Timer On Delay (TON) Timer Description

TON Timer Description :

• TON Timer instruction to set Time Delay of the output by set PT Time of Timer. 
• Input Changes From 0 to 1 (positive signal edge) Timer PT time Start.
• When PT Time Equal to Elapsed Time Output Change From 0 to 1 (Output ON).
• Output Remain On as long as Input is ON.
• When Input Change from 1 to 0 Output change from 1 to 0 (Output OFF).
• Timer Starts when new positive edge detect at input side.
• Current Time Store at ET Output.
• TON Timer Starts at Set PT Time and ends when PT Time Equal to ET Time.
•  ET Output Reset when input changes from 1 to 0.

TON Timer Parameters :

Parameters	Declaration	Description
IN	Input	Start input
PT	Input	Duration of the on-delay
Q	Output	Output that is set when the time PT expires
ET	Output	Current time value

TON Timer Timing Diagram :

TON Timer

TON Timer Example :

• Start PB change from 0 to 1 TON Timer Preset Time Start.
• When PT Time Completed Motor Changes From 0 to 1 (Motor ON).
• Motor set to on as long as Start PB ON.
• When Start PB Change from 1 to 0 Motor change from 1 to 0 (Motor OFF).