描述
可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。通常由中央处理单元(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.中央处理单元(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、EEP
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主营:世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse(美国西屋)系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro(福克斯波罗):I/A Series系统,FBM(现场输入/输出模块)
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余(TMR)
结构的zui现代化的容错控制器。
⑨Siemens(西门子):Siemens MOORE,Siemens Simatic C1,Siemens数控系统等。
⑩Bosch Rexroth(博世力士乐):Indramat,I/O模块,PLC控制器,驱动模块等。
◆Motorola(摩托罗拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Family Certification
Level Hardware Manufacturer Board BSP Name
68030 Wind River Product Motorola,Inc.Motorola MVME147A mv147
68040 Wind River Product Motorola,Inc.Motorola MVME162PA mv162
68040 Wind River Product Motorola,Inc.Motorola MVME167PA mv167
68060 Wind River Product Motorola,Inc.Motorola MVME172PA mv172
68060 Wind River Product Motorola,Inc.Motorola MVME177P/PA mv177
683xx Wind River Product Freescale,Inc.M86EN302 FADS fads302en
683xx Wind River Product Wind River Wind River SBC360 wrSbc360
AMCC 4xx Wind River Product AMCC AMCC 405GP Walnut Board walnut
AMCC 4xx Wind River Product AMCC AMCC PPC 440GP Ebony ebony
AMCC 4xx Wind River Product AMCC AMCC PPC 440GX Ocotea ocotea
AMCC 4xx Wind River Product Wind River Wind River PPMC440GP wrPpmc440gp
AMCC PPC405xx Uncertified Advanet Inc.A6pci7503 VxWorks 5.5.1 BSP for A6pci7503
AMCC PPC405xx Uncertified Advanet Inc.Advme7507A VxWorks 5.5.1 BSP for Advme7507A
AMCC PPC440xx Uncertified Advanet Inc.Advme7510 VxWorks 5.5.1 BSP for Advme7510
AMCC PPC440xx Not Supported AMCC PPC440SP Evaluation Board(Luan)VxWorks 5.5.1 BSP for amcc440sp
AMCC PPC440xx Not Supported AMCC PPC440SPE Evaluation Board(Yucca)VxWorks 5.5.1 BSP for AMCC440spe
AMD Uncertified ADLINK TECHNOLOGY INC.(Ampro)ETX-GX2 VxWorks 5.5.1 BSP for ETX-GX2
ARM Other Wind River Product ARM Ltd.ARM Integrator 946ES integrator946es
ARM Other Wind River Product ARM Ltd.ARM Integrator 966ES integrator966es
ARM7 Thumb Wind River Product ARM Ltd.ARM Integrator 720T integrator720t
ARM7 Thumb Wind River Product ARM Ltd.ARM Integrator 740T integrator740t
ARM7 Thumb Wind River Product ARM Ltd.ARM Integrator 7T integrator7t
ARM9 Not Supported Fujitsu airman926ej/Fujitsu SoC 802.16 Reference Kit airman926ej
ARM9 Thumb Wind River Product ARM Ltd.ARM Integrator 920T integrator920t
ARM9 Thumb Wind River Product ARM Ltd.ARM Integrator 940T integrator940t
Broadcom BCM125x Wind River Product Broadcom Corporation Broadcom BCM91250a VxWorks 5.5.1 BSP for bcm1250
Broadcom BCM125x Wind River Product Broadcom Corporation Broadcom BCM91250e Sentosa bcm1250e
Cavium Octeon Wind River Product Cavium Networks CN30XX-EVB-HS5,CN52XX-EVB-MB4-Y VxWorks 5.5.1 BSP for Cavium CN50xx/CN52xx
Cavium Octeon Not Supported Cavium Networks CN5800-EVB-NIC4,CN5600-EVB-MB12 VxWorks 5.5 BSP for Cavium OCTEON CN58XX,CN56XX/5434R/54XX
Celeron Uncertified ADLINK TECHNOLOGY INC.(Ampro)ETX-IM266 VxWorks 5.5.1 BSP for ETX-IM266
Celeron Uncertified ADLINK TECHNOLOGY INC.(Ampro)ETX-IM333 VxWorks 5.5.1 BSP for ETX-IM333
Celeron Uncertified ADLINK TECHNOLOGY INC.(Ampro)cPCI-3840 VxWorks 5.5.1 BSP for cPCI-3840
Celeron Uncertified Advanet Inc.Advme8017 VxWorks 5.5.1 BSP for Advme8017
Core 2 Not Supported Emerson Network Power Emerson CPCI-7200 VxWorks 5.5.1 BSP for Emerson CPCI-7200
Core 2 Not Supported Intel Corporation Miscowabic Peak VxWorks 5.5.1 BSP for Miscowabic Peak(AMP)
Freescale 74xx Wind River Product Freescale,Inc.Freescale Sandpoint with PMC74xx VxWorks 5.5.1 BSP for sp74xx
Freescale 74xx Wind River Product Motorola,Inc.Motorola LOPEC-P lopec
Freescale 74xx Wind River Product Motorola,Inc.Motorola MCPN765 mcpn765
Freescale 74xx Wind River Product Motorola,Inc.Motorola MCPN805 mcpn805
Freescale 74xx Wind River Product Motorola,Inc.Motorola MVME5100 mv5100
Freescale 74xx Wind River Product Motorola,Inc.Motorola MVME5500 mv5500
Freescale 74xx Wind River Product Motorola,Inc.Motorola PRPMC800 prpmc800
Freescale 74xx Wind River Product Wind River Wind River PPMC74xx wrPpmc74xx
Freescale 74xx Wind River Product Wind River Wind River SBC7410 wrSbc7410
Freescale 74xx Uncertified Kontron AG VxG4 Dual and Quad 7410 Computing Node VxWorks 5.5.1 BSP for VxG4