July 2004
Intermediate to advanced
352 pages
9h 30m
English
Content preview from Mitsubishi FX Programmable Logic Controllers, 2nd Edition
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//INTEGRAS/ELS/PAGINATION/ELSEVIER UK/PLC/3B2/FINALS-7-6-04/ 0750656794-CH023.3D – 257 – [247–264/18]
19.6.2004 9:18PM
Principleofoperation^HSC2
1.Line0
InputX7orMemoryCoilM8002–RUNpulseisusedtoresetC235.
2.Line4
(a)Thecoilofthehigh-speedCounterC235isenergisedandhenceInputX0
isautomaticallyassignedasthehigh-speedinput.ThevalveofK30isa
dummyvalue,whichwillneverbereached,asthecounterisalwaysresetata
valueof10.
(b)InputpulsescannowbeappliedtoInputX0andC235willcountup.
(c)WhenthecountinC235reachesavalueof10,thenC235itselfresetsbackto0.
3.Line23
(a)WhenthecountinC235reaches5,thenM2willturnON,sincethecountis
greaterthan4.
(b)M2willstayONuntilthecounterreaches1
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