咨詢熱線--17750626260
PLC的中央處理器(CPU 一般由控制器、運算器和寄存器組成,這些電路都集成在一個芯片內。CPU通過數(shù)據(jù)總線、地址總線和控制總線與存儲單元、輸入/輸出接口電路相連接。
與一般的計算機一樣,CPU是整個PLC的控制中樞,它按PLC中系統(tǒng)程序賦予的功能指揮PLC有條不紊的進行工作。CPU主要完成下述工作:
(1)接收、存儲用戶通過編程器等輸入設備輸入的程序和數(shù)據(jù)。
(2)用掃描的方式通過I/O部件接收現(xiàn)場信號的狀態(tài)或數(shù)據(jù),并存入輸入映像寄存器或數(shù)據(jù)存儲器中。
(3)診斷PLC內部電路的工作故障和編程中的語法錯誤等。
【誠信經營】【質量可靠】【進口原裝】【拆包防偽】
【超大庫存】【當天付款】【順豐速運】【歡迎搶購】
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廈門莫格電氣自動化有限公司
張芳(銷售工程師)
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MILLER 1560 PSI 2-1/2"BORE 4"STROKE HYDRAULIC CYLINDER DHV61B6B NNB
BRAD HARRISON 600V 10A 4P 12" RECEPTACLE, 1R4006A20A120, NEW SEALED
WIKA DN 150 6" PRESSURE RING NEW
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MINERALLAC MINE45 CLIP FITS 3/4" EMT NIB
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RED-DOT 2" HUB THREADED ALUMINUM CONDUIT BODY, ALB-6 *NEW*
SIEMENS NERLITE 12VDC DOAL-75 R LED-D DIFFUSE ON-AXIS LIGHT, 010-200500 *NEW*
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ADAPT ELEKTRONIK SYSTEM TEST ADAPTER 10-1-L-PR
ABB 480VAC 5.0 KVAR 3PH 60HZ INDOOR CAPACITOR, C484D5-3FI *NEW*
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METAL FILM RESISTOR 2521-0000 RN60E BAG OF 4 NIB
BRAD HARRISON * MINI-CHANGE 8P FEMALE 12FT * 43003
CORNING GILBERT .324 HEX MALE CONNECTORS, GF-6-AHS/342 *NEW LOT OF 100*
BRAD HARRISON 600V 13A 12' 16/3AWG 3P MALE STRAIGHT CORDSET, 103002A01F120 *NEW*
YOKOGAWA MOTOR LOAD GAUGE 250209FAZZ8 105460
MIDWEST SIGHT FLOW INDICATOR 350 SIZE 3/4"
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CROUSE-HINDS CONDULET OUTLET BODY 1 1/4" LR47 NNB
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TPC WIRE & CABLE 4 POLE MALE 90° DC MICRO CONNECTORS, 39700 *NEW LOT OF 9*
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APPLETON UNILET 1 1/2" LL FORM 35 NIB
THERM-COIL 240VAC 5 K.W. 3 PH. HEATER ELEMENT, EA-5043 W
IFM EVT007 10-36VDC 4A 4P CORDSET, ADOAH043VAS0005?E04, NEW SEALED
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PHD PNEUMATIC SLIDE CYLINDER SED 23X5-H4
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ALLEN BRADLEY GREEN ILLUMINATED PUSH BUTTON 800T-QT24G SERIES T *NEW IN BOX*
EXERGEN INFRARED THERMOCOUPLE, IRT/C.5-J-180F/?90C *NEW*
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