PLC的監視定時器缺省值為200ms（可用D8000來設定），正常情況下PLC掃描周期小于此定時時間。如果由于有外界干擾或程序本身的原因使掃描周期大于監視定時器的設定值，使PLC的CPU出錯燈亮并停止工作，可通過在適當位置加WDT指令復位監視定時器，以使程序能繼續執行到END。
  =======================================================
    姓名：蘇烈格
    手機：15359408275
    企業QQ:3004859263    
    傳真0592-5165561   
    電子郵箱：3004859263@qq
  =======================================================
  【15天包退換】【一年質保】【大量現貨】【順豐包郵】


   ——————-專業銷售進口PLCDCS備件系列模塊。
   ——————-PLC模塊，可編程控制器，CPU模塊，IO模塊，DO模塊，AI模塊，DI模塊，網通信模塊
   ——————-有詢價的沖我來
   ——————-不要為難我同行
   ——————-他們很辛苦
   15天包退換 一年質保 大量現貨
   AB/施耐德/ABB/GE/本特利/西屋/英維思/霍尼韋爾/黑馬/福克斯波羅                  
  
 =====================================================
CROUSE-HINDS5000111-8 


HONEYWELLMICROSWITCH922H26Q-C9P-LPROXIMITYSWITCH9.6/55VDC，200MA，LSZ4001


HUBBELL1201-GA.C.TOGGLESWITCHES15AMP，120/277V


VICKERS0885385REEDSWITCH


LUMBERGRSRK50-614/20F 


NIBWESTINGHOUSEOT2D4 


CROUSE-HINDS5000135-95 


FESTOSME-8-S-LED-24 


HONEYWELLMICROSWITCHMPSD11PHOTOELECTRICLIMITSWITCHW/NC2D-JP-DC48V


SQUARED9001-TS3K10 


OMRONE3F-3LZPHOTOELECTRIC 


TEMPCOEHD-108-101 


DWYERINSTRUMENTS1823-20-2-5 


HONEYWELLP/N22017TERMINALBLOCKSMODEL621-9950


AMPHENOLSINESYSTEMSA416-4K00-A6FEMALECONNECTORPLUG16POSITION 


INCLUDES(16)ELAV-260-1616-302PINS


TELEMECANIQUEXB4BW34B5 


HUBBELLAOZ-4ADAPTERA0Z-4，E30816-1ENCL&GASKFIXT


NIBALLENBRADLEY800T-Q10A 


NIBENTRELEC49302705PILOTLIGHT999297127VAC-DC


ELECTRONBEAMTECHNOLOGIESQCC-144 


GRAPHICCONTROLS10-55PRESSURE 


ALLENBRADLEY1492-J3 


ADVANCEAUTOMATIONCOMPANYLS-10R-NOLMIT 


TPC97346RETRACTILEQUICK-CONNECTCABLE16/4MALE/FEMALE 


MERCOIDCONTROLAP-89-37 


STA-KONRC10-250FFEMALEDISCONNECTSFOR0.25X0.032 


KEYEDINTERLOCKSWITCHAZ1612ZIB1，230V，4A


AMPHENOL97-18-29P 


ALLENBRADLEY1492-W4SER.A 


ALLENBRADLEY800T-PB16PUSHBUTTONSERT，40171-002-01W/800T-XASERD


ZANDERAACHENKL14SWITCH16A250VT85VDE0660


ALLENBRADLEY800T-H4812LOCKCYLINDERSWITCHWITHAB800T-XD1 


OMRONXW2Z-200A2MCABLEFORSCREW 


NIBTREX-ONICS63440/97035 


THOMAS&BETTSZA-100-3/8STEEL 


IFMEFECTORL31076CONNECTORCABLESTRAIGHTMINI/5-AC-X/X-S0L-PVC-30FT


HULL864732KIT，LYOPHILIZER


TELEMECANIQUEXB4BD33 


