Answer the following as True or False. 1. A disadvantage of HART is that the signal superimposed on the 4-20mA DC may distort the information from the process. 2. The first all digital protocol used to connect field devices with a field control system and interoperability is Foundation Fieldbus. 3. There is no 4-20mA […]
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1. What is the purpose of troubleshooting? 2. The first step in troubleshooting is to: 3. The last step in troubleshooting is to: 4. Select the one component that is not required in a feedback control loop: 5. Standard analog instrument current signal is: What are your answers before you read ahead? 1. To […]
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 communication. 4. HART has “asset management” capabilities. 5. The major application of […]
Successful Instrumentation and Control Systems Design, Second Edition by Michael D. Whitt furnishes readers with a broad understanding of the controls profession from the point of view of the design engineer.
This updated version of ISA’s top-selling book is primarily intended for the thousands of instrumentation and control systems engineers in the process industries who are responsible for designing, installing and maintaining safety instrumented systems.