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12 EL250RT
9 CAVI E CABLAGGI
Il cablaggio deve essere fatto mediante due cavi distinti.
Il primo (tipo elettrico 3x1,5 mm²) alimenta il trasformatore con 230Vac.
Il secondo (tipo schermato 8x0,22 mm² minimo) è un cavo che permette la trasmissione del segnale di allarme e del tamper,
così come la segnalazione di condizioni anomale (nebbia, mascheramento) e la connessione del sincronismo tra una
colonna e l’altra.
N.B. La schermatura di questo cavo deve essere collegata al negativo di 13,8 Vcc di tutte le colonne.
Il dimensionamento dei cavi dipende dal consumo delle colonne e dalla resistenza del cavo stesso in funzione delle distanze
in gioco.
Cavo 230Vac (alimentazione colonna) Cavo sincronismo + segnale
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