r05411002 Pc Based Instrumentation
Content
Code No: R05411002
Set No. 1
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the different components included on the motherboard of a PC. Draw typical layout diagram of mother board and explain. [16] 2. Explain the standard GPIB bus structure with the help of diagram. [16]
3. (a) Explain how a single character can be returned from the key board in C .Write an example program. (b) Explain how a string of characters can be returned from the key board in C. Write an example program. [8+8] 4. Draw and explain the input and output modules of a PLC. 5. What are the basic instructions used to program a PLC. Explain in detail. 6. Explain the different types of registers available in a PLC. 7. Write shot notes on the following: (a) Characteristics of PID module (b) PLC PID operation. 8. Explain how the MONITOR mode function is used for PLC program analysis.[16] ⋆⋆⋆⋆⋆ [16] [16] [16] [8+8]
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Code No: R05411002
Set No. 2
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the different components included on the motherboard of a PC. Draw typical layout diagram of mother board and explain. [16] 2. What is RS232C interface? Explain the advantages, limitations and specifications. [16] 3. (a) Describe the need for an operating system. (b) Describe the steps involved in loading whenever the system is booted. [8+8] 4. Describe in detail each block of the PLC CPU power supply including the battery backup system with the help of block diagram. [16] 5. Explain different types of PLC output devices used in programming with their symbols. [16] 6. Write short notes on the following PLC functions: (a) Arithmetic functions (b) Comparison functions. 7. (a) Differentiate discrete and analog operation of a PLC. (b) Explain PLC analog signal processing. 8. Explain different types of high level languages used to program a PLC. ⋆⋆⋆⋆⋆ [8+8] [16] [8+8]
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Code No: R05411002
Set No. 3
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the different components included on the motherboard of a PC. Draw typical layout diagram of mother board and explain. [16] 2. Explain talkers, listeners, controllers and signal lines of standard GPIB bus structure with the help block diagram. [16] 3. (a) Describe the steps involved in developing assembly language programs. (b) List out the software tools required in the development process of assembly Language programming. [10+6] 4. Discuss the advantages & disadvantages of PLC. 5. Draw the ladder diagram to represent: (a) Two switches are normally open and both have to be closed for a motor to operate. (b) A lamp is to be switched on if there is an input from sensor A or sensor B. (c) A light is to come on if there is no input to a sensor. (d) A motor is switched on by pressing a spring - return push button start switch and the motor remains on until another spring - return push button stop switch is pressed. [4+4+4+4] 6. (a) What are the general characteristics of registers in a PLC. (b) List the five major types of registers in a PLC. [8+8] [16]
7. (a) List and define the various major types of PLC analog inputs and outputs. (b) Describe the internal PLC operation for analog I/O operation. 8. Explain state language programming of a PLC. ⋆⋆⋆⋆⋆ [8+8] [16]
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Code No: R05411002
Set No. 4
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain about the functional units of motherboard and their inter communication with typical diagram. [16] 2. What is RS232C interface? Explain the advantages, limitations and specifications. [16] 3. What is assembly language programming? Describe in detail the Advantages and disadvantages of assembly language programming. [16] 4. (a) what is the need for isolator? What type of isolator is used with PC based instruments? (b) What is Sinking device and Sourcing device? How they are connected to power supply. [8+8] 5. Explain different types of programming devices of a PLC. 6. Describe the PLC digital bit Control system. 7. (a) Differentiate discrete and analog operation of a PLC. (b) Explain PLC analog signal processing. 8. Explain different types of high level languages used to program a PLC. ⋆⋆⋆⋆⋆ [8+8] [16] [16] [16]
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Set No. 1
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the different components included on the motherboard of a PC. Draw typical layout diagram of mother board and explain. [16] 2. Explain the standard GPIB bus structure with the help of diagram. [16]
3. (a) Explain how a single character can be returned from the key board in C .Write an example program. (b) Explain how a string of characters can be returned from the key board in C. Write an example program. [8+8] 4. Draw and explain the input and output modules of a PLC. 5. What are the basic instructions used to program a PLC. Explain in detail. 6. Explain the different types of registers available in a PLC. 7. Write shot notes on the following: (a) Characteristics of PID module (b) PLC PID operation. 8. Explain how the MONITOR mode function is used for PLC program analysis.[16] ⋆⋆⋆⋆⋆ [16] [16] [16] [8+8]
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Code No: R05411002
Set No. 2
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the different components included on the motherboard of a PC. Draw typical layout diagram of mother board and explain. [16] 2. What is RS232C interface? Explain the advantages, limitations and specifications. [16] 3. (a) Describe the need for an operating system. (b) Describe the steps involved in loading whenever the system is booted. [8+8] 4. Describe in detail each block of the PLC CPU power supply including the battery backup system with the help of block diagram. [16] 5. Explain different types of PLC output devices used in programming with their symbols. [16] 6. Write short notes on the following PLC functions: (a) Arithmetic functions (b) Comparison functions. 7. (a) Differentiate discrete and analog operation of a PLC. (b) Explain PLC analog signal processing. 8. Explain different types of high level languages used to program a PLC. ⋆⋆⋆⋆⋆ [8+8] [16] [8+8]
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Code No: R05411002
Set No. 3
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. What are the different components included on the motherboard of a PC. Draw typical layout diagram of mother board and explain. [16] 2. Explain talkers, listeners, controllers and signal lines of standard GPIB bus structure with the help block diagram. [16] 3. (a) Describe the steps involved in developing assembly language programs. (b) List out the software tools required in the development process of assembly Language programming. [10+6] 4. Discuss the advantages & disadvantages of PLC. 5. Draw the ladder diagram to represent: (a) Two switches are normally open and both have to be closed for a motor to operate. (b) A lamp is to be switched on if there is an input from sensor A or sensor B. (c) A light is to come on if there is no input to a sensor. (d) A motor is switched on by pressing a spring - return push button start switch and the motor remains on until another spring - return push button stop switch is pressed. [4+4+4+4] 6. (a) What are the general characteristics of registers in a PLC. (b) List the five major types of registers in a PLC. [8+8] [16]
7. (a) List and define the various major types of PLC analog inputs and outputs. (b) Describe the internal PLC operation for analog I/O operation. 8. Explain state language programming of a PLC. ⋆⋆⋆⋆⋆ [8+8] [16]
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Code No: R05411002
Set No. 4
IV B.Tech I Semester Regular Examinations, November 2008 PC BASED INSTRUMENTATION (Electronics & Instrumentation Engineering) Time: 3 hours Max Marks: 80 Answer any FIVE Questions All Questions carry equal marks ⋆⋆⋆⋆⋆ 1. Explain about the functional units of motherboard and their inter communication with typical diagram. [16] 2. What is RS232C interface? Explain the advantages, limitations and specifications. [16] 3. What is assembly language programming? Describe in detail the Advantages and disadvantages of assembly language programming. [16] 4. (a) what is the need for isolator? What type of isolator is used with PC based instruments? (b) What is Sinking device and Sourcing device? How they are connected to power supply. [8+8] 5. Explain different types of programming devices of a PLC. 6. Describe the PLC digital bit Control system. 7. (a) Differentiate discrete and analog operation of a PLC. (b) Explain PLC analog signal processing. 8. Explain different types of high level languages used to program a PLC. ⋆⋆⋆⋆⋆ [8+8] [16] [16] [16]
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