三菱 QS001CPU（功能说明，程序基础） 用户手册.pdf

SAFETYPRECAUTIONS

(Alwaysreadtheseinstructionsbeforeusingthisequipment.)

Beforeusingthisproduct,pleasereadthismanual,therelevantmanualsintroducedinthismanual,

standardPLCmanuals,andthesafetystandardscarefullyandpayfullattentiontosafetytohandlethe

productcorrectly.

Inthismanual,thesafetyinstructionsarerankedasDANGERandCAUTION.

DANGERIndicatesthatincorrecthandlingmaycausehazardousconditions,

resultingindeathorsevereinjury.

Indicatesthatincorrecthandlingmaycausehazardousconditions,

CAUTIONresultinginmediumorslightpersonalinjuryorphysicaldamage.

NotethattheCAUTIONlevelmayleadtoaseriousconsequenceaccordingtothecircumstances.

Alwaysfollowtheinstructionsofbothlevelsbecausetheyareimportanttopersonalsafety.

Pleasesavethismanualtomakeitaccessiblewhenrequiredandalwaysforwardittotheenduser.

A-1

[DesignPrecautions]

DANGER

WhenasafetyPLCdetectsanerrorinanexternalpowersupplyorafailureinPLCmainmodule,it

turnsoffalltheoutputs.

Createanexternalcircuittosecurelystopthepowerofhazardbyturningofftheoutputs.Incorrect

configurationmayresultinanaccident.

Createshortcurrentprotectionforasafetyrelay,andaprotectioncircuitsuchasafuse,andbreaker,

outsideasafetyPLC.

Whendata/programchange,orstatuscontrolisperformedfromaPCtoarunningsafetyPLC,

createaninterlockcircuitoutsidethesequenceprogramandsafetyPLCtoensurethatthewhole

systemalwaysoperatessafely.

FortheoperationstoasafetyPLC,payfull