## Protezione di riferimento circolare

La protezione di riferimento a loop impedisce ai tuoi nodi di diventare non risponde e inonda l'installazione KNX disabilitando entrambi i nodi utilizzando lo stesso collegamento dell'indirizzo di gruppo.<br/>
Ad esempio, se si collega l'output **di un nodo con indirizzo di gruppo 0/1/1 all'ingresso** di un altro nodo con lo stesso indirizzo di gruppo 0/1/1, la protezione verrà attivata. <br/>

\ <img src = "https://raw.githubusercontent.com/supergiovane/node-red-contrib-knx-ultimate/master/master/img/wiki/circularreferencepretect.png" wieroth = "90%">>>

**Copia questo codice e incollalo nel tuo stream** ```javascript

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```<br/>
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