PLC的应用外文文献翻译、中英文翻译、外文翻译.pdf

PLC的应用外文文献翻译、中英文翻译、外文翻译--第1页

ApplicationofPLC

PLCisonekindspeciallyforthedigitaloperationoperationelectronic

installationwhichappliesundertheindustryenvironmentdesigns.Itusesmaythe

codingmemory,usesforinitsinternalmemoryoperationandsoonactuatinglogic

operation,sequenceoperation,time,countingandarithmeticoperationinstructions,

andcanthroughdigitalorthesimulation-likeinputandtheoutput,controlseachtype

themachineryortheproductionprocess.PLCandtherelatedauxiliaryequipment

shouldaccordingtoformawholeeasywiththeindustrialcontrolsystem,easyto

expanditsfunctiontheprincipletodesign.”

Inthe1970sthelaststage,theprogrammablecontrollerenteredthepractical

applicationdevelopmentphase,thecomputertechnologyhasintroducedin

comprehensivelytheprogrammablecontroller,causesitsfunctiontohavetheleap.

Thehigheroperatingspeed,thesubminiaturevolume,themorereliableindustry

antijammingdesign,thesimulationquantityoperation,thePIDfunctionandthe

extremelyhighperformance-to-priceratiohasestablisheditinthemodernindustry

status.Intheearly-1980s,theprogrammablecontrollerhasobtainedthewidespread

applicationintheadvancedindustrialnation.Thistimeprogrammablecontroller

developsthecharacteristicislarge-scale,thehighvelocity,thehighperformance,the

productseriation.Thisstagesanothercharacteristicisintheworldproducesthe

programmablecontrollerscountrytoincreasedaybyday,theoutputrisesdaybyday.

Thissymbolizesthattheprogrammablecontrollermarchedintothemature