描述
PLC采用循环扫描的工作方式,在PLC中用户程序按先后顺序存放,CPU从第一条指令开始执行程序,直到遇到结束符后又返回第一条,如此周而复始不断循环。PLC的扫描过程分为内部处理、通信操作、程序输入处理、程序执行、程序输出几个阶段。全过程扫描一次所需的时间称为扫描周期。当PLC处于停状态时,只进行内部处理和通信操作服务等内容。在PLC处于运行状态时,从内部处理、通信操作、程序输入、程序执行、程序输出,一直循环扫描工作。
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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。
Freescale 74xx Not Supported Motorola,Inc.Motorola MCP820 mcp820
Freescale 74xx Not Supported Motorola,Inc.Motorola MVME6100 VxWorks 5.5.1 BSP for mv6100
Freescale 82xx Wind River Product Freescale,Inc.MCP8260ADS ads8260
Freescale 82xx Wind River Product Freescale,Inc.MPC8266ADS-PCI ads826x
Freescale 82xx Wind River Product Freescale,Inc.MPC8272 ADS VxWorks 5.5.1 BSP for ads827x
Freescale 82xx Wind River Product Freescale,Inc.PQ2-ZU-FADS VxWorks 5.5.1 BSP for ads828x
Freescale 82xx Wind River Product Freescale,Inc.Sandpoint with PMC824x sp824x
Freescale 82xx Wind River Product Motorola,Inc.Motorola MVME21xx mv2100
Freescale 82xx Wind River Product Motorola,Inc.Motorola PRPMC600 prpmc600
Freescale 82xx Wind River Product Wind River Wind River PPMC8245/8240 wrPpmc824x
Freescale 82xx Wind River Product Wind River Wind River PPMC8260 wrPpmc8260
Freescale 82xx Wind River Product Wind River Wind River SBC824x wrSbc824x
Freescale 82xx Wind River Product Wind River Wind River SBC8255 wrSbc8255
Freescale 82xx Wind River Product Wind River Wind River SBC8260 wrSbc8260
Freescale 82xx Wind River Product Wind River Wind River SBC8260ATM wrSbc8260Atm
Freescale 82xx Wind River Product Wind River Wind River SBCPowerQUICC II VxWorks 5.5 BSP for wrSbcPowerQuiccII
Freescale 82xx Wind River Product Wind River est8260C VxWorks 5.5.1 for wrSbc8260c(MPC180)
Freescale 82xx Wind River Product Zephyr Engineering,Inc.Zephyr Engineering,Inc ZPC1900 VxWorks 5.5.1 BSP for ZPC1900/MPC18x
Freescale 8xx Wind River Product Freescale,Inc.DUET ADS VxWorks 5.5.1 BSP for ads88x
Freescale 8xx Wind River Product Freescale,Inc.MCP860FADS ads860
Freescale 8xx Wind River Product Motorola,Inc.Motorola CPV3060 cpv3060
Freescale 8xx Wind River Product Motorola,Inc.Motorola MBX860 mbx860
Freescale 8xx Wind River Product Wind River Wind River MDPBasic8xx wrMdpBasic8xx
Freescale 8xx Wind River Product Wind River Wind River MDPPro8xx wrMdpPro8xx
Freescale MPC74xx Wind River Product Wind River SBC74x7 VxWorks 5.5.1 BSP for wrSbc74x7
Freescale MPC74xx Wind River Product Zephyr Engineering,Inc.Zephyr Engineering PrPMC800-2251/ZPCI.2900 VxWorks 5.5.1 for prPmc800(MPC190)
Freescale MPC74xx Uncertified Advanet Inc.A3pci7512 VxWorks 5.5.1 BSP for A3pci7512
Freescale MPC74xx Uncertified Advanet Inc.A6pci7504 VxWorks 5.5.1 BSP for A6pci7504
Freescale MPC74xx Uncertified Advanet Inc.A6pci7508 VxWorks 5.5.1 BSP for A6pci7508
Freescale MPC74xx Uncertified Advanet Inc.Advme7505 VxWorks 5.5.1 BSP for Advme7505
Freescale MPC74xx Uncertified Advanet Inc.Advme7511 VxWorks 5.5.1 BSP for Advme7511
Freescale MPC74xx Uncertified Kontron AG PowerNode3 VxWorks 5.5.1 BSP for PowerNode3
Freescale MPC74xx Not Supported Motorola,Inc.Motorola MCPM905/MCPN905:CompactPCI Peripheral Processor Board vxWorks 5.5 BSP for MCPN905
Freescale MPC82xx Wind River Product Wind River Wind River SBC8260C VxWorks 5.5.1 BSP for wrSbc8260c
Freescale MPC82xx Uncertified TQ Components GmbH TQM8260 TQC-BSP8260
Freescale MPC85xx Wind River Product Emerson Network Power Emerson CPCI-6200 VxWorks 5.5.1 BSP for Emerson CPCI-6200
Freescale MPC85xx Wind River Product Emerson Network Power Emerson MVME4100 VxWorks 5.5.1 BSP for MVME4100