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6 MONTHS INDUSTRIALTRAINING

ATEUREKA ELECTROSOFT

SOLUTIONS PVT. LTD.CHANDIGARH

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COMPANY PROFILE EEAST offers world-class software development and Embedded System

development from India to companies across the world. Focused to provide ITenabled services at lower costs without compromising on quality, EEAST has

expertise in customized E-commerce website solution and softwareapplications development with extensive functionality.

develop effectual solutions in the fields of Web Application Development,Customized Application development, application integration; our solutionscover a range of industries including financial services, E-commerce,healthcare and medical transcription. provide high quality work that complieswith international standards.

Eureka Electrosoft Solutions Pvt. Ltd. was established in year 2001 and sincethen they are completely committed to provide customer based technologysolutions.

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PLC AND SCADA SYSTEM PLC - PROGRAMMABLE LOGIC CONTROLLER

SCADA SUPERVISIORY CONTROL AND DATAACQUISTION SYSTEM

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AUTOMATION

The act of implementing the control of equipment

with advanced technology, usually involvingelectronic hardware.

PROBLEMS IN MANUAL OPERATION

Piece to piece variation Low production

High cost of production

These all problems can be eliminated by using automated machines.

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PROGRAMMABLE LOGIC

CONTROLLER (PLC) A programmable logic controller (PLC) or programmable

controller is a digital computer used for automation of electromechanical processes, such as control of machinery on factory

assembly lines, control of amusement rides, or control of lightingfixtures.

Developed to replace relays in the late 1960s

Costs dropped and became popular by 1980s

Now used in many industrial designs

The PLC is designed for multiple inputs and output arrangements,extended temperature ranges, immunity to electrical noise, andresistance to vibration and impact.

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PLCs may need to interact with people for the purpose of

configuration, alarm reporting or everyday control.

A Human-Machine Interface (HMI) is employed for this purpose.

HMIs are also referred to as MMIs (Man Machine Interface) and GUI

(Graphical User Interface). PLCs have built in communications ports usually 9-Pin RS232 and

Ethernet. Most modern PLCs can communicate over a network to some other

system, such as a computer running a SCADA (Supervisory Control

And Data Acquisition) system or web browser.

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ADVANTAGES OF PLC Cost effective for controlling complex systems.

Flexible and can be reapplied to control other

systems quickly and easily. Computational abilities allow more sophisticated

control.

Trouble shooting aids make programming easier

and reduce downtime. Reliable components make these likely to operate

for years before failure.

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ARCHITECTURE OF PLC

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PARTS OF PLC POWER SUPPLY

MCU INPUTS AND OUTPUTS

EXPANSION PORT

MEMORY MODULE COMMUNICATION PORT

DISPLAY

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PLC MANUFACTURERSPLC MANUFACTURERS

SIEMENSSIEMENSALLEN BRADLEYALLEN BRADLEY

SCHENIDERSCHENIDER

MITSUBISHIMITSUBISHIABBABB

GENERAL ELECTRICSGENERAL ELECTRICS

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TYPES OF PLCsTypes of PLCs:

1) MICRO LOGIX 1000 PLC




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MICRO LOGIX 1000

Micro Logix 1000 brings high speed, powerful instructions andflexible communications to applications that demand compact, cost-

effective solutions.

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The MicroLogix 1000 programmable controller is available in 10-point, 16-point or 32-point digital I/O versions. Analog versions arealso available with 10 digital I/O points, with 4 analog inputs (twovoltage and two current) and 1 analog output (configurable for eithervoltage or current).

This little powerhouse is both inexpensive and compact, withfootprints as small as 120mm x 80 mm x 40 mm (4.72" x 3.15" x1.57").

RS-232 communication port configurable for direct connection to your

programming device. Over 65 instructions including simple bit, timer, and counter

instructions, as well as instructions for powerful applications likesequencers, high-speed counter, and shift registers.

Execution time for a typical 500-instruction program is only 1.56 ms.

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WIRING DIAGRAM OF

TESTING BOARD

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TESTING BOARD

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PROGRAMMING IN PLC The programming in PLC is done using Ladder Logic.

It is defined as the diagram that shows actual component signals and

the basic wiring configuration of a logic circuit.

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COMMUNICATION B/W

PLC & PC

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TYPES OF INPUTS/TYPES OF INPUTS/

OUTPUTSOUTPUTS1.1. USERUSER TYPETYPE:: TheseThese areare thethe inputsinputs andand outputsoutputs thatthat areare physicallyphysically

presentpresent andand areare practicallypractically toto thethe inputsinputs andand outputsoutputs ofof thethe PLCPLC..

2.2. BITBIT TYPETYPE:: TheseThese areare thethe inputsinputs andand outputsoutputs thatthat areare notnot physicallyphysicallypresentpresent andand areare functionalfunctional inin thethe PLCPLC onlyonly.. TheseThese inputs/outputsinputs/outputs arearebasicallybasically usedused toto drivedrive eacheach otherother inin thethe ladderladder logiclogic programmingprogramming

XIC ( Examine if closed)XIC ( Examine if closed)

I/PI/P O/PO/P

00 00

11 11

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XIO ( Examine if open)XIO ( Examine if open)

I/PI/P O/PO/P

00 11

11 00

OUTPUT ENERGIZEOUTPUT ENERGIZE

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LATCHED O/P UNLATCHED O/P

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TIMERSTimersTimers areare usedused toto performperform thethe timingtiming

operationsoperations..

