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Usend و bsend برای تبادل دیتا بین دو PLC400

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Ardavan

(@ardavan)

Eminent Member

عضو شده: 7 سال قبل

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۰۹/۰۲/۱۳۹۹ ۳:۰۸ ب.ظ

با سلام

دو plc s7-400 هست که برای تبادل دیتا بین دو plc از دستور usend و b send استفاده میکنم ابتدا اطلاعات بدون مشکل متصل هست ولی بعد از گذشت یه مدت قطع و وصل میشه اطلاعات بعنوان مثال 5دقیق قطع میشه دوباره وصل میشه

ولی با فانکشن get بدون هیچ مشکلی اطلاعات منتقل میشه

کل اطلاعت یه db با 52 byte حجم

اگر کسی در این مورد اطلاعاتی داره ممنون میشم راهنمای کنه

شبکه پروفی باس

باند ریت 500kb

This topic was modified 56 سال قبل by mohamad reza maher

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kolahi

(@kolahi)

Estimable Member

عضو شده: 7 سال قبل

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۰۹/۰۲/۱۳۹۹ ۱۰:۲۹ ب.ظ

بهتره وقتی ارتباط قطع میشه کد error فانکشن ها را آنالیز کنید

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Ardavan

(@ardavan)

Eminent Member

عضو شده: 7 سال قبل

ارسال‌ها: 39

۱۰/۰۲/۱۳۹۹ ۴:۲۳ ب.ظ

@kolahiکد ارور نمیده

ارور صفر هست

ولی done هم صفر میشه

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SGH

(@sgh)

Trusted Member

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۰۵/۰۳/۱۳۹۹ ۴:۴۵ ب.ظ

سلام وقت بخیر

برای ارتباط از طریق USEND از FDL Connection استفاده می کنید؟

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Ardavan

(@ardavan)

Eminent Member

عضو شده: 7 سال قبل

ارسال‌ها: 39

۱۵/۰۵/۱۳۹۹ ۱۰:۱۷ ب.ظ

@sghخیر از s7-conection

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SGH

(@sgh)

Trusted Member

عضو شده: 7 سال قبل

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۱۶/۰۵/۱۳۹۹ ۷:۰۸ ب.ظ

با این شرایط بهتره زمانی که ارتباط قطع میشود، Diagnostic Buffer کارت CP را در برنامه NCM S7 Diagnostic چک کنید.

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