1C31129G03
1C31129G03
1C31129G03
CPU主要由運(yùn)算器、控制器、寄存器及實(shí)現(xiàn)它們之間聯(lián)系的數(shù)據(jù)、控制及狀態(tài)總線構(gòu)成,CPU單元還包括外圍芯片、總線接口及有關(guān)電路。內(nèi)存主要用于存儲(chǔ)程序及數(shù)據(jù),是PLC不可缺少的組成單元。
在使用者看來(lái),不必要詳細(xì)分析CPU的內(nèi)部電路,但對(duì)各部分的工作機(jī)制還是應(yīng)有足夠的理解。CPU的控制器控制CPU工作,由它讀取指令、解釋指令及執(zhí)行指令。但工作節(jié)奏由震蕩信號(hào)控制。運(yùn)算器用于進(jìn)行數(shù)字或邏輯運(yùn)算,在控制器指揮下工作。寄存器參與運(yùn)算,并存儲(chǔ)運(yùn)算的中間結(jié)果,它也是在控制器指揮下工作。
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MEDAR 917-0050 WELDING MODULE 9170050
GE 55-530249G004 COIL
LOT OF 6 LITTLEFUSE FLNR30 FUSES CLASS RK5 TIME DELAY
ALLEN BRADLEY SLC 100 1745-LP101 SER. A PROCESSOR UNIT
FACTS ENGINEERING F3-16ND3F INPUT MODULE F316ND3F NIB
NIB ALLEN BRADLEY 2706-NG1 MESSAGE DISPLAY ACCESSORY IN...
NEW DAIKIN MC-02P-05-65 CHECK VALVE MC02P0565
SIEMENS 6ES5-373-0AA41 MEMORY MODULE 6ES53730AA41
NEW DWYER W. E. ANDERSON F7-HPS-1 LEVEL SWITCH F7HPS1
VICKERS DGMDC-3-Y-PK-41 VALVE DGMDC3YPK41 694415 NEW
NIB PHOENIX CONTACT 2861234 MODULE IB IL 24 DI 4-PAC
NEW IN BOX SYMAX 8030-DIM-101 ISOLATED DELUXE INPUT MOD...
SQUARE D 8030-HIM-101 SER B INPUT MODULE 8030HIM101 NIB
METRON 740-0035-01 GRAPHITE GASKET G8 740003501 NEW
NEW ALLEN BRADLEY 802M-CAFY5 LIMIT SWITCH 802MCAFY5
NIB BALLUFF BOS18K5C353002 SENSOR 142758
NUMATICS K90-R11 ACTUATOR REPAIR SEAL KIT K90R11 NEW
NEW FANUC A20B-2900-0450/?03B BOARD A20B2900045003B
CUTLER-HAMMER E49S71AP7 LIMIT SWICTH SER. B1
PHOENIX CONTACT 2281157 MODULE FLKM-D50 SUB/S
ATHENA CONTROLS 25CTS0000000 TEMPERATURE CONTROL 25CTS0...
NIB TELEMECANIQUE XS2-M30PA370D SWITCH XS2M30PA370D
DLS CEILING IR RECEIVER STATION KIT DLS-IRC NIB DLSIRC
MOORE 561MF NULLMATIC CONTROLLER B/M R20020 REPAIRED
NIB TOPWORX 7X-145311238 LEVERLESS LIMIT SWITCH
MSC FAULT DETECTOR CIRCUIT BOARD CARD P/N: 1102
FACTS ENGINEERING F2-08TRS OUTPUT MODULE F208TRS
HONEYWELL 621-9930 PARALLEL I/O MODULE 6219930 NIB
GE FANUC IC693MDL740C OUTPUT MODULE
GE FANUC IC693MDL740D OUTPUT MODULE