IS200DSPXH1D GE

140DDM69000
140DDM69000
140DDM69000
140DDM69000
140DDM69000
1394C-SJT22-A
F8627X
F8650X PLC
F8652E

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描述

可编程控制器的存储器由只读存储器ROM、随机存储器RAM和可电擦写的存储器EEPROM三大部分构成,主要用于存放系统程序、用户程序及工作数据。只读存储器ROM用以存放系统程序,可编程控制器在生产过程中将系统程序固化在ROM中,用户是不可改变的。用户程序和中间运算数据存放的随机存储器RAM中

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