描述
从结构上分，PLC分为固定式和组合式（模块式）两种。固定式PLC包括CPU板、I/O板、显示面板、内存块、电源等，这些元素组合成一个不可拆卸的整体。模块式PLC包括CPU模块、I/O模块、内存、电源模块、底板或机架，这些模块可以按照一定规则组合配置。
ALLEN BRADLEY 1745-E151 NSPP 1745E151
ALLEN BRADLEY 1745-E156 USPP 1745E156
ALLEN BRADLEY 1745-E157 USPP 1745E157
ALLEN BRADLEY 1745-LP153 USPP 1745LP153
Factory Sealed 1745-LP157 Allen Bradley 1745LP157 N843
One-day shipping available
4637 NEW Allen-Bradley 1745-E105 Relay Expansion Unit
ALLEN BRADLEY 1745-E155 NSFP 1745E155
ALLEN BRADLEY 1745-LP151 USPP 1745LP151
ALLEN BRADLEY 1745-LP101 SLC 100 PROCESSOR UNIT
1745LP101 NEW ALLEN BRADLEY 1745 LP101 FREE SHIPPING
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Allen Bradley 1745-M1 Memory Eprom Module 1745M1 NEW
One-day shipping available
ALLEN BRADLEY 1745-E153 USPP 1745E153
