ValveContinuous (FB)¶

FUNCTION_BLOCK ValveContinuous IMPLEMENTS IValveContinuous

Continuous valve.

Functionality¶

Simple continuous valve including an optional blocking protection.

If the valve is not opened for a given time tBpMaxOff, open it even if rSetpt = 0.0 for a given time tBpTime and the given position rBpPos.

InOut:

Scope	Name	Type	Initial	Comment
Input	`xEnable`	`BOOL`	TRUE	Enable
	`rSetpt`	`REAL`	0.0	Setpoint, 0..100(%) - 0% => closed, 100% => open
	`tBpMaxOff`	`TIME`	TIME#2880m0s0ms	Blocking protection maximum off time
	`tBpTime`	`TIME`	TIME#0ms	Blocking protection time, set to T#0S to disable blocking protection
	`rBpPos`	`REAL`	100.0	Blocking protection position, 0..100(%) - 0% => closed, 100% => open
	`xReset`	`BOOL`	FALSE	Reset
	`itfDateTimeProvider`	`Util.IDateTimeProvider`	Globals.g_dtpDateTimeProvider	Source for the current date and time information in milliseconds since 1.1.1970 00:00:00.000
Output	`rSetptOut`	`REAL`		Actual setpoint
	`xError`	`BOOL`		Error indication
	`eErrorID`	Error		Error ID
	`itfValveContinuous`	IValveContinuous		Output to connect THIS to other function block inputs

Properties:

DateTimeProvider

Enable

ErrorIdOut

ErrorOut

Reset

Setpoint

Structure: