Diploma in EEE Study Material | CONTROL OF ELECTRICAL MACHINES Unit 5 | Yuvasallinfo
Diploma in EEE Study Material | CONTROL OF ELECTRICAL MACHINES Unit 5 | Yuvasallinfo
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CONTROL OF ELECTRICAL MACHINES Study Material, Diploma Study Material ,PLC PROGRAMMING given Below:
RATIONALE
Various control operations are to be performed on the electrical machines to suit the industrial requirements. Technician is mainly employed to look after the control panels. To make our students employable, they have to be trained in using various control components and circuits. This subject fulfils that requirement.
OBJECTIVES
To understand Electrical control circuit elements including various types of industrial switches, relays, timers, solenoids, contactors and interlocking arrangement. AC motor control circuits for acceleration control, speed control, direction control, braking control and jogging using contactors. Different control circuits for industrial applications. Basics of programmable logic controller. PLC Programming.
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CONTROL OF ELECTRICAL MACHINES
PLC PROGRAMMING
Unit 5 Important 2 Marks
1. Name the different types of PLC programming languages.
2. Expand the term FBD and STL.
3. Expand the term SFC and ST.
4. What is ladder diagram?
5. Give any 2 relay type instructions.
6. Explain EXAMINE IF CLOSED instruction and assign its address.
7. Explain EXAMINE IF OPEN instruction and assign its address.
8. Draw the symbol of LATCH instruction and assign the address
9. Draw the symbol of UNLATCH instruction and assign the address
10. State the different types of timer instruction.
11. What is a TON instruction?
12. What is a TOF instruction?
13. State the different types of timer instruction.
14. What is a CTU instruction?
15. What is a CTD instruction?
16. What is preset in timer instruction?
17. What is accumulator in timer instruction?
18. What is preset in counter instruction?
19. What is accumulator in counter instruction?
20. What is the need of cascaded timer instruction?
21. What is the need of cascaded counter instruction?
Unit 5 Important 3 Marks
1. Write short notes on ladder diagram.
2. Draw the schematic diagram of scanning of ladder diagram.
3. Write short notes on FBD
4. Write shot notes on STL
5. Write short note on XIC instruction.
6. Write short note on XIO instruction.
7. Write short note on OTE instruction.
8. Write short note on OTL instruction.
9. Write short note on OTU instruction.
10. Write short note on OSR instruction.
11. Why do we need timer instructions?
12. Explain various parameters associated with timer instruction.
13. Develop simple ladder logic using TON instruction.
14. Develop simple ladder logic using TOF instruction.
15. Develop simple ladder logic using CTU instruction.
16. Develop simple ladder logic using CTD instruction.
17. What is a RTO instructions?
18. Why do we need counter instructions?
19. Explain various parameters associated with counter instruction.
Unit 5 Important 10 Mark Questions
1. Briefly discuss about different types of PLC programming languages.
2. With neat symbol explain about different types of relay type instructions.
3. What is a TON instruction? Explain its working with the help of suitable ladder diagram and timing diagram.
4. What is a TOF instruction? Explain its working with the help of suitable ladder diagram and timing diagram.
5. Explain the operation of cascaded timers with suitable ladder diagram.
6. What is a CTU instruction? Explain its working with the help of suitable ladder diagram and timing diagram.
7. What is a CTD instruction? Explain its working with the help of suitable ladder diagram and timing diagram.
8. Make UP-DOWN counter using CTU and CTD instructions and explain its working.
9. Explain the operation of cascaded counters with suitable ladder diagram.
10. Develop ladder logic for DOL starter and explain the sequence of operation.
11. Develop ladder logic for star delta starter and explain the sequence of operation
12. Develop ladder logic for rotor resistance starter and explain the sequence of operation.
13. Develop ladder logic for EB to Generator changeover and explain the sequence of operation.
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