FB_BA_DlyOff

The template implements a switch-off delay and can be used for the overrun control of pumps.

	The initialization of the template takes place within the method FB_Init.

Block diagram

Syntax

FUNCTION_BLOCK FB_BA_DlyOff EXTENDS FB_BA_View
VAR_INPUT
  bVal         : BOOL;
END_VAR
VAR_OUTPUT
  bQ           : BOOL;
  nRT          : UDINT;
END_VAR
VAR_INPUT CONSTANT
  TiDly        : FB_BA_AV_Op;
END_VAR
VAR
  tofDlyOff    : TOF;
END_VAR

Inputs

Name	Type	Description
bVal	BOOL	A falling edge activates the switch-off delay.

Outputs

Name	Type	Description
bQ	BOOL	State of the switch-off delay.
nRT	UDINT	Remaining time of the switch-off delay. After this time has elapsed, bQ is set to FALSE.

Inputs CONSTANT

Name	Type	Description
TiDly	FB_BA_AV_Op	AV object for entering the value of the switch-off delay.

Variables

Name	Type	Description
tofDlyOff	TOF	The timing element is the core of this template for switch-off delay.

Requirements

Development environment	Necessary function
TwinCAT from v3.1.4024.35	TF8040 \| TwinCAT Building Automation from V5.0.0.0