CMA114-2 一手货源 国外直接进货

07WT97
07KT98
353D4F1CNB4
A06B-6078-H206
KUKA-00-108-549
KUKA-00-108-469
J761-003
MCV41A0075-5A3-4-00
F-4030-Q-H00AA
A06B-0079-B203#0100
22SV12F150T
3HAB3388-1
2711P-K4M3D
NXCPU700P

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描述

整体式PLC整体式PLC是将电源、CPU、I/O接口等部件都集中装在一个机箱内,具有结构紧凑、体积小、价格低的特点。小型PLC一般采用这种整体式结构。整体式PLC由不同I/O点数的基本单元(又称主机)和扩展单元组成。基本单元内有CPU、I/O接口、与I/O扩展单元相连的扩展口,以及与编程器或EPROM写入器相连的接口等。扩展单元内只有I/O和电源等,没有CPU。基本单元和扩展单元之间一般用扁平电缆连接。整体式PLC一般还可配备特殊功能单元,如模拟量单元、位置控制单元等,使其功能得以扩展。

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