TELEMECANIQUEXB4BW35B5


NIBBRIDGEPORT435-SLTIUS 


TELEMECANIQUEZB2BW64PUSHBUTTONMUSHROOM2POSITION 


SQUARED9001-KM-1PILOTLIGHTMODULES9001KM1SER.G，110-120V


NIBCUTLER-HAMMER10250T9 


SCOTCHLOKMNU14-187DMIX 


ALLENBRADLEY800TP-16PILOTLIGHTW/X-210963TRANSFORMER120V 


NIBCUTLER-HAMMER3TA400KTERMINALASSY.4212B61G023/0-250MCM 


NIBCMCAN-130A175AGRAYCONNECTORS6325-G197-056-4380


NIBLUMBERGASBSV45DISTRIBUTIONBOXASBSV-4-5，MAT.NR:11133






























FEDEGARIGM100124CLAMPSSB12690


CUTLERHAMMER10250TB63 


NIBNSISC-4/0COPPERCOMPRESSION 


SQUARED9007-AW16LIMITSWITCHSER.C，W348-SI6-G2


NIBSIEMENS3SB1001-0AE32 


SQUARED9007-B52D，120VAC1/4HP10AMPSER.B


SQUARED9007-C054 SER.A 


COENMAXON3510-093-33 


HONEYWELLLSZ-1EPLUNGER 


SQUARED9013HRG2-S6 


ALLENBRADLEY800T-J44KC1 


PIZZATONFB220BB-DN2 


SQUARED9007-31032-452-51 


NIBSTIHP2008-02SMLIMITSWITCH2N/C，M16，75mmSHAFT+ADAPTER


SQUAREDCLASS9007TYPEBO62A2 


FESTO18685DUOCABLEKM12-DUO-M8-GDGD


THOMAS&BETTS54610 


NIBDWYER1823-2SERIES1800DIFFERENTIAL 


NIBALLENBRADLEY800MR-Q24RSSERD 


RTECORP2609459A05BTERMINALCONNECTORSDC843186，1/0STR，2/0SOL


NIBGENERALELECTRICEB27A04STERMINALBOARDWIRESIZE4W/183B4226P-IBLOCK


NIBHONEYWELLMICROSWITCHBZE6-2RQ 


YALEHOIST41-KNIT 


PIZZATOFR-573STABLEPOSITION 


NIBGENERALELECTRICP9MPLBSDN12NCDI 


AMPHENOLMS3108A14S-2P 


HONEYWELLMICROSWITCHPTSHA201SELECTORSWITCHW/PTSZ74KNOB


TURCKB5131-0FIELDWIREABLEPLUGSANDRECEPTACLES6904910U6500


NSI250TCONNECTORS 


BW2B-LINEFASTENERS，RODANDWIREFASTENERS，100COUNTEACH


EPICCONNECTORS10.0050BASE 


PEPPERLFUCHSNBB5-18GM80-WS 


THOMAS&BETTSSTA-KONRC10-10FFORKTERMINALS12-10AWGCU 


CONTROLSGPRA-SB14U2 


CUTLERHAMMER10250TA17 


SQUARED9001-KM38LGSER.HGREENPULL-PUSHBUTTONSWITCH，W/LAMPBSD-1318-006


ALLENBRADLEY800T-FXTD4 


LUMBERGASBS-2-M12-4SPLITTER1MALE-4PIN2FEMALE-4PIN


OSBORN24130LOCKOUTHASPS


MURRELEKTRONIK13881COUPLERSTMALE/FEMALE5PIN07419


ALLENBRADLEY800T-PSD16 


NIBQVSCA260-2DATASWITCHDB25F 


NIBANDERSONPOWERPRODUCTSA32470-1009EBCA 


NIBIDECHW1P-1FQD-G-24V 


ALLENBRADLEY800T-APUSHBUTTONS800TA，SER.T，800T-XD1SER.D800T-XAA