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加固型结构,适合工业环境应用。
与PC机发展太快相比,PLC产品可长期供货,长期提供技术支持。
PLC在工厂自动化中的地位之所以如此稳固,原因在于:
PLC的技术具有长期的稳定,软硬件均应用方便,即插即用,价格适中,堪称工业控制的适用技术。
可以说当今工业控制所要求的能,PLC可满足85%至。其不足部分可用其它办法。近几年来PLC也在不断提高其技术内涵,融合了IT技术(包括以太网,因特网,无线网技术,现场总线技术,以及运用软件工程方法提升PLC的编程语言,开发全新的编程系统,等等)。
PLC在开放方面也有了实质的突破。多年PLC被攻击的一个重要方面就是它的专有,现在有了大的改观。PLC采用了各种工业标准,如IEC 61131,IEEE802.3以太网,TCP/IP,UDP/IP等,各种事实上的工业标准,如Windows NT,OPC等。
PLC在硬件上也有长足进步。微电子技术的进展全都运用到PLC中,元器件的集成度越来越高,促使PLC成本下降和提高。专为PLC的设计的PLC-on-a-chip芯片业已问世多年。PLC的产品在体系结构和操作系统上都有了质的变化,能大幅提高。一个机架上可装多个模块。也出现了以Web为基础的PLC系列产品。
M Moore 15221-11 PLC Logic Controller 1522111
M Moore 15431-41-15 PLC Logic Controller 154314115
M Moore 15431-41-17 PLC Logic Controller 154314117
M Moore 15431-41-13 PLC Logic Controller 154314113
M Moore 15431-31-16 PLC Logic Controller 154313116
M Moore 15431-31-14 PLC Logic Controller 154313114
M Moore 15431-31-13 PLC Logic Controller 154313113
M Moore 15222-1-24 PLC Logic Controller 15222124
M Moore 15218-1-23 PLC Logic Controller 15218123
M Moore 15215-1-20 PLC Logic Controller 15215120
M Moore 15215-1-19 PLC Logic Controller 15215119
M Moore 15214-41 PLC Logic Controller 1521441
M Moore 15212-1-24 PLC Logic Controller 15212124
M Moore 15212-1-22 PLC Logic Controller 15212122
M Moore 15212-11-23 PLC Logic Controller 152121123
Omron F500-C10-ETN/F500C10ETN BRAND NEW!!!!!!!!!!
OMRON F350-C12E/F350C12E Processing Unit
Omron F500-C15-ETN/F500C15ETN BRAND NEW!!!!!!!!!!
Omron FZ-350/FZ350 2 Camera Controller Brand NEW!!!!!
Siemens 6ES5-470-7LB12/6ES54707LB12 FACTORY SEALED!!!
Siemens 6ES5-944-7UB21/6ES59447UB21 FACTORY SEALED!!!
Modicon PC-0984-780/PC0984780/PCO984780 CPU NICE!!!!!!
Reliance Electric 57C-410/57C410/0-57C410 Output
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16X8 SDI SERIAL DIGITAL VIDEO CROSSPOINT MATRIX ROUTER
NEW 7KW! GENERAL RADIO 0-280V@0-2 DUAL METERED VARIAC
TEKTRONIX 764 DIGITAL AUDIO LEVEL PHASE SCOPE MONITOR
LAMBDA 0-60V @ 0-70A METERED REGULATED DC POWER SUPPLY
SONY BVM-1916 NTSC COLOR VIDEO MONITOR 16X9 CALIB&R!
9KW ANALOG DIGITAL AUDIO STUDIO AC POWER LINE REGULATOR
LAMBDA TCR 300S6-1-D-RSTL 0-300V@0-6A DC POWER SUPPLY
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