PLS

 Function Block - Pulse signal generator.

On every period, the output is set to TRUE during one cycle only.

Inputs

Input	Data Type See Data Types.	Range	Unit	Default	Description
RUN	BOOL	FALSE, TRUE			Enabling command.
CYCLE	TIME				Signal period.

Outputs

Output	Data Type See Data Types.	Range	Unit	Description
Q	BOOL	FALSE, TRUE		Output pulse signal.

Time Diagram

FBD Language Example

FFLD Language Example

• In the FFLD Language, the input rung is the IN command.
  • The output rung is the Q output.

IL Language Example

Not available.

ST Language Example

(* MyPLS is a declared instance of PLS function block. *)
MyPLS (RUN, CYCLE);
Q := MyPLS.Q;

See Also

• TOF / TOFR
• TON
• TP / TPR