三菱 QCPU 用户手册（Multiple cpu system）.pdf

SAFETYPRECAUTIONS

(Alwaysreadtheseinstructionsbeforeusingthisequipment.)

Beforeusingthisproduct,pleasereadthismanualandtherelevantmanualsintroducedinthismanual

carefullyandpayfullattentiontosafetytohandletheproductcorrectly.

Inthismanual,thesafetyinstructionsarerankedasDANGERandCAUTION.

DANGERIndicatesthatincorrecthandlingmaycausehazardousconditions,

resultingindeathorsevereinjury.

Indicatesthatincorrecthandlingmaycausehazardousconditions,

CAUTIONresultinginmediumorslightpersonalinjuryorphysicaldamage.

NotethattheCAUTIONlevelmayleadtoaseriousconsequenceaccordingtothecircumstances.

Alwaysfollowtheinstructionsofbothlevelsbecausetheyareimportanttopersonalsafety.

Pleasesavethismanualtomakeitaccessiblewhenrequiredandalwaysforwardittotheenduser.

A-1

[DesignPrecautions]

DANGER

Installasafetycircuitexternaltotheprogrammablecontrollerthatkeepstheentiresystemsafeeven

whenthereareproblemswiththeexternalpowersupplyortheprogrammablecontrollermodule.

Otherwise,troublecouldresultfromerroneousoutputorerroneousoperation.

(1)Outsidetheprogrammablecontroller,constructmechanicaldamagepreventinginterlockcircuits

suchasemergencystop,protectivecircuits,positioningupperandlowerlimitsswitchesand

interlockingforward/reverseoperations.

(2)Whentheprogrammablecontrollerdetectsthefollowingproblems,

itwillstopcalculationandturnoffalloutputinthecaseof(a).

Inthecaseof(b),itwillho