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51403519-160霍尼韦尔

编程控制器的结构多种多样，但其组成的一般原理基本相同，都是以微处理器为核心的结构。通常由*处理单元（CPU）、存储器（RAM、ROM）、输入输出单元（I/O）、电源和编程器等几个部分组成。

1．*处理单元（CPU） 

CPU作为整个PLC的核心，起着总指挥的作用。CPU一般由控制电路、运算器和寄存器组成。这些电路通常都被封装在一个集成电路的芯片上。CPU通过地址总线、数据总线、控制总线与存储单元、输入输出接口电路连接。CPU的功能有以下一些：从存储器中读取指令，执行指令，取下一条指令，处理中断。 

2．存储器（RAM、ROM）

 存储器主要用于存放系统程序、用户程序及工作数据。存放系统软件的存储器称为系统程序存储器;存放应用软件的存储器称为用户程序存储器；存放工作数据的存储器称为数据存储器。常用的存储器有RAM、EPROM和EEPROM。RAM是一种可进行读写操作的随机存储器存放用户程序，生成用户数据区，存放在RAM中的用户程序可方便地修改。RAM存储器是一种高密度、低功耗、价格便宜的半导体存储器，可用锂电池做备用电源。掉电时，可有效地保持存储的信息。EPROM、EEPROM都是只读存储器。用这些类型存储器固化系统管理程序和应用程序。

 3．输入输出单元（I/O单元） 

I/O单元实际上是PLC与被控对象间传递输入输出信号的接口部件。I/O单元有良好的电隔离和滤波作用。接到PLC输入接口的输入器件是各种开关、按钮、传感器等。PLC的各输出控制器件往往是电磁阀、接触器、继电器，而继电器有交流和直流型，高电压型和低电压型，电压型和电流型。  

4．电源  

PLC电源单元包括系统的电源及备用电池，电源单元的作用是把外部电源转换成内部工作电压。PLC内有一个稳压电源用于对PLC的CPU单元和I/O单元供电。 

5．编程器  

编程器是PLC的zui重要外围设备。利用编程器将用户程序送入PLC的存储器，还可以用编程器检查程序，修改程序，监视PLC的工作状态。除此以外，在个人计算机上添加适当的硬件接口和软件包，即可用个人计算机对PLC编程。利用微机作为编程器，可以直接编制并显示梯形图。

