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مفهوم Deactivate Safety در سیستم های Fail safe

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Sadeh

(@sadeh)

Reputable Member

عضو شده: 7 سال قبل

ارسال‌ها: 250

۰۶/۰۶/۱۴۰۲ ۸:۳۵ ب.ظ

با عرض سلام

در سیستم های 300F و 400F/FH در قسمت Edit Safety یک امکان برای Deactive یا Active کردن safety داره

من مفهومش را متوجه نمیشم . غیر فعال کردن safety در عمل منجر به چه حالتی در سیستم کنترل میشه ؟ چه فالتی میاد و کلاً مفهومش چیه؟

ممنون اگر وقت بزارید و راهنمایی کنید

نقل‌قول

amir omidi

(@amiromidi)

Trusted Member

عضو شده: 7 سال قبل

ارسال‌ها: 56

۱۱/۰۶/۱۴۰۲ ۹:۵۴ ق.ظ

درود بر شما

به نظر من در مواقعی که safety فعال نیست، قابلیت ها و مزیت های یک سیستم fail safe از دست می رود و سیستم همانند یک سیستم معمولی رفتار میکند مثلا به جای اینکه آدرس های safe را از باس profisafeبخواند از باس profibus بخواند و یا اینکه قابلیت های سخت افزاری کارت ها (مثل عملکرد ریداندانت میکروکنترلرها د رکارت های خروجی) غیر فعال گردد. از نظر فالت هم اگر اشتباه نکنم!، زمانی که حالت safety غیرفعال گردد چراغ safe روی کارت های fail safe خاموش می شود.

پاسخنقل‌قول

kolahi

(@kolahi)

Estimable Member

عضو شده: 7 سال قبل

ارسال‌ها: 234

۱۴/۰۶/۱۴۰۲ ۹:۴۹ ب.ظ

با سلام

آقای مهندس امیدی پاسخ دقیق را دادند

من همینقدر اضافه کنم که وقتی مد safe فعال نیست یعنی پروتکل safety در CPU پردازش نمی شود و با ماژول های F از طریق Profisafe با آدرس دیپ سوئیچ ها ارتباط نمی گیرد و در نتیجه فالت کارت یا نتیجه voting منجر به shutdown و تضمین شرایط ایمن فرآیند نمی شود.

پاسخنقل‌قول

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آخرین ارسال: راه اندازی کلاینت جدیدترین عضو ما: saeid ارسال های اخیر Unread Posts Tags

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

Super Globals

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