MLCompWriteRef

Pipe Network motion icon

 Function - Sets the reference position of a comparator block.

Inputs

Input

Data Type

Range

Unit

Default

Description

BlockID

DINT

-2147483648 to 2147483647

N/A

No default

ID number of an initiated Comparator object.

ThroughZero

BOOL

0, 1

N/A

No default

  • When TRUE, the system must cross zero and then the reference position before the Transition Flag is set.
  • When FALSE, the Transition Flag is set immediately if the input pipe position is greater then or equal to the Reference value.

Reference

LREAL

No range

User units

No default

New reference position to set in the selected Comparator object.

Outputs

Output

Data Type

Range

Unit

Description

Default (.Q)

BOOL

 

 

Returns TRUE when function starts to execute.

See Function - General Rules.

Remarks

  • The Transition Flag of a comparator object turns TRUE if the input position to the comparator is greater or equal to the reference.
  • The Comparator Transition Flag stays TRUE until it is reset.
  • If the input ThroughZero is set to TRUE, system must cross zero and then the reference position before the Transition Flag is set.
  • If ThroughZero is FALSE, Transition Flag is set immediately if the input pipe position is greater then or equal to the Reference value.

FBD Language Example

FFLD Language Example

IL Language Example

Not available.

ST Language Example

//Set the Comparator Reference value 
MLCompWriteRef( PipeNetwork.MyComp , TRUE , 45 );

See Also