6ES7312-1AE13-0AB0 CPU312，32K内存

6ES7312-1AE13-0AB0 CPU312，32K内存

使用PLC，就是以软件程序来取代硬件配线。传统电工图当中，主电路是PLC无法取代的；plc可以取代的部分，是控制电路。由传统电工图转换为阶梯图的第一个步骤，就是i/o编码，亦即将传统电工图中的输入/输出组件，先行确定其在PLC中所拟对应之外部输入/输出端子编号，以及外部输入组件接线方式是采用a/b接点。

(a)：外部採a接点方式接线

(b)：外部採b接点方式接线

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1 SYMAX INPUT MODULE ANALOG RIM125 SQUARE D (2018)

MODICON ANALOG INPUT MODULE PART #B875-011 

Modicon AS-BADU-205 ASBADU205 Analog Input LNC

Westinghouse NL-542 NL542 6ES54648ME11 Analog Input

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Siemens Simatic S5 Analog Input Card 6ES54648ME11

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Horner Electric Analog Input HE160ADC160 ! WOW !

Square D SY/MAX RIM-125 Analog Input Module

RELIANCE ELECTRIC ANALOG INPUT 57C409 **NEW**

IMASM04 Bailey Controls Analog Input Module

GE FANUC IC693ALG220F INPUT ANALOG 

RELIANCE ELECTRIC 61C542A ANALOG INPUT *NEW*

GE FANUC IC693ALG221G INPUT ANALOG 4PT

GE FANUC IC693ALG220G INPUT ANALOG 4PT

Siemens ET200B 4 Analog Input 6ES7134-0HF00-0XB0

Analog Devices Input Module M# 3B40-00 NEW ~NIS SUR.~

Allen Bradley SLC 500 Analog Input 1746-NI8 User Manual

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TI Siemens 505-6108A 8 Ch Analog Input