Programmable Logic Controller Plc PPT(2)

8/7/2019 Programmable Logic Controller Plc PPT(2)

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PRESENTED BY :

RAJESH KUMAR

B. TECH . IV th year07ESOEE042


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2

1.Intorduction

. ow it Works

3. omponents

. peration

5. Programming a PLC

6.Ladder iagram and rogramming. dvantages and isadvantages

CONTENTS


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PROGRAMMABLE LOGICCONTROLLERS (PLC)

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H it r s

P C C e ts:

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CPU: is the it c tai i the icr r cess r

.Power supply unit: is ee e t c ert the ai s A.C.lta e t l D.C. V lta e.

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Programming device: is se t

e tere the req ire r rai t the e ry f the

r cess r.

Memory unit: is here ther ra is st re that is t bese f r c tr l acti s.

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Input-output sections: are here the r cess r recei es

i f r ati fr exter al e ices a c icatesi f r ati t exter al e ices.

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The S7-200 P Cs are ex a able. Ex a si les

c tai a iti al i ts a t ts. These are c ecte

t the base it si a ribb c ect r.

Expansion Modules:

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Pr gra i g a PLC :

y I r er t create r cha e a r ra , the f ll i ite s are

ee e :y P C

y Pr ra i De ice

y Pr ra i S ft are

y

C ect r Cable

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You can use a personal computer as a programming device

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Disa a ta es f P Csy T ch r req ire i c ecti ires.

y Diffic lty ith cha es r re lace e ts.

yReq iri s illf l r f rce i fi i err rs.

y Fixe r ra a licati s.

y Hi h i itial i est e t c st.

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P Cs A licati s

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THANK YOU

Programmable Logic Controller Plc PPT(2)

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