<?xml version='1.0' encoding='UTF-8'?><?xml-stylesheet href="http://www.blogger.com/styles/atom.css" type="text/css"?><feed xmlns='http://www.w3.org/2005/Atom' xmlns:openSearch='http://a9.com/-/spec/opensearchrss/1.0/' xmlns:georss='http://www.georss.org/georss' xmlns:gd='http://schemas.google.com/g/2005' xmlns:thr='http://purl.org/syndication/thread/1.0'><id>tag:blogger.com,1999:blog-1545861713472034836</id><updated>2012-02-16T20:07:02.679-08:00</updated><title type='text'>automazione (sensori e trasduttori)</title><subtitle type='html'>visita il sito www.tininternet.it.
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Vai alla pagina elettrica e poi sensori e trasduttori.</subtitle><link rel='http://schemas.google.com/g/2005#feed' type='application/atom+xml' href='http://tininternet.blogspot.com/feeds/posts/default'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/1545861713472034836/posts/default?max-results=100'/><link rel='alternate' type='text/html' href='http://tininternet.blogspot.com/'/><link rel='hub' href='http://pubsubhubbub.appspot.com/'/><author><name>Domenico</name><uri>http://www.blogger.com/profile/07092890981566859711</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><generator version='7.00' uri='http://www.blogger.com'>Blogger</generator><openSearch:totalResults>11</openSearch:totalResults><openSearch:startIndex>1</openSearch:startIndex><openSearch:itemsPerPage>100</openSearch:itemsPerPage><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-725752813308074941</id><published>2010-09-28T12:28:00.000-07:00</published><updated>2011-03-19T12:10:18.705-07:00</updated><title type='text'>nozioni di base programmazione plc</title><content type='html'>&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;/span&gt;&lt;br /&gt;&lt;blockquote&gt;&lt;div&gt;&lt;div&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Nell’ automazione industriale oggi viene usato il PLC&amp;nbsp;&amp;nbsp;&lt;img border="0" height="269" src="http://www.tininternet.it/images/plcomron.jpg" width="281" /&gt;&amp;nbsp; (controllore a logica programmabile), che facilita il processo industriale velocizzando la produzione, migliorandone la qualità, ridurre gli scarti della lavorazione, abbattendo i costi della lavorazione e dei prodotti e conformarsi alle leggi o regolamenti.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Un sistema automatico comprende due processi:&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;1)PROCESSO FISICO.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;div&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;2)PROCESSO DI CONTROLLO.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;/div&gt;&lt;/div&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;Processo fisico e processo di controllo&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Il processo fisico si può definire, tutto ciò che compone un impianto industriale, dall'elettronica, all'elettrica alla meccanica che gareggiano alla trasformazione &amp;nbsp;e alla trasmissione dell'energia. &amp;nbsp;Tutto questo varia dalla grandezza dell'impianto (più grande e complesso è l'impianto più componenti ci vogliono) .&amp;nbsp;&lt;/span&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Il processo di controllo si può definire semplicemente in una comunicazione tra tutti i dispositivi interconnessi tra di loro e comunicanti tra di loro attraverso anche a più reti di comunicazione. Il processo di controllo e di acquisizione dati è stato dato dallo standard IEC 1131 del COMITATO ELETTROTECNICO INTERNAZIONALE.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;Segni grafici&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;segni grafici in costruzione&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;Sistemi di numerazione&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Il sistema di numerazione più noto è il sistema decimale perchè è il più utilizzato in qualsiasi settore ed inoltre è il più antico e veniva utilizzato dall' uomo contando sulle dita. Tutti i giorni noi usiamo l'orologio come sistema di numerazione dove compaiono i secondi, i minuti e vengono conteggiati su base 60(ora), le ore vengono sulla base delle 24 ore, i giorni della settimana sulla base di 7, i giorni dei mesi sulls base 28-29-30-31, e i mesi sulla base 12 che compongono un anno. Con questo si vuole specificare che ogni sistema di numerazione deve fare riferimento ad una base.