FB_BA_SubSchedA

The function block allows to subscribe to an analog scheduler object.

Inheritance hierarchy

FB_BA_Base

FB_BA_Subscriber

Syntax

FUNCTION_BLOCK FB_BA_SubSchedA EXTENDS FB_BA_Subscriber
VAR_INPUT
  sTarget                   : T_BA_MedString;
  tReadInterval             : TIME;
  tReadTolerance            : TIME;
  bClearOnReadError         : BOOL;
END_VAR

VAR_OUTPUT
  bError                    : BOOL;
  fPresentValue             : REAL;
  fPredictedValue           : REAL;
END_VAR

Inputs

Name	Type	Description
sTarget	T_BA_MedString	AMS NetId of the Publisher.
tReadInterval	TIME	Read interval [s].
tReadTolerance	TIME	Waiting time until a pending error is output [ms].
bClearOnReadError	BOOL	If TRUE, the data is deleted if an error occurs.

Outputs

VAR_OUTPUT
  bError                    : BOOL;
  fPresentValue             : REAL;
  fPredictedValue           : REAL;
END_VAR

Name	Type	Description
bError	BOOL	Displays the current error state of the subscription. Details can be found in the corresponding error message in the event of an error.
fPresentValue	REAL	Current analog output value of the object.
fPredictedValue	REAL	Value that is assumed after the next switching.

Name

Type

Description

bError

BOOL

Displays the current error state of the subscription.

Details can be found in the corresponding error message in the event of an error.

fPresentValue

REAL

Current analog output value of the object.

fPredictedValue

REAL

Value that is assumed after the next switching.

Properties

Name	Type	Access	Description
Unit	E_BA_Unit	Get	Unit.

Methods

Name	Description
GetData	Contains the subscribed data.

Requirements

Development environment	Required PLC library
TwinCAT from v3.1.4024.35	Tc3_XBA from v5.3.0.0

Further Information

GetData