//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/ 0750656794-CH023.3D – 260 – [247–264/18]
19.6.2004 9:18PM
Principleofoperation
1.Line0
C235isselectedasthehigh-speedcounter.
2.Line6
CounterC235isresetbyeitherthemanualoperationofInputX7,orwhenTimerT0
timesoutattheendofeachcompletecycleofthemotor’sspeedandposition.
3.Line10
TheoperationofInputX1willoperateM0,providedthemotorisnotincreepspeed
orthebrakeisON.M0willnowlatchoveritsowncontact.
4.Line15
TheclosureofM0willsettheOutputY0andthiswillcausethemotortostartand
accelerateuptoitshigh-speedsetting.Themotorwillnowrotateathighspeed.
5.Whilethemotorisrunning,theencoderwillbeoutputtingpulsestotheInputX0,
wheretheyarebeingcountedbythehigh-speedCounterC235.
6.Line17
(a)Whenthenumberofpulsesreceivedfro ...