FB_BA_SubAV_Op

FB_BA_SubAV_Op 1:

The function block allows to subscribe to an analog value object to display an analog value.

Inheritance hierarchy

FB_BA_Base

    FB_BA_Subscriber

        FB_BA_SubA

Syntax

FUNCTION_BLOCK FB_BA_SubAV_Op EXTENDS FB_BA_SubA
VAR_INPUT
  sTarget                   : T_BA_MedString;
  tReadInterval             : TIME;
  tReadTolerance            : TIME;
  bClearOnReadError         : BOOL;
END_VAR

VAR_OUTPUT
  bError                    : BOOL;
  fPresentValue             : REAL;
END_VAR

FB_BA_SubAV_Op 2: 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.

FB_BA_SubAV_Op 3: 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.

fPresentValue

REAL

Current analog output value of the object.

Requirements

Development environment

Required PLC library

TwinCAT from v3.1.4024.35

Tc3_XBA from v5.3.0.0