{"product_id":"allen-bradley-1769-ia8i-compactlogix-8-point-d-i-module","title":"Modulo Allen Bradley 1769-IA8I Compactlogix 8 punti ingresso digitale","description":"\u003cdiv class=\"flex max-w-full flex-col flex-grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"13b2d554-bcf9-445c-a559-1a80a8082a3c\" dir=\"auto\" class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+\u0026amp;]:mt-5\" data-message-model-slug=\"gpt-4o\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"\u003e\n\u003cdiv class=\"markdown prose w-full break-words dark:prose-invert light\"\u003e\n\u003cp\u003e\u003cstrong\u003eModulo di ingresso digitale Allen Bradley 1769‑IA8I CompactLogix\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIl \u003cstrong\u003eAllen Bradley 1769‑IA8I\u003c\/strong\u003e, anche catalogato come modulo di ingresso digitale \u003cstrong\u003e1769‑IA8I\u003c\/strong\u003e, funziona come componente hardware dedicato per l'acquisizione di segnali CA nelle reti CompactLogix e 1769 I\/O.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifiche hardware\u003c\/strong\u003e\u003c\/p\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParametro\u003c\/th\u003e\n\u003cth\u003eSpecifiche\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eModello\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑IA8I\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMarca\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eAllen Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eOrigine\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNon specificato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePeso\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e270 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensioni\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e118 x 35 x 87 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTemperatura operativa\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNon specificato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eConsumo energetico\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e90 mA a 5,1 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTipo di ingresso\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e8 ingressi CA isolati singolarmente\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCategoria di tensione\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e100\/120 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eGamma di tensione operativa\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e79–132 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eGamma di frequenza\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e47–63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eRitardo di ingresso (acceso\/spento)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e20 ms \/ 20 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensione in stato spento (max)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e20 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCorrente in stato spento (max)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e2,5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensione in stato acceso (min)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e79 V CA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCorrente in stato acceso\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e5 mA a 74 V CA (min), 12 mA a 120 V CA (max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCorrente di spunto (max)\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eImpedenza di ingresso\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e12 kΩ a 50 Hz, 10 kΩ a 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensione di isolamento\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1517 V CA o 2145 V CC per 1 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTensione di lavoro\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e132 V CA (isolamento rinforzato Classe II IEC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eMontaggio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eMontaggio su guida DIN o pannello\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eLarghezza slot\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCompatibilità alimentazione\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑PA2, 1769‑PB2, 1769‑PA4, 1769‑PB4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eValutazione distanza\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e8 moduli\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCoppia di serraggio vite terminale\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0,68 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCoppia di serraggio vite di fissaggio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e0,46 N·m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eDimensione del filo\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e22–14 AWG solido, 22–16 AWG intrecciato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eTipo di filo\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eCu‑90 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eBlocco terminale di ricambio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑RTBN18\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eEtichetta porta di ricambio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑RL1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003ePorta di ricambio\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003e1769‑RD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eGrado di protezione dell'involucro\u003c\/strong\u003e\u003c\/th\u003e\n\u003ctd\u003eNessuno (stile aperto)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003cp\u003e\u003cstrong\u003eVelocità di comunicazione del bus backplane e compatibilità del firmware flash\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNelle architetture CompactLogix, il 1769‑IA8I aderisce a regole deterministiche di pianificazione del backplane che governano il tempo di aggiornamento degli ingressi. Ogni canale di ingresso AC viene campionato secondo cicli di bus fissi, garantendo una propagazione prevedibile delle variazioni di stato alla scansione del controller. La compatibilità del firmware flash è mantenuta tramite profili con revisioni corrispondenti, prevenendo errori di inizializzazione durante l'accensione del modulo. La scalatura della densità I\/O è supportata dalla classificazione di distanza della piattaforma 1769, consentendo fino a otto moduli dall'alimentatore senza degradare il tempo del bus o il comportamento di latch degli ingressi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDomande frequenti\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eD: Il 1769‑IA8I può essere sostituito a caldo?\u003c\/strong\u003e R: No. Il modulo deve essere inserito o rimosso solo quando il sistema CompactLogix o 1769 I\/O è privo di alimentazione per evitare stati di ingresso indefiniti.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eD: Ogni canale di ingresso ha isolamento elettrico?\u003c\/strong\u003e R: Sì. Tutti e otto i punti di ingresso sono isolati singolarmente, consentendo l'acquisizione indipendente del segnale AC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eD: Sono possibili discrepanze del firmware durante l'installazione?\u003c\/strong\u003e R: Sì. Il controller richiede un profilo modulo corrispondente; firmware non corrispondente può impedire la corretta inizializzazione o la scalatura degli ingressi.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLinee guida per l'installazione in campo\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAssicurarsi che il sistema sia privo di alimentazione prima di installare o rimuovere il modulo.\u003c\/li\u003e\n\u003cli\u003eInstradare il cablaggio di ingresso AC separatamente dai conduttori analogici a basso livello o di comunicazione per ridurre l'accoppiamento del rumore.\u003c\/li\u003e\n\u003cli\u003eMantenere la coppia corretta sulle viti dei terminali e di fissaggio per garantire la stabilità meccanica.\u003c\/li\u003e\n\u003cli\u003eUtilizzare conduttori in rame con classificazione a 90 °C e verificare le lunghezze di spelatura dell'isolamento prima della terminazione.\u003c\/li\u003e\n\u003cli\u003eConfermare la posizione del modulo all'interno della distanza di otto moduli dall'alimentatore.\u003c\/li\u003e\n\u003cli\u003eConvalidare le transizioni di stato di input dopo la messa in servizio per garantire il corretto comportamento del ritardo di accensione\/spegnimento.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43809215316042,"sku":"1769-IA8I","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/8569\/3770\/files\/1769-OW16_1.jpg?v=1743411288","url":"https:\/\/www.topbrandsplc.com\/it\/products\/allen-bradley-1769-ia8i-compactlogix-8-point-d-i-module","provider":"Topbrands PLC Limited","version":"1.0","type":"link"}