2.5: Assessment
True/False
Indicate whether the statement is true or false.
____ 1. Radio telemetry is not used much to communicate field data as it is expensive and limited in range to only several hundred feet from the device.
____ 2. Remote Telemetry Units (RTUs) and Programmable Logic Controllers (PLCs) serve roughly the same purpose, monitoring process feedback and sending the data to a centralized computer.
____ 3. A logic programming language that is similar to an AC wiring diagram is called a Function Block Diagram.
____ 4. SCADA systems can be networked in either a LAN or a WAN.
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____ 5. Which of the following is not a part of industrial control systems?
| a. Supervisory Control and Data Acquisition | c. Production Control Systems |
| b. Distributed Control Systems | d. Programmable Logic Controllers |
____ 6. Which of the following is not one of the main methods by which measurement data is communicated to a system?
| a. Computer protocols, such as serial communications | c. Binary alarms |
| b. Analog devices | d. Digital devices |
____ 7. Which of the following is not a function of SCADA data?
| a. Providing information from which reports and trending data can be generated | c. Providing meaningful displays for operators |
| b. Monitoring and annunciating alarm conditions | d. All of the above |
Completion
Complete each sentence.
8. A system that provides for remote monitoring and control of industrial devices and equipment (bringing plant/process data into a computer systems) is known as ________________________.
9. ______________________ can be either digital or analog devices that provide an audible warning of a condition.
Short Answer
10. Discuss some of the useful information that SCADA reports can provide.
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