FB_BA_SubSchedM

The function block allows to subscribe to a multi-state scheduler object.

Inheritance hierarchy

FB_BA_Base

FB_BA_Subscriber

Syntax

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

VAR_OUTPUT
  bError                    : BOOL;
  nPresentValue             : UDINT;
  nPredictedValue           : UDINT;
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

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.
nPresentValue	UDINT	Analog output value.
nPredictedValue	UDINT	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.

nPresentValue

UDINT

Analog output value.

nPredictedValue

UDINT

Value that is assumed after the next switching.

Properties

Name	Type	Access	Description
StateCount	UDINT	Get	Number of possible states.
StateText	T_BA_StateTextArray	Get	Output of the state text.

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