監視定時器刷新指令WDT 
  如果掃描時間（從第０步到END或FEND）超過100ms，PLC將停止運行。在這種情況之下，應將WDT指令插到合適的程序步（掃描時間不超過100ms）中刷新監視定時器
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COOPERBUSSMANNFUSETRONFRS-R-175 


NIBFERRAZSHAWMUTA2K200AMP-TRAPCLASSK-1 


NIBTELEMECANIQUEGV2-M05MOTORCIRCUITBREAKER，0.63-1A


NIBLITTLEFUSEFLSR-400-IDCLASSRK5 


HEINEMANNJA1-A3-ACIRCUIT 


SQUARED9080LBA265112POWER 


COOPERBUSSMANN170M3621FUSE500A


MERLINGERIN60174CIRCUITBREAKER240V6AMP，MULTI9C60


NIBRELIANCERFV300RECTIFIERFUSESRFV300，500V


COOPERBUSSMANNKAB-40TRONRECTIFIER 


S&C279200POSITROLFUSELINKS200AMP，UNIVERSAL.23LGTH


NIBTELEMECANIQUEGV2ME03MOTORCIRUITBREAKERTESYS-0342990，25-0/40A


NIBSIEMENS5SY4201-8CIRCUIT 


SIEMENS5SY4203-8CIRCUITBREAKER2P400V3A


COOPERBUSSMANNBUSSLPJ-3SP，LPJ-25SP，LPJ-15SP，LPJ-6SP，LPJ-3-1/2SP 


SQUAREDFAL34025MOLDEDCASECIRCUITBREAKER480V25A，FA25A


MERLINGERIN24544CIRCUITBREAKER40AMP3POLE480Y/277VAC


WESTINGHOUSEEHD3020LCIRCUITBREAKERSTYLENO.6638C94G85


SIEMENS5SY4205-8CIRCUITBREAKER0.5A2P


SCHRACKSD-91-G2ACIRCUITBREAKERSSD91，3190，220/380V，2AMP


NIBBUSSMANLKN-9SUPER-LAGRENEWAL 


COOPERBUSSMANNLPJ-300SPLOW-PEAK 


MERLINGERIN60101CIRCUITBREAKERSC1A，240V，MULTI9C60


SIEMENSBQ2B060LCIRCUITBREAKER60A，2POLE，TYPEBQ


NIBSQUAREDMULTI9C60MINIATURECIRCUITBREAKER60106，5A，1POLE


NIBALLENBRADLEY1492-GH008 


NIBCOOPERBUSSMANNLPS-RK-250SP 


GOULDSHAWMUTATQ28/10AMP-TRAP 


COOPERBUSSMANNFNQ-R-1/2CC-TRONCC 


COOPERBUSSMANNFRS-R-175FUSETRONCLASSK5 


SQUARED3-POLETYPEQ08CIRCUITBREAKERSHACRTYPE20AMP，HACR20


CEFCOCRS-R-60DEFCONDUALELEMENT CLASSRK-5


BUSSMANNFUSETRONFRS-R-21/2DUAL 


BUSSMANNFNQ-8TIME-DELAY


ALLENBRADLEY1492-CB3-G150 


FERRAZHRC1LIMITORFUSES600VAC30AMP


COOPERBUSSMANNFUSETRONFRS-R-150 


MITSUBISHINV32-SWCIRCUIT 


SQUAREDFAP3603015MMAG-GARD 


COOPERBUSSMANNFRN-R-20 


BUSSMANNFUSETRONNON-70ONETIME 


WESTINGHOUSEEHD3030CIRCUITBREAKERSTYLE6638C90G87SER.C30AMPS3-POLE


MITSUBISHINF30-CBNOFUSECIRUIT 


AIRPAXIEGH666-1REC4-63F-2.50-91-VBREAKERIEGH666-1REC42.5AMP


LITTLEFUSECCMR-1-1/4CURRENTLIMITING 


SQUAREDTIPOQOB，CIRCUITBREAKERS，20AMP，120/240VAC


WESTINGHOUSEMPC03150RCIRCUITBREAKERSSTYLENO.2610D54G24，15AMP.


SQUAREDFAL36070CIRCUIT 






















SQUAREDFAL36020CIRCUITBREAKER600V，20A


BUSSMANNXL50F800AFUSE800A，500V


WESTINGHOUSEHMCP015E0CIRCUITBREAKERSTYLE:6630C86G07，SER.C


NIBITEE23B100CIRCUITBREAKERTYPEE2100AMP，240V


NIBBUSSMANNFRS-R-300 


S2SWF0601ON/OFFCIRCUITBREAKEROPERATINGSWITCHS2


SQUAREDFA-34020CIRCUITBREAKERSER.2，20AMP


SQUAREDFAL24015SERIES2CIRCUIT 


FERRAZANDGOULDSHAWMUTFUSESGDL1/4，GDL1/2，GDL3/4，GDL1-1/4GDL3，GDL4，GDL7，GDL10，GDL12，GGM8，GGM10，GGM15


BUSSMANN170M6713FUSE900A，700VTYPOWERZILOX，290V~IEC


WESTINGHOUSEHMCP015E0CCIRCUITBREAKERSTYLE:6630C87G07


NIBBUSSMANNFNA-2-1/2FUSES2.5AMPFNA21/2


SCHNEIDERELECTRICMGN61331CIRCUITBREAKER，480Y/277V，C15A，IEC60947-2


SQUAREDQO120QOCIRCUITBREAKERSW/VISI-TRIPINDICATOR 


SIEMENSITEE43B030CIRCUITBREAKER30AMP3POLE480VW/LOADSIDE 


WESTINGHOUSEEHD3070CIRCUITBREAKER70AMP，480VAC，3POLE，STYLE6638C90G93


COOPERFNQ-1/2TRONTIME-DELAYFUSESIR10kA，500VA.C.FNQ12 


WESTINGHOUSEHMCP015E0CCIRCUITBREAKERSTYLE:6638C14G07


MITSUBISHINV30-CSCIRCUITBREAKER100AC，200V


BUSSMANNKBC-125FUSESSEMICONDUCTORHIGHSPEED125AMP600VOLT200K


GOULDSHAWMUTA50P20FUSES20AMP500VAC/DC 


NIBALLENBRADLEY1492-CB3H040 


SQUAREDQOB130CIRCUITBREAKERS30A，1POLE 


LITTELFUSEKLK6FAST-ACTING 


NIBITEET-1555CIRCUITBREAKER30AMP，1POLE


BUSSMANNFRS-R-125 


NIBGENERALELECTRICEP102ULC10CIRCUITBREAKER10000A，277/480VAC，686890


TELEMECANIQUEGV2ME03/0.25-0.40A 


SQUARED31041-400-42 


ALLENBRADLEY1492-GH150 


WESTINGHOUSEHQNP3050CIRCUIT 


NIBSQUAREDQ0U330MINIATURECIRCUITBREAKER240VAC3POLE30A


BUSSMANNFUSETRONFRN-15DUAL-ELEMENT 


COOPERBUSSMANNBUSS16321-3 


BUSSMANNLPS-RK-20SP 


WESTINGHOUSEEB2030CIRCUITBREAKERSTYLE:4990D03G2130A，2POLE，240VAC


SIEMENS5SY4202-7 


ALLENBRADLEY1492-CB1 


FUSETRONFRN-R-600DUALELEMENTCLASSRK5FUSEHRCI-RTYPEDRK5R600


FERRAZSHAWMUTTRI-O