Communication Protocols for Process control instrument QA

Communication Protocols for Process control instrument QA

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*************What You Will Learn****************************

The transmission of information between two points (e.g., transmitter and controller) without alteration of sequence or structure of the information content is known as Communication.

Communication technologies are backbone of process control, it tie process control instruments together with host systems, network masters, and other nearby devices. Fieldbuses—all-digital device networks—in which individual devices are taking over network control responsibilities, directing their fellow devices, and managing entire loops in the field.

This practice test will introduce you to the range of device communication technologies commonly used in the process control industry.

You will learn about basic analog communication technology and the various digital communication technologies such as HART to FOUNDATIO Fieldbus, and the benefits and limitations of each technology.

This practice test contains the following :

*****Importance of communication technologies

     In this section, you will learn:

❑ The role of communication technology in process control

❑ The fundamental components involved in transmitter communication

❑ The difference between analog and digital communication signals

❑ Advantages of digital communication technologies over analog communication technologies.

******HART communication protocol

❑ How HART devices communicate

❑ The analog-to-digital (A/D) and digital-to-analog (D/A) conversion process

❑ Advantages of HART communication technology

❑ What burst mode

❑ Multidrop networking with HART devices

❑ How a HART communicator is connected to a control loop

❑ What is device description

******FOUNDATION Fieldbus protocol

❑ Function block

❑ The resource block and transducer block

❑ FOUNDATION Fieldbus function blocks and their uses

❑ Advantages of FOUNDATION Fieldbus technology

❑ List three restrictions of FOUNDATION Fieldbus networks

❑ What is network topology

❑ How instruments communicate on a FOUNDATION Fieldbus network

❑ How intrinsic safety concerns impact a FOUNDATION Fieldbus network

******Profibus protocol

Profibus is a fieldbus—a sophisticated, two-way, digital-only communication protocol. Profibus is fundamentally designed to meet high-speed factory automation needs; one of the protocol’s variants has been adapted to meet process control needs.

You will learn three different variants of Profibus, each with a different purpose. The three protocols are:

❑ Profibus-FMS

❑ Profibus-DP

❑ Profibus-PA

******Proprietary communication protocols

• Modicon Modbus

• Honeywell DE

• Foxboro FoxCom

• Yokogawa BRAIN

***** I Hope you will find Quiz very useful. *****************

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Fundamental Question on HART, FOUNDATION Fieldbus, Profibus and Proprietary communication protocols

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What you will learn

• ❑ The role of communication technology in process control
• ❑ The fundamental components involved in transmitter communication
• ❑ The difference between analog and digital communication signals

Rating: 2.5

Level: All Levels

Duration: 60 questions

Instructor: Mahendra Singh