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Latest ProfiBus Questions and Answers

S Bharadwaj Reddy
ProfiBus Questions and Answers What happens if the PROFIBUS cable has a short-circuit? A short-circuit at the PROFIBUS cable can disturb a data communication in the particular segment. The devices

What is HART, Foundation Fieldbus & Profibus ?

S Bharadwaj Reddy
What is HART ? HART stands for ‘Highway Addressable Remote Transducer’ and is a standard originally developed as a communications protocol for control field devices operating on a 4-20 mA control signal.

What is a Fieldbus ?

S Bharadwaj Reddy
Fieldbus is a digital two-way multidrop communication link between intelligent field devices. It is a local area network dedicated to industrial automation. It replaces centralized control networks with distributed control

Comparison between Foundation Fieldbus and Profibus

S Bharadwaj Reddy
Foundation Fieldbus FOUNDATION Fieldbus is an all-digital, serial, two-way communications system that serves as the base-level network in a plant or factory automation environment. It is an open architecture, developed

Fieldbus vs 4-20mA

S Bharadwaj Reddy
The sensors and actuators that are connected to the inputs and outputs (IO) of a Programmable Controller or PLC are normally mounted in the plant. Therefore the IO connections of

How Profibus Communication Works

S Bharadwaj Reddy
Introduction to Profibus If Modbus is the “granddaddy” of protocols, then Profibus is the young athlete – lean and fast. Profibus was designed in the 1990s to meet all industrial

Difference between Fieldbus and Profibus

S Bharadwaj Reddy
The short answer is: although both “buses” are very similar, they are not the same! Here is what’s different: PROFIBUS is the overall name for a process fieldbus solution that

Profibus Communication Interview Questions & Answers

S Bharadwaj Reddy
Read the frequently asked Profibus Communication Interview Questions & Answers useful for Automation Engineers, PLC Engineers, DCS Engineers. Profibus Communication Questions What is PI ? PI was formerly know as

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