Exam ISA-IEC-62443 Topic 1 Question 89 Discussion

Actual exam question for ISA's ISA-IEC-62443 exam
Question #: 89
Topic #: 1
Which is the implementation of PROFIBUS over Ethernet for non-safety-related communications?
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Suggested Answer: C Vote an answer

PROFINET is the implementation of PROFIBUS over Ethernet for non-safety-related communications. It is a standard for industrial Ethernet that enables real-time data exchange between automation devices, controllers, and higher-level systems. PROFINET uses standard Ethernet hardware and software, but adds a thin software layer that allows deterministic and fast communication. PROFINET supports different communication profiles for different applications, such as motion control, process automation, and functional safety. PROFINET is compatible with PROFIBUS, and allows seamless integration of existing PROFIBUS devices and networks123 References: 1: What is PROFINET? - PI North America 2: PROFINET - Wikipedia 3: PROFINET Technology and Application - System Description

by Pete at Jul 31, 2026, 01:01 AM

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