how to program Power Delay on and Power loss delay off PLC ladder diagram

When the X0 is turned on, the timer T1 starts to delay, after 2S Timer T1 normally open contact closure (set point signal), hold instruction make the Y0 power and hold; When the X0 is off, the timer switch on T2 (normally open contacts at Y0) start delay, 4S timer T2 normally open contacts (reset signal), Y0 power loss

 http://www.plchelpcenter.com/2016/07/11/how-to-program-power-delay-on-and-power-loss-delay-off-plc-ladder-diagram.html

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