[SHORT] V-XOUT=~ V-SP=~ V-TD= V-CNT=~ V-M0=~ V-TI1=~ V-AUTO= V-CL_OUT=~ V-TI=~ V-OL_OUT=~ V-NEWVAR=~ V-OL_OUT1=~ V-TMR1=~ V-XOUT_MANUAL=~ V-TS= V-TD1=~ V-KP=~ [LONG] V-XOUT=Output of PID_simple V-SP=Set point V-TD=Derivation factor V-CNT=loop counter P-INIT_PROCESS=do some init steps V-M0=to control the simulated loop V-TI1=~ V-AUTO=FALSE : manual mode , TRUE : normal mode V-CL_OUT=simulated close loop process output V-TI=Integration factor A-= V-OL_OUT=simulated open loop process output V-NEWVAR=~ P-OLPROCES=simulated open loop process V-OL_OUT1=~ P-CLPROCES=simulated close loop process V-TMR1=~ V-XOUT_MANUAL=ouput value in manual mode V-TS=Sampling period V-TD1=~ V-KP=Gain