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;La base è definibile come quel valore caratteristico che stabilisce il numero dei simboli, mediante i quali il valore numerico può essere espresso in quello specifico sistema di numerazione.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Si può affermare quindi che ogni sistema quindi che ogni sistema di numerazione si basi su una base, per esempio, il sistema di numerazione decimale mette in evidenza:&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;L'insieme finito dei simboli va da 0 a 9.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Le regole interpretative di questo sistema si basa dal numero più piccolo al numero più grande, cioè il 2 va sempre dopo l' 1 e il 3 va sempre dopo il 2.&amp;nbsp;&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;Le regole operative indicano invece che il sistema decimale si può manipolare con le quattro operazioni(+ - : x).&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;questo argomento è in costruzione&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;Hardware di un plc&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;in costruzione&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;La messa in servizio di un plc&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;in costruzione&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;Programmazione del plc&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: x-large; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow';"&gt;in costruzione&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;span class="Apple-style-span" style="-webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #f1c232; border-collapse: separate; color: white; font-family: Arial, Arial, Helvetica; font-size: small; font-style: normal; font-variant: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: left; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px;"&gt;&lt;span style="color: black; font-family: 'Arial Narrow'; font-size: x-large;"&gt;Applicazioni e esercitazioni.&lt;/span&gt;&lt;/span&gt;&lt;/span&gt;&lt;br /&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&lt;br class="Apple-interchange-newline" /&gt;aggiornato il 9/febbraio/2011&lt;/span&gt;&lt;/blockquote&gt;&lt;span style="font-family: Arial, Helvetica;"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;a href="http://s5.shinystat.com/cgi-bin/shinystatv.cgi?USER=tininternet&amp;amp;NH=1&amp;amp;NHF=1" target="_new"&gt;&lt;img border="0" src="http://s5.shinystat.com/cgi-bin/shinystat.cgi?USER=tininternet&amp;amp;REFER=http%3A//www.tininternet.it/&amp;amp;COLOR=32&amp;amp;SIZE=1366&amp;amp;VUT=4056&amp;amp;JS=Y&amp;amp;VJS=4011" /&gt;&lt;/a&gt;&lt;/span&gt;&lt;div 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plc'/><author><name>Domenico</name><uri>http://www.blogger.com/profile/07092890981566859711</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-2817299992230990026</id><published>2008-04-16T14:51:00.000-07:00</published><updated>2011-03-19T12:02:23.900-07:00</updated><title type='text'>sensori trasduttori</title><content type='html'>&lt;a href="http://www.tininternet.it/sensori_trasduttori.htm"&gt;sensori trasduttori&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1545861713472034836-2817299992230990026?l=tininternet.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='related' href='http://www.tininternet.it/sensori_trasduttori.htm' title='sensori trasduttori'/><link rel='replies' 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src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-2965864050019859425</id><published>2008-04-04T12:09:00.001-07:00</published><updated>2011-03-19T12:02:23.914-07:00</updated><title type='text'>Home page</title><content type='html'>&lt;a href="http://72.30.186.56/search/cache?ei=UTF-8&amp;amp;p=tininternet&amp;amp;y=Cerca&amp;amp;rd=r1&amp;amp;fr=yfp-t-501&amp;amp;u=www.tininternet.it/&amp;amp;w=tininternet+%22tin+internet%22&amp;amp;d=GA7ta_H_Qjty&amp;amp;icp=1&amp;amp;.intl=it"&gt;Home page&lt;/a&gt;: "elettricità"&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1545861713472034836-2965864050019859425?l=tininternet.