FB_BA_SubMV_Op

FB_BA_SubMV_Op 1:

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

Inheritance hierarchy

FB_BA_Base

    FB_BA_Subscriber

        FB_BA_SubM

Syntax

FUNCTION_BLOCK FB_BA_SubBV_Op EXTENDS FB_BA_SubM
VAR_INPUT
  sTarget                   : T_BA_MedString;
  tReadInterval             : TIME;
  tReadTolerance            : TIME;
  bClearOnReadError         : BOOL;
END_VAR

VAR_OUTPUT
  bError                    : BOOL;
  nPresentValue             : UDINT;
END_VAR

FB_BA_SubMV_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_SubMV_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.

nPresentValue

UDINT

Analog output value.

Requirements

Development environment

Required PLC library

TwinCAT from v3.1.4024.35

Tc3_XBA from v5.3.0.0