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HMI/ SCADA Fundamentals MIDTERM EXAMINATION
I. Fill in the blanks with the appropriate word/words that would make the statement true.
1. The main purpose of industrial automation is ______________ _____________________________.
2. HMI’s are operator interface terminals where people ________________with machines.
3. PLC’s are used to control various types of _____________________ and _____________________.
4. For factory or machine automation, output is quantified in ____________ _______________________.
5. ____________________________are capable of displaying high resolutions and animation.
6. ____________________________ is a computer based control systems that monitor and control industrial processes
7. Encoders are used as _____________ for motion controls.
8. Up counters CTU of S7-200, contact transition happens when the count value reach _______________.
9. For process automation, output is quantified in __________________ _________________________.
10. __________________________ is a control system in which the control elements are not in central location.
11. __________________________ refers to the hardware, software and protocols that would allow exchange of data between industrial automation components.
12. __________________________ are limited only in displaying texts and ASCII characters.
13. Software based HMI’s normally requires ______________________ software aside from configuration software.
14. ____________________________ are high-end sensors that is capable of distinguishing between colors, shape, size , text, characters, orientation, profiles and other physically distinguishable traits.
15. In creating ladder from SFC’s, the ______________________ activates the current step while deactivating the previous step when the corresponding transition becomes true.
16. In the set-reset command of S7-200, the number below the coil indicates the ____________________________.
17. Down counters CTD of S7-200, contact transition happens when the count value reach _______________.
18. ________________________ are identical with PLC’s in most aspects
but is not capable of arithmetic functions.
19. ___________________________ are flow representation of a sequential system representing steps as boxes.
20. Up-Down counters CTUD of S7-200, contact transition happens when the count value reach _______________.
II. ENUMERATION
1. Classification of Industrial Automation Systemsa. _____________________________b. _____________________________
2. Components of Industrial Automationa. _____________________________b. _____________________________c. _____________________________d. _____________________________e. _____________________________
3. Other terminologies for HMI’sa. _____________________________b. _____________________________c. _____________________________
4. Classification of Actuatorsa. _____________________________b. _____________________________c. _____________________________d. _____________________________
5. Advantages of using HMI’sa. _____________________________b. _____________________________c. _____________________________
d. _____________________________e. _____________________________
6. Purpose of Interfacesa. _____________________________b. _____________________________c. _____________________________d. _____________________________e. _____________________________
7. Types of Controllersa. _____________________________b. _____________________________c. _____________________________d. _____________________________e. _____________________________f. _____________________________g. _____________________________h. _____________________________
8. Types of HMIa. _____________________________b. _____________________________c. _____________________________d. _____________________________
9. Classification of Sensorsa. _____________________________b. _____________________________c. _____________________________d. _____________________________e. _____________________________
10. Types of Proximity Sensorsa. _____________________________b. _____________________________
11. Functions of a PLCa. _____________________________b. _____________________________c. _____________________________d. _____________________________e. _____________________________
III. PRACTICAL EXAMINATION