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='related' 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page'/><author><name>Domenico</name><uri>http://www.blogger.com/profile/07092890981566859711</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-1983026565286887603</id><published>2008-04-04T12:09:00.000-07:00</published><updated>2008-04-04T12:09:27.179-07:00</updated><title type='text'>Home page</title><content type='html'>&lt;a href="http://72.30.186.56/search/cache?ei=UTF-8&amp;amp;p=tininternet&amp;amp;y=Cerca&amp;amp;rd=r1&amp;amp;fr=yfp-t-501&amp;amp;u=www.tininternet.it/&amp;amp;w=tininternet+%22tin+internet%22&amp;amp;d=GA7ta_H_Qjty&amp;amp;icp=1&amp;amp;.intl=it"&gt;Home page&lt;/a&gt;: "elettricità"&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' 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src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-8969118113514019485</id><published>2008-03-29T12:32:00.000-07:00</published><updated>2011-03-19T12:02:23.923-07:00</updated><title type='text'>tininternet - Cerca con Google</title><content type='html'>&lt;a href="http://www.google.it/search?hl=it&amp;amp;rlz=1B3GGGL_itIT250IT250&amp;amp;q=tininternet&amp;amp;btnG=Cerca&amp;amp;meta=lr%3Dlang_it"&gt;tininternet - Cerca con Google&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1545861713472034836-8969118113514019485?l=tininternet.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='related' href='http://www.google.it/search?hl=it&amp;rlz=1B3GGGL_itIT250IT250&amp;q=tininternet&amp;btnG=Cerca&amp;meta=lr%3Dlang_it' title='tininternet - Cerca con Google'/><link rel='replies' type='application/atom+xml' 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src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-6864423409446366647</id><published>2008-03-28T16:05:00.000-07:00</published><updated>2011-03-19T12:02:23.929-07:00</updated><title type='text'>Home page</title><content type='html'>&lt;a href="http://www.tininternet.it/"&gt;&lt;blockquote&gt;&lt;/blockquote&gt;Home page&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1545861713472034836-6864423409446366647?l=tininternet.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='related' href='http://www.tininternet.it/' title='Home page'/><link rel='replies' type='application/atom+xml' href='http://tininternet.blogspot.com/feeds/6864423409446366647/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' 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src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-3727033631626830444</id><published>2008-03-23T17:34:00.000-07:00</published><updated>2008-03-23T17:34:46.091-07:00</updated><title type='text'>Home page</title><content type='html'>&lt;a href="http://www.tininternet.it/"&gt;Home page&lt;/a&gt;&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1545861713472034836-3727033631626830444?l=tininternet.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='related' href='http://www.tininternet.it/' title='Home page'/><link rel='replies' type='application/atom+xml' href='http://tininternet.blogspot.com/feeds/3727033631626830444/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=1545861713472034836&amp;postID=3727033631626830444' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/1545861713472034836/posts/default/3727033631626830444'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/1545861713472034836/posts/default/3727033631626830444'/><link rel='alternate' type='text/html' href='http://tininternet.blogspot.com/2008/03/home-page.html' title='Home page'/><author><name>Domenico</name><uri>http://www.blogger.com/profile/07092890981566859711</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry><entry><id>tag:blogger.com,1999:blog-1545861713472034836.post-5367189966895897197</id><published>2008-03-23T13:54:00.000-07:00</published><updated>2011-03-19T12:02:23.933-07:00</updated><title type='text'>Home page</title><content type='html'>&lt;a href="http://www.tininternet.it/"&gt;Home page&lt;/a&gt;&lt;br /&gt;&lt;br /&gt;&lt;a href="http://www.tonymanero.it/"&gt;&lt;/a&gt;&lt;br /&gt;&lt;a href="http://www.aziendegratis.it/"&gt;&lt;/a&gt;&lt;br /&gt;&lt;br /&gt; &lt;br /&gt;                                                                                &lt;br /&gt;Introduzione.&lt;br /&gt;L'elettricità è un argomento abbastanza complesso, in quanto oggi questo argomento comprende vari vocaboli attualmente conosciuti come:&lt;br /&gt;- INFORMATICA&lt;br /&gt;- AUTOMAZIONE.&lt;br /&gt;Questi due vocaboli oggi attualmente sono entrati a far parte della nostra vita, infatti li troviamo in qualsiasi ambiente, in casa, in ufficio, nelle industrie, nelle scuole ed ecc.