07KT98 GJR5253100R4278

FF-SB12R04K-S2 HONEYWELL
J-DIM00
J-MHM10
J-MSC10
TC-CCR014
TC-OAV081
TC-ODK161
TC-PRR021
TC-PRS021
TC-XXXXX1
TK-PRR021
51304754-150
51304518-150 HONEYWELL
51304650-100 HONEYWELL
51304487-100 HONEYWELL
51304362-300 HONEYWELL

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描述

户程序一般存于CMOS静态RAM中,用锂电池作为后备电源,以保证掉电时不会丢失信息。为了防止干扰对RAM中程序的破坏,当用户程序经过运行正常,不需要改变,可将其固化在只读存储器EPROM中。现在有许多PLC直接采用EEPROM作为用户存储器。

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