TimeTime basebase isis thethe minimumminimum valuevalue ofof timetime inin

secondsecond thatthat cancan bebe takentaken byby thethe timertimer..PresetPreset valuevalue isis thethe totaltotal numbernumber ofof thethe

secondsseconds forfor whichwhich thethe timingtiming operationoperation hashas

toto bebe donedone

AccumulatorAccumulator startsstarts increasingincreasing thethe timetime inin

secondsseconds uptoupto thethe presetpreset valuevalue..UptoUpto thethe presetpreset valuevalue ofof thethe accumulatoraccumulator

thethe enableenable bitbit ofof timertimer isis highhigh && thethe timertimer

runsruns..

WhenWhen accumulatoraccumulator reachesreaches thethe presetpreset

valuevalue thenthen thethe timertimer stopsstops andand thethe donedone bitbit

ofof thethe timertimer becomesbecomes highhigh

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TIMER BITS ENEN-- EnableEnable-- ThisThis bitbit willwill highhigh whenwhen thethe inputinput isis givengiven toto

thethe timertimer

TTTT -- TimerTimer timingtiming bitbit -- ThisThis bitbit willwill bebe highhigh duringduring thethe

timingtiming processprocess.. ItIt remainsremains highhigh tilltill accumulatoraccumulator valuevalue

becomesbecomes equalequal toto presetpreset valuevalue

DNDN DoneDone ThisThis bitbit willwill bebe highhigh whenwhen thethe timingtiming processprocess

isis endedended.. ItIt setset toto highhigh whenwhen thethe accumulatoraccumulator valuevalue

becomesbecomes equalequal toto presetpreset valuevalue..

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RETENTIVE TIMER ONRETENTIVE TIMER ON

(RTO)(RTO)This is very important instruction in ladderThis is very important instruction in ladder

logiclogic

This instruction is same as timer TON.This instruction is same as timer TON.

But unlike timer when it has started timingBut unlike timer when it has started timing

process it holds the count if there is a faultprocess it holds the count if there is a fault

or there is a power failure.or there is a power failure.

When the fault is removed or powerWhen the fault is removed or power

supply is restored then RTO will start thesupply is restored then RTO will start the

timing from the accumulated value of timetiming from the accumulated value of timewhich was held when the continuity waswhich was held when the continuity was

failed.failed.

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COUNTERSCounters are used to count the number ofCounters are used to count the number of

operations.operations.

Its function is same as the timer excepts that theIts function is same as the timer excepts that the

timer counts the number of seconds and thetimer counts the number of seconds and thecounter counts the number of operations or pulsescounter counts the number of operations or pulses

At each operation the value of the accumulatorAt each operation the value of the accumulator

increases and when the value of the accumulatorincreases and when the value of the accumulator

comes to the preset value of the counter then thecomes to the preset value of the counter then the

counter stopscounter stops

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COMPARE INSTRUCTIONSThere are some compare instructions used in

programming of PLC:

EQUAL TO:-

TheThe conditioncondition isis truetrue whenwhen thethe twotwo

valuesvalues enteredentered areare equalequal.. ThenThen thisthis

instructioninstruction willwill bebe energizedenergized

&& willwill energizeenergize everythingeverything thatthat isis connectedconnected nextnext toto itit

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GREATER THAN EQUAL TO:GREATER THAN EQUAL TO:

ThisThis instructioninstruction comparescompares twotwo valuesvalues andand willwill bebe

highhigh whenwhen thethe countedcounted valuevalue becomesbecomes equalequal toto oror

greatergreater thanthan thethe fixedfixed valuevalue andand willwill energizeenergize thethe

EverythingEverything thatthat isis connectedconnected nextnext toto itit

LESSLESS THANTHAN EQUALEQUAL TOTO::

ThisThis instructioninstruction comparescompares twotwo valuesvalues

andand willwill bebe highhigh whenwhen thethe countedcounted valuevalue

becomesbecomes equalequal toto oror lessless thanthan thethe fixedfixed

valuevalue andand willwill energizeenergize thethe everythingeverything

thatthat isis connectedconnected nextnext toto itit

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LIMIT:LIMIT:--ThisThis commandcommand isis usedused toto drivedrive anan outputoutput

withinwithin aa specifiedspecified rangerange ofof timetime..InIn thisthis instructioninstruction wewe havehave toto givegive thethe twotwo

valuesvalues.. OneOne isis lowerlower limitlimit && otherother isis highhigh

limitlimit..

LowerLower limitlimit isis thethe valuevalue ofof timetime afterafter thisthis

instructioninstruction willwill bebe truetrue && highhigh limitlimit

isis thethe maxmax valuevalue upup toto whichwhich thisthis instructioninstruction remainsremains highhigh..

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PROGRAMS OF PLC SIMPLE TIMING OPERATIONSIMPLE TIMING OPERATION

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TIMER OPERATION

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EXAMPLE OF

RETENTITVE TIMER(RTO)

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COUNTER APPLICATION

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PROGRAMS RELATED TO

BOOLEAN EXPRESSIONS

Y = A B + A B C D

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THANK YOUSANJEEV KUMAR

Y-5355

L-605052425

EE-8th

SEM

6 mnths trng y5355,l605052425

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