Programmable Logic Controller & Microcontroller Dec 2016 Paper

PROGRAMMABLE LOGIC CONTROLLER AND MICROCONTROLLERS
6TH SEMESTER Exam/Elect./EEE/EE/5228/Dec 2016

PROGRAMMABLE LOGIC CONTROLLER & MICROCONTROLLER DEC 2016 SECTION-A

Q1. FILL IN THE BLANKS 15×1=15

in PLC, IL stands for Instruction list
PLC stands for Programmable Logic Controller .
Sinking is common GND (Ground) Line.
There are Three (3) types of timers in PLC.
PLC consists of a Ladder Logic commonly used set of symbols that represent instructions.
PLC controller can be reprogrammed through a computer but through Manual Programmers or Consoles.
Copy instruction copies from one list to another.
One instruction will allow a line to true for only one Scan.
8051 microcontroller has 4K bytes of ROM.
Register SP stands for Stack Pointer.
The maximum size of program memory in 8051 can be 256 Byte.
A program that consists of 0s and 1s is called Machine Language Program
LED Seven segment displays are very commonly used numeric display.
Keyboards are most widely used Input Device.
LCD stands for Liquid Crystal Display.

SECTION-B

Q2. Attempt any five questions. 5×6=30

What are limitations of relays?
Name different parts of PLC ?
Name different comparison instructions ?
What do you mean by Timers? Explain different types of of timers ?
How micro-controller differs from a microprocessor ?
Write short note on application of PLC in car parking System ?
Write the steps to execute an Assembly Language Program ?
Explain with circuit diagram how analog signal can be read by 8051 with help of ADC ?

SECTION-C

Q3. Attempt any three questions. 3×10=30

What do you mean by Input /Output modules? Explain different types of I/O Modules ?
What do you mean by sequencers? Explain different types of of sequencers.
Draw the pin diagram of 8051 and explain function of each pin ?
Explain LCD interfacing with 8051 ?
Write short note on any two :
1. Counter
2. Memory organisation.
3. Ladder Diagram

PROGRAMMABLE LOGIC CONTROLLER AND MICROCONTROL
LERS
6TH SEMESTER Exam/Elect./EEE
/EE/5228/DEC 2016

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Section a FILL IN THE BLANKS PROGRAMMABLE LOGIC CONTROLLER & MICROCONTROLLER DEC 2016

in PLC, IL stands for _______.

in PLC, IL stands for Instruction list

PLC stands for ___________.

PLC stands for Programmable Logic Controller .

Sinking is common __________ Line

Sinking is Common GND (Ground) Line.

There are ________ types of timers in PLC.

There are Three (3) types of timers in PLC.

PLC Consists of a __________ commonly used set of symbols that represent instructions

PLC Consists of a Ladder Logic commonly used set of symbols that represent instructions.

PLC controller can be reprogrammed through a computer but through ___________.

PLC controller can be reprogrammed through a computer but through Manual Programmers or Consoles.

______ instruction copies from one list to another.

Copy instruction copies from one list to another.

____ instruction will allow a line to true for only one Scan.

One instruction will allow a line to true for only one Scan.

8051 microcontroller has _____ bytes of ROM.

8051 microcontroller has 4K bytes of ROM.

The maximum size of program memory in 8051 can be ______.

The maximum size of program memory in 8051 can be 256 Byte.

A program that consists of 0s and 1s is called ________.

A program that consists of 0s and 1s is called Machine Language Program

LED ______ segment displays are very commonly used numeric display.

LED Seven segment displays are very commonly used numeric display.

Keyboards are most widely used ______ Device.

Keyboards are most widely used Input Device.

LCD stands for __________.

LCD stands for Liquid Crystal Display.

PROGRAMMABLE LOGIC CONTROLLER AND MICROCONTROLLERS 6TH SEMESTER Exam EEE/EE/5228/Dec 2016 Click Here

Section B :PROGRAMMABLE LOGIC CONTROLLER & MICROCONTROLLER DEC 2016

What are limitations of Relays?

Limitations of Relays

Name Different Parts of PLC ?

Parts of PLC

Name different comparison instructions ?

Different comparison instructions

What do you mean by Timers? Explain different types of of timers ?

Timers and different types of of timers

How micro-controller differs from a microprocessor ?

Micro-controller differs from a microprocessor

Write short note on application of PLC in car parking System ?

Application of PLC in car parking System

Write the steps to execute an Assembly Language Program ?

Steps to execute an Assembly Language Program

Explain with circuit diagram how analog signal can be read by 8051 with help of ADC ?

8051 with help of ADC

PROGRAMMABLE LOGIC CONTROLLER AND MICROCONTROLLERS 6TH SEM EEE/5228/Dec 2016 Click Here