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A step into ConnectivityRiccardo Nardetto

21/06/2012

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Every day people follow rules written orunwritten rules of society.

As well for devices there are rules, these set ofrules are called protocols.

hey define a lan!ua!e and a set of rules andprocedures that ena"le devices and syste#s toco##unicate.

PROTOCOLS = LANGUAGES

Protocols?

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$hat happen if you have different protocol in asa#e networ%&

'evices with different protocols are li%e hu#ans

spea%in! different lan!ua!es, you need atranslator. his (ranslator) is called *AE$A+.

DIFFERENT PROTOCOLS INA SAME NETWORK

Different Protocols?

=

>

GATEWAY

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he ost Co##on -rotocols in AC are

on$or%

http//www.lon#ar%.or!/

ACnet

http//www."acnet.or!/

Most Common Protocols?

od"us

http//www.#od"us.or!/

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Modbus

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3ntroduced in the 450s, od"us has now"eco#e one of the #ost widely used protocolsin 7.

Carel controllers 8e.!. -C9, -:;< are a"le toco##unicate directly usin! the od"usprotocol.

Modbus

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Na#e Mod8icon< bus

'9 1=50s

Created "y odicon

8today 7chneider Electric