&lt;br /&gt;L'informatica applicata all'impiantistica elettrica cioè, l'automazione,  ha provocato un accellerazione dei tempi di produzione dei beni, abbattento così i costi.&lt;br /&gt;L' elettricità ha anche aspetti negativi sotto descritti.&lt;br /&gt;Proteggersi da fulminazioni.&lt;br /&gt;Se un conduttore in tensione viene toccato da una persona riceve una scossa di corrente che percorrendo la persona avrà diversi effetti fisiologici che elencherò in tabella. La pericolosità delle corrente diminuisce col grado di isolamento della persona verso terra:&lt;br /&gt;- se calzato con scarpe di gomma, il pericolo è minimo.&lt;br /&gt;- se sta a piedi nudi, il pericolo può essere mortale.&lt;br /&gt;segue la tabella.&lt;br /&gt;intensità di corrente mA&lt;br /&gt;tabella effetti fisiologici dell'elettricità&lt;br /&gt;da 1 a 5 mA&lt;br /&gt;Non pericolosa, in quanto si riesce solo a percepire la scossa&lt;br /&gt;da 5 a 30 mA&lt;br /&gt;inizia la scossa elettrica, si manifestano involontarie contrazioni dei muscoli delle mani e del braccio (tetanizzazione), tendenza ad incollamento del soggetto allla parte in tensione.&lt;br /&gt;da 30 a 80 mA&lt;br /&gt;Estensione della tetanizzazione della cassa toracica ed ai muscoli del cuore, si può essere disposti allo svenimento oltre i 50 mA.&lt;br /&gt;oltre 80 mA&lt;br /&gt;Fibrillazione cardiaca, il cuore cessa di battere in seguito paralisi dei centri nervosi respiratori.&lt;br /&gt;Tensione di contatto&lt;br /&gt;Le macchine elettriche e gli elettrodomestici col passare del tempo si deteriorano e i conduttori vengono al contatto con la carcassa perchè non isolati più, in quanto l'isolante intorno al conduttore si è screpolato. In questa evenienza è pericoloso toccare la carcassa perchè non più isolata ma, ha acquistato un differenza di potenziale verso terra a causa del guasto. La persona che verrebbe a contatto riceverebbe una scossa elettrica( tensione di contatto). In questo caso per la sicurezza della nostra incolumità personale l'impianto deve essere provvisto di un impianto di messa a terra che comprende un dispersore, il conduttore di terra, il conduttore di protezione, e un interruttore differenziale(salvavita), per creare in caso di tensione presente sulle carcassa o a contatto con una persona il distacco della rete.    &lt;br /&gt;Protezione da corto circuito&lt;br /&gt;La protezione da corto circuito quindi l'interruttore magnetotermico viene aggiunta all'impianto per causa di guasto di una macchina elettrica o un elettrodomestico, la causa di questi corto circuiti sono il contatto tra fase e neutro della rete. Il magnetotermico è un interruttore che funziona su una lamella bimetallica. Il riscaldamento della lamella bimetallica provoca la apertura dei contatti staccando la rete dall'impianto senza provocare il riscaldamento dei fili infiammandosi provocando un incendio.&lt;br /&gt;immagine apparecchiature contro cortocircuito e salvavita&lt;br /&gt; differenziale         interruttori magnetotermici&lt;br /&gt;(salvavita)                    (per cortocircuiti)&lt;div class="blogger-post-footer"&gt;&lt;img width='1' height='1' src='https://blogger.googleusercontent.com/tracker/1545861713472034836-5367189966895897197?l=tininternet.blogspot.com' alt='' /&gt;&lt;/div&gt;</content><link rel='related' href='http://www.tininternet.it/' title='Home page'/><link rel='replies' type='application/atom+xml' href='http://tininternet.blogspot.com/feeds/5367189966895897197/comments/default' title='Commenti sul post'/><link rel='replies' type='text/html' href='http://www.blogger.com/comment.g?blogID=1545861713472034836&amp;postID=5367189966895897197' title='0 Commenti'/><link rel='edit' type='application/atom+xml' href='http://www.blogger.com/feeds/1545861713472034836/posts/default/5367189966895897197'/><link rel='self' type='application/atom+xml' href='http://www.blogger.com/feeds/1545861713472034836/posts/default/5367189966895897197'/><link rel='alternate' type='text/html' href='http://tininternet.blogspot.com/2008/03/home-page_23.html' title='Home page'/><author><name>Domenico</name><uri>http://www.blogger.com/profile/07092890981566859711</uri><email>noreply@blogger.com</email><gd:image rel='http://schemas.google.com/g/2005#thumbnail' width='16' height='16' src='http://img2.blogblog.com/img/b16-rounded.gif'/></author><thr:total>0</thr:total></entry></feed>
