1747-L532

欢迎询价/采购  热线：18050036945

CPU的构成

    CPU是PLC的核心，起神经中枢的作用，每套PLC至少有一个CPU，它按PLC的系统程序赋予的功能接收并存贮用户程序和数据，用扫描的方式采集由现场输入装置送来的状态或数据，并存入规定的寄存器中，同时，诊断电源和PLC内部电路的工作状态和编程过程中的语法错误等。进入运行后，从用户程序存贮器中逐条读取指令，经分析后再按指令规定的任务产生相应的控制信号，去指挥有关的控制电路。

    CPU主要由运算器、控制器、寄存器及实现它们之间联系的数据、控制及状态总线构成，CPU单元还包括外围芯片、总线接口及有关电路。内存主要用于存储程序及数据，是PLC不可缺少的组成单元。

----------------------------------------------------
【厦门莫格电气自动化有限公司】
Cel：18050036945（微信同号）
Tel：0592-6808374
Fax：0596-6514751（请备注刘工收)

E-mail： 3443643092@qq.com 
Q Q ：3443643092

【采购单比同行低10个点您拿单子，追求共赢！】

【本公司拥有所有产品专业检测平台，产品质量严格把关】

---------------------------------------------------------

------------------------------------------------------

   在使用者看来，不必要详细分析CPU的内部电路，但对各部分的工作机制还是应有足够的理解。CPU的控制器控制CPU工作，由它读取指令、解释指令及执行指令。但工作节奏由震荡信号控制。运算器用于进行数字或逻辑运算，在控制器指挥下工作。寄存器参与运算，并存储运算的中间结果，它也是在控制器指挥下工作。

    CPU速度和内存容量是PLC的重要参数，它们决定着PLC的工作速度，IO数量及软件容量等，因此限制着控制规模。　　

JAMESBURY INC. SEAL REPAIR KIT RKF5TT NIB

VELAN 1" 1975PSIG@100°F MODEL-A GLOBE VALVE A105N / S-2074B-02TY

FESTO CPV10-VI M302 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (1) 185 880 R302

FESTO CPV10-VI M302 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (1) 185 880 R202

MANNESMANN REXROTH 4WE10D31/CG24N9?Z55L SOLENOID VALVE

VICKERS DIRECTIONAL SOLENOID CONTROL VALVE DG4V-3-23A-M-P7?-H-7-52

LADISH 3/4" 150 DIRECTIONAL VALVE 0701-314

SMC 0-1.0MPA 24VDC 2-POSITION SINGLE VALVE MANIFOLD, VQC4101R-5 *NEW*

ITT FABRI-VALVE 150 CWP S316 8" KNIFE GATE VALVE F440732

RELIANCE P18G4059C FRAME 184TC 3PH 230/460V 3500RPM 5HP MOTOR 01BG96507401G 1 XY

BURKERT 125925E 24V 2W NEW

ALCO CONTROLS 120V 17/12W SOLENOID VALVE COIL 023-0039-01 *NEW*

REXROTH HYDRAULIC DIRECTIONAL VALVE Z4WE 6 W68-30/EG24K4/V

RUGGLES-KLINGEM?ANN 1/2" SOLENOID VALVE 229-A

FESTO CPV10-VI U502 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (5) 161 368 U402

FESTO CPV10-VI U202 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (5) 161 368 TD02

FESTO CPV10-VI M302 CPV10-GE-ASI-8E?8A-Z-M8 MANIFOLD W/ (2) 185 880 L702

FLOWSERVE * ACTUATOR VALVE W/ ASCO SOLENOID VALVE * B100S10

NUMATICS 24VDC 0.5W 100 PSIG SOLENOID VALVE, R22BBAZ4MK00061 *NEW*

SMC SOLENOID VALVE NIB SYK3143-6LOZ 99412

JAMESBURY 150PSI ACTUATOR ST-400 B W/ 6" CF8M VALVE 5152W-31-3600TS?-1

NIBCO BRONZE BALL VALVE, ? TURN ?" NPT END CONNECTION, NEW

SIZE 3 CLASS 150 SS316 KNIFE VALVE L10-0320C-13BL

MASONEILAN DRESSER DYNA-LOK SIZE 10 VALVE ACTUATOR 101WF003

CHECK VALVE INC. UN-3-050-C CHECK VALVE *NEW*

ARMSTRONG 400PSIG 1/2" STEAM TRAP 1811

PARKER CHECK HYDRAULIC VALVE CPS600S -11EZ

YARWAY CLASS 35 1/2" NPT 250 PSI Y STRAINER VALVE, 901

BURKERT 120V 8W 1/4" NPT 0330 D 1/8 FKM BR SOLENOID VALVE, 00453021, NIB

REXROTH 24V HYDRAULIC DIRECTIONAL VALVE 4WE6J61/EG24N9D?K24L/B10

PARKER 3/8"NPT FLOW CONTROL LOCKING VALVE FG3PKCLC1

CIRCLE SEAL INLINE RELIEF VALVE 520B-6MP-60 *NEW*

PARKER 150PSI, 1/4"NPT, FILTER/REGULATO?R ASSEMBLY 06E22A18AC, 16L22BE *NEW*

WORCESTER 1/4"NPT BALL VALVE 444TR11

DEZURIK CI BODY 316 LINER/GATE 150CWP SIZE 6" KNIFE GATE VALVE, NO LABEL

CIRCLE SEAL INLINE RELIEF VALVE 520B-6MP-60 *NEW, SEALED*

AUTOMAX NOVA 250 ACTUATOR, LABEL W/ VELAN STEEL CF8M 6" 150 VALVE

AUTOMATIC VALVE 10BAR PNEUMATIC SOLENOID VALVE NNB 413D43S39DS3-DB?7

BRAY 6" SIZE, 175 PSI LUG STYLE BUTTERFLY VALVE 31-124

ECLIPSE 2.0 PSIG 140°F 1-1/2" NPT ADJUSTABLE BIAS PROPORTIONATOR, 106 ABP *NEW*

MHV&F CO. 4" 125S 200WOG VALVE 404048 104229

MUELLER 176 GAS BALL VALVE 1/2"

PARKER SKINNER FLUID CONTROL SOLENOID VALVE 7131TBN2JV00 *NEW*

2" VALVE T250G

ROSS LUBRICATING OIL COOLER 34M501-2A2

PEGASUS SERVO VALVE 10(1200)-.65(75?0)-750 / 120UE

FABRI-VALVE 8IN STAINLESS STEEL GATE VALVE 0378316 103564

TOYO-OKI HYDRAULIC VALVE HG1-DG3-06 / 5H9110

VICKERS 1" NPTF 3000 PSI 3 MICRON FILTER VALVE, OFP-15-P-3M-11

LINCOLN DIVIDER VALVE UV-35T *NEW*

SMC 1/2" NPT 5-PORT VALVE SUBPLATE, X11, NNB