TUNE YOUR LOOP: Questions to keep you sharp.

Tune Your Loop is a series of posts consisting of questions from ISA Training Courses.

Answer the following as True or False.

1. With respect to HART and FF, the term DD usually refers to Direct Digital.

2. HART means “highway asynchronous remote transmitter”.

3. HART is considered to be the first all digital protocol used for field

4. HART has “asset management” capabilities.

5. The major application of a valve positioner is for signal conversion.

6. HART protocol was developed in the late 1980’s and the applications are still


What are your answers before you read ahead?

1. F

2. F

3. F

4. T

5. F

6. T


From the ISA Course Troubleshooting Instrumentation and Control Systems (TC10)

pre-instructional survey.

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