ACCORD Apex 5000 A50137A Modular valve Positioner KEYSTONE F79U 012 Actuator NEW

TURNFLO VELAC-TF600D Pneumatic Valve Actuator

SMC LUBRICATOR AL4000 & SMC AIR FILTER AF4000

NORGREN F08-400-M3DG & NORGREN L08-400MPDG filter and oiler

Lincoln Centro-matic Pneumatic High Pres. Grease Ram Pump. Model 83668. Series F

FESTO Rodless pneumatic ram Cylinder DGPL-32-200-PPV?A KF-B 32 Bore 200 Stroke

FESTO Rodless Cylinder DGPL-40-600-PPV?A KF-B 40 Bore 600 Stroke

FESTO Rodless pnuematic ram Cylinder DGPL-40-600-PPV?A GF-B 40 Bore 600 Stroke

FESTO Rodless pneumatic ram Cylinder DGPL-40-710-PPV A-B-GF-SH 40 Bore 710 Stro

FESTO Rodless pneumatic ram Cylinder DGPL-40-710-PPV A GF-B 40 Bore 710 Stroke

FESTO Rodless pneumatic actuator ram Cylinder DGPL-40-710-PPV?-A Reconditioned

FESTO Cylinder pneumatic DN-40-250-PPV 40 Bore 250 Stroke 1 with new seal kit

Pair of FESTO Cylinders DN-50-50-PPV

Wilden 08-5000-01 2" air operated double diaphragm pump stainless steel teflon

Wilden 2" M8 08-5000-01 air operated double diaphragm pump stainless steel recon

Wilden 8 2" 08-5000-01 air operated double diaphragm pump aluminium body

Wilden 8 08-5000-01 air operated double diaphragm pump aluminium body 2" Flange

Wilden 8 2" 08-5000-01 air operated double diaphragm pump stainless body TEFLON

Wilden 8 08-5000-01 air operated double diaphragm pump aluminium body mufflers

Wilden 8 08-5000-01 air operated double diaphragm pump aluminium body mufflers

SMC pneumatic 3 way lock out valve filter regulator IS3000-02L pressure switch

CKD SCA2L2 CB80B100 Pneumatic cylinder air ram

Festo Pneumatic Cylinder Actuator Ram DNC-40-50-PPV-A

Festo Pneumatic Cylinder Actuator Ram DNC-40-50-PPV-A New

Festo Pneumatic Cylinder Actuator Ram DNC-63-800-PPV-?A

Festo Pneumatic Cylinder Actuator Ram DNNZ-80-670-PPV?-A 80 Bore 670 Stroke

Festo Pneumatic Cylinder double ended Actuator Ram DNNZ-80-1400-PP?V-A-S2S3

CKD FCD-L-50-20 Pneumatic cylinder air ram

Festo Pneumatic Cylinder Actuator Ram DNSU-16-40-P-A 16 Bore 40 Stroke

SMC Rodless pnuematic ram Cylinder 20 bore 650 stroke MY1B20G-625

SMC Rodless pnuematic ram Cylinder 25 bore 560 stroke MYC25G-560

Festo Pneumatic Cylinder Actuator Ram DNU-100-100-PPV?-A 100 Bore 100 Stroke

FESTO IFB21-03 pneumatic part

Festo 180deg rotary Pneumatic Cylinder Actuator Ram DSR-25-180P New

Festo Type 4937 RW/0-3-1/8 Pneumatic Vale Limit Switch & Actuator Arm

SMC CDQ 2B 40-40 DCM Pneumatic cylinder air ram

Festo Pneumatic Cylinder Actuator Ram DZH-40-550-PPV-?A 40 Bore 550 Stroke

Norgren SPAU-2501MX3360?2CCA Pneumatic cylinder air ram 330 stroke 115 bore

GAST Small Air Motor & Gearbox

Large Hydraulic or Pneumatic Cylinder aprox 200mm bore

Martonair M-1041-300DF 300 Stroke Cylinder Heavy Construction Big Rod lus 37

Norgren Pneumatic Cylinder Actuator Ram LPAUMCB1132120 32 Bore 120 Stroke

Norgren Pneumatic Rodless Cylinder Actuator Ram M-46025-M-350-C

SMC CKU50- 25 DCH 7251

SMC MDUB50- 30 DCH 5781

SMC CKG1A40-75Y

SMC CKG1A63-50Y P5DWL

SAMSON CONTROLS 332100 EN JL 1040 DN32 Control valve and 3372-0511.01 Actuator

Norgren RA-8040-125-M-C?-F Pneumatic cylinder air ram 40 Bore 125 Stroke

Norgren RA/8050/M/80/F/?L Pneumatic cylinder air ram

Norgren RM/925/280 Pneumatic cylinder air ram odd model looks like 63 bore

Howa pneumatic cylinder air ram 50 x 50

Norgren SPAU51766 RM/920/11/115 Pneumatic cylinder air ram 50 Bore 115 Stroke

Parker Climax Maxam CT032S0100 Cylinder Pneumatic Actuator Ram

Parker Climax Maxam CTO32S0160 Cylinder Pneumatic Actuator Ram

Parker Kuroda PNR800D-10C Rotary Oscilating Actuator

Miller H Series Hydraulic Cylinder H84B2B-400-200-?N11-9 4"Bore 24"Stroke 2"Rod

Mannesmann Rexroth Hydraulic Cylinder CEM1 50mm Bore 36mm rod 500mm Stroke 16mpa

Norgren RA/8050/1550 Cylinder pnuematic actuator ram 50 Bore 1550 stroke

Norgren rodless Cylinder pnuematic actuator ram 50 Bore 1550 stroke

SMC CDA2L80-1460-XA?M20046 Cylinder pnuematic actuator ram 80mm Bore 1460 Stroke

SMC CDLALN63-1200-D locking Cylinder pneumatic actuator ram with rod lock

SMC C9563-XEJ003-11?00 ISO VDMA Cylinder Pneumatic Actuator Ram

SMC MY1B20G-735 rodless Cylinder Pneumatic Actuator Ram 735 Stroke

SMC MY1B20G-1500 rodless Cylinder Pneumatic Actuator Ram 1500 Stroke

SMC MY1BG63G-1500 rodless monster Cylinder Pneumatic Actuator Ram 1500 Stroke

Parker Kurodo PRN150S Oscillating Actuator

12 Way Pneumatic Manifold suit process valve control

SMC CA1TN40-50 Trunion Mount Cylinder pnuematic actuator ram 40 Bore 50 Stroke

SMC CA1TN63-750 Mid Trunion Cylinder pnuematic actuator ram 63 Bore 750 Stroke

SMC CA1TN80-300 Trunion mount Cylinder pnuematic actuator ram 80 Bore 300Stroke

SMC CA2F50-650 air Cylinder pnuematic actuator ram 50 Bore 650 Stroke

SMC CA2F63-500 Cylinder Pneumatic Actuator Ram 63 Bore 500 Stroke

电气自动化，*厦门莫格，质量保证，放心购买，售后完善！