDiag = ET_Diag.Ok -> Status message q_etDiag <> ET_Diag.Ok -> Diagnostic message
q_sMsg	STRING(80)	Event-triggered message that gives additional information on the diagnostic state.

Diagnostic Messages

q_etDiag	q_etDiagExt	Enumeration value of q_etDiagExt	Description
Ok	Ok	0	Ok
ExecutionAborted	TimePeriodNotConfigured	176	The time period value is not configured.

Ok

Enumeration name:	Ok
Enumeration value:	0
Description:	Success

Status message: Reading the data was successful.

TimePeriodNotConfigured

Enumeration name:	TimePeriodNotConfigured
Enumeration value:	176
Description:	The time period value is not configured.

Issue	Cause	Solution
Updating was not possible.	The time period is not configured.	Make a successful call of SetTimePeriod before calling this method. Refer to FB_FlowEstimation - SetTimePeriod (Method).