GE F350350EP1G1HEMNNP3EN

 I/O寻址方式

PLC的硬件结构主要分单元式和模块式两种。前者将PLC的主要部分(包括I/O系统和电源等)全部安装在一个机箱内。后者将PLC的主要硬件部分分别制成模块，然后由用户根据需要将所选用的模块插入PLC机架上的槽内，构成一个PLC系

统。

不论采取哪一种硬件结构，都必须确立用于连接工业现场的各个输入/输出点与PLC的I/O映象区之间的对应关系，即给每一一个输入/输出点以明确的地址确立这种对应关系所采用得方式称为IO寻址方式。

I/O寻址方式有以下三种:

➢固定的I/O寻址方式

这种I/O寻址方式是由PLC制造厂家在设计、生产PLC时确定的，它的每一个输入/输出点都有一个明确的固定不变的地址。一般来说，单元式的PLC采用这种I0寻址方式。

➢开关设定的I/O寻址方式

这种I/O寻址方式是由用户通过对机架和模块上的开关位置的设定来确定的。

➢用软件来设定的I/O寻址方式

这种I/O寻址方式是有用户通过软件来编制I/O地址分配表来确定的。

系列90'MMicroPLC是GEFANUC系列90MPLC家族的一员。其紧凑的物理设计，简易的安装方式，强大的控制功能，和竞争力的价格，可用于许多经费紧张，低成本的小规模控制场合。

 Micro PLC的类型

●14点Micro;

●28点Micro;

●23点Micro(带2AI/1AO);

●14点扩展Micro;

GE Multilin 7Q Comms Module Model UR 7QH UR7QH #A6

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GE Multilin 1228-0003-D2 Analog Micro Board SR469 A-000 806501 General Electric

[Used] GE Multilin  UR 6GH  DIGITAL IO, 4 Form-A Outputs, 8 Digital Inputs

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GE Multilin 1228-0003-D6 Analog Micro Board SR469 A-000 806501 General Electric

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GE Multilin, Used  UR3CH  Front Panel, C60, UR Replacement

GE Digital Energy Multilin MIF II Digital Feeder Relay MIFIIPI55E10HI<wbr>00 #A7

USED General Electric 1253-0010 Rev. A4 Multilin Power Supply Board 369-P301

GE Multilin Model 139 Motor Protection Relay RTD Sensor LR41286 139-2423

NEW GE MULTILIN MTM-120-S-A20 METER TRANSDUCER MODULE 120V 4-20MA (7 AVAILABLE)

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GE Multilin CPU Model UR-9HH PCB PN: 12A0-0082-A3 #A6

Relay GE MULTILIN MIF II Digital Feeder Relay GE Multilin Model MIFIINI01E00HI<wbr>00

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[Used] GE MULTILIN  12P0-0009-A2  Paradigm CPU Board

GE Multilin 1219-1002 SR760 Control Board Protection Relay Rev. H4 1719-1002

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[Used] GE MULTILIN  C90 PLUS, C90P-HE-PL04UD<wbr>S-XHXAEEEF02F  FRONT PANEL, CASE

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