{"product_id":"allen-bradley-1771-af-fiber-optic-converter-module","title":"Allen-Bradley 1771-AF Fiber-Optic Converter Module","description":"\u003cp\u003eConfigured for high-speed signal conversion in PLC-5 industrial networks, the \u003cstrong\u003eAllen-Bradley 1771-AF\u003c\/strong\u003e (\u003cstrong\u003e1771-AF\u003c\/strong\u003e Fiber-Optic Converter Module) provides direct physical\/electrical execution. This component maps serial data streams between localized I\/O chassis and fiber-optic media, facilitating deterministic communication at selectable bit rates of 57,600 bit\/s or 115,200 bit\/s.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1771-AF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.25 lbs (0.57 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eSingle slot 1771 I\/O module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial 0-60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e1.0 A at 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Rates\u003c\/td\u003e\n\u003ctd\u003e57,600 bit\/s, 115,200 bit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCable Type\u003c\/td\u003e\n\u003ctd\u003eCoaxial Quad-Shield RG-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe 1771-AF module ensures integration of serialized data into the broader Allen-Bradley control ecosystem. While primarily functioning as a media converter, the module requires strict adherence to backplane bus communication velocity parameters to ensure data integrity during packet transfer. Users must verify firmware flash compatibility and configuration settings when integrating this module into existing PLC-5 architectures, as deviations in bus timing can result in transmission errors or packet collisions on the I\/O backplane.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the significance of the connector keying settings?\u003c\/p\u003e\n\u003cp\u003eA: The upper (54-56) and lower (16-18) connector keying settings are physical mechanical configurations used to ensure that the 1771-AF module is inserted only into the intended chassis slot position. This prevents inadvertent insertion into mismatched signal or power distribution slots.\u003c\/p\u003e\n\u003cp\u003eQ: Can this module be used in chassis configurations other than the 1771 I\/O system?\u003c\/p\u003e\n\u003cp\u003eA: No. The 1771-AF is hardware-keyed and electrically designed exclusively for the Allen-Bradley 1771 I\/O chassis backplane interface.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Assignment\u003c\/strong\u003e: Ensure the module is seated in an active 1771 I\/O chassis slot. Confirm that the mechanical keys on the backplane correspond to the 54-56 (upper) and 16-18 (lower) keying profiles of the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCabling\u003c\/strong\u003e: Utilize only Coaxial Quad-Shield RG-6 cable for connections to ensure adherence to specified attenuation and impedance standards. Minimize cable bending radius to prevent signal degradation and maintain optimal throughput.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management\u003c\/strong\u003e: The module dissipates 5 W during operation. Ensure the I\/O chassis is installed in an environment with sufficient convective airflow to maintain the internal ambient temperature within the rated operational limits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding\u003c\/strong\u003e: Ensure the chassis backplane has a solid connection to the equipment grounding bus to prevent ground potential differences from affecting the high-speed data signals processed by the converter.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":53533582819512,"sku":"1771-AF","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1771-AF.jpg?v=1780284880","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-1771-af-fiber-optic-converter-module","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}