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Rouhollah

(@rouhollah)

Eminent Member

عضو شده: 7 سال قبل

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۲۲/۰۵/۱۳۹۹ ۸:۱۱ ب.ظ

سلام دوستان،

فرق این دونوع مموری در PLC S7400 چیه ، تو یه پکیج MC Flash روی CPU هست و در یک پکیج دیگه MC SRAM.

عکس هر دور را پیوست کردم.

Attachment: MC-FlASH___MC-SRAM.png

This topic was modified 56 سال قبل by mohamad reza maher

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kolahi

(@kolahi)

Estimable Member

عضو شده: 7 سال قبل

ارسال‌ها: 234

۲۴/۰۵/۱۳۹۹ ۱۱:۱۰ ب.ظ

سلام

حافظه SRAMبه رم داخلی اضافه میشه . برای حفظ اطلاعات نیاز به باتری بکاپ روی PS دارید.

حافظه FLASH بصورت اکسترنال است و دانلود به آن روش خاص دارد . اطلاعات روی آن ماندگار است و پاک نمی شود ولی دانلود به فلش CPU را استپ میده و این عیب بزرگیه!

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Rouhollah

(@rouhollah)

Eminent Member

عضو شده: 7 سال قبل

ارسال‌ها: 40

۲۶/۰۵/۱۳۹۹ ۱۱:۱۴ ق.ظ

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آیکن های موضوع: Not Replied پاسخ داده شده فعال داغ مهم تایید نشده حل شده خصوصی بسته شده

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