描述
模块式PLC模块式PLC是将PLC各组成部分，分别作成若干个单独的模块，如CPU模块、I/O模块、电源模块（有的含在CPU模块中）以及各种功能模块。模块式PLC由框架或基板和各种模块组成。模块装在框架或基板的插座上。这种模块式PLC的特点是配置灵活，可根据需要选配不同规模的系统，而且装配方便，便于扩展和维修。大、中型PLC一般采用模块式结构。
Allen Bradley 1745-TCAT/1745TCAT
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ALLEN BRADLEY EXPANSION MODULE FOR SLC 150~ 1745-E151~
ALLEN-BRADLEY 1745-LP153 SLC 150 Processor Unit ! WOW !
Allen Bradley 1745-E151 1745E151 Expansion Unit NIB
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Allen Bradley 1745-E106 1745E106 Analog Expansion NIB
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ALLEN BRADLEY 1745-LP101 NSPP 1745LP101
Allen Bradley 1745-LP154 B SLC 150 Processor Unit
ALLEN BRADLEY 1745-LP145 USPP 1745LP145
ALLEN BRADLEY 1745-E106 NSPP 1745E106
ALLEN BRADLEY 1745-LP101 D SLC-100 PLC
Allen Bradley 1745-PT1/1745PT1 NEW!!!!!
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