{"product_id":"comnet-fdc80r485-8-channel-supervised-contact-closure-receiver-rs485-interface-2-rack-slots","title":"Comnet FDC80R485 | 8-Channel Supervised Contact Closure Receiver, RS485 Interface, 2 Rack Slots","description":"Comnet FDC80R485 | 8-Channel Supervised Contact Closure Receiver, RS485 Interface, 2 Rack Slots\u003cbr\u003e\u003cbr\u003e\u003cp\u003eThe ComNet FDC80 Series contact closure transmitter and receiver units provide transmission of up to eight independent supervised or unsupervised dry switch or relay contact closures over a single optical fiber, or any two-wire RS-485 copper circuit.\u003c\/p\u003e\u003cp\u003eMicroprocessor-based logic transmits the contact closure information in packets that are ordered and encoded, ensuring extremely robust and reliable transmission.\u003c\/p\u003e\u003cp\u003ePackets that are garbled, or packets out of sequence with transmission bit errors will not cause random changes of state in the FDC80R receiver unit relays.\u003c\/p\u003e\u003cp\u003eThe supervising function in the FDC80T transmitter allows for the detection of short and open circuit conditions, and normally open or normally closed contact inputs are supported.\u003c\/p\u003e\u003cp\u003eSystem faults are displayed via LED status indicators, and user-programmable summary fault alarm contacts are triggered in the FDC80R receiver unit.\u003c\/p\u003e\u003cp\u003eThe FDC80R receiver is offered in both latching and non-latching relay configurations.\u003c\/p\u003e\u003cp\u003eExternal series and shunt resistors are included for each of the 8 contact input channels, for contact supervision.\u003c\/p\u003e\u003cp\u003ePackaged in the exclusive ComNet ComFit housing, these units may be either wall or rack-mounted, or may be DIN-Rail mounted by the addition of model DINBKT1 adaptor plate.\u003c\/p\u003e","brand":"Anixter","offers":[{"title":"Default Title","offer_id":49206795108587,"sku":"1024483","price":1513.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/1616\/0235\/files\/Comnet_FDC80T485_Contact_Closure_Transmitter_main_5aba309b-98f5-4dee-bcd1-c5e3ae764cc9.jpg?v=1786552020","url":"https:\/\/www.alldataresource.com\/products\/comnet-fdc80r485-8-channel-supervised-contact-closure-receiver-rs485-interface-2-rack-slots","provider":"All Data Resource","version":"1.0","type":"link"}