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Welcome to the official blog of the International Society of Automation (ISA).

This blog covers numerous topics on industrial automation such as operations & management, continuous & batch processing, connectivity, manufacturing & machine control, and Industry 4.0.

The material and information contained on this website is for general information purposes only. ISA blog posts may be authored by ISA staff and guest authors from the automation community. Views and opinions expressed by a guest author are solely their own, and do not necessarily represent those of ISA. Posts made by guest authors have been subject to peer review.

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AutoQuiz: What Is the Process for a Continuity Check of a Field Transmitter?

AutoQuiz is edited by Joel Don, ISA's community manager.

Today's automation industry quiz question comes from the ISA Certified Control Systems Technician (CCST) program. Certified Control System Technicians calibrate, document, troubleshoot, and repair/replace instrumentation for systems that measure and control level, temperature, pressure, flow, and other process variables. Click this link for information about the CCST program. This question comes from the Level I study guide, Domain 3, Troubleshooting. Level I represents a professional who has a five-year total of education, training, and/or experience.

A continuity check should take place prior to hookup of a field transmitter to the control room so the technician: 

a) can make sure the transmitter is being hooked up to the  proper indicator/controller
b) can make sure the proper voltages are present
c) can make sure that he continues hook-up on a particular transmitter
d) knows he may connect another transmitter to the loop circuit
e) none of the above

 

A continuity check is a test performed on a length of finished wire or cable to determine if the electrical current flows continuously throughout the length. Each conductor may also check off against each other to ascertain that no shorts exist. This makes sure the transmitter is hooking up to the indicator that one is expecting it to hook up to, which is to say, they are connected.

The best answer is A.

 

Joel Don
Joel Don
Joel Don is an independent content marketing, social media and public relations consultant. Prior to his work in marketing and PR, Joel served as an editor for regional newspapers and national magazines throughout the U.S. He earned a master's degree from the Medill School at Northwestern University with a focus on science, engineering and biomedical marketing communications, and a bachelor of science degree from UC San Diego.

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