{"product_id":"allen-bradley-1747-bsn-slc-500-backup-scanner-module","title":"Allen-Bradley 1747-BSN SLC 500 Backup Scanner Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1747-BSN\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as the critical hardware interface for creating redundant controller systems within the SLC 500 platform. This Backup Scanner Module enables a high-availability \"hot-backup\" configuration, allowing a secondary processor to take control of Remote I\/O and DH+ networks if the primary controller fails. We provide this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your critical infrastructure maintains maximum uptime without the risks associated with used legacy hardware.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBackup Scanner Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCompatible Processors\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSLC 5\/02, 5\/03, 5\/04, 5\/05\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBackplane Current (5V DC)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e800 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0°C to 60°C (32°F to 140°F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Cable\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBelden 9463 (Blue Hose)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTerminations\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e6-Pin Phoenix Connector\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSystem Placement\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard 1746 I\/O Chassis Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.00 lbs (0.45 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Speed Fault Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 1747-BSN continuously monitors the health of the primary SLC processor. Upon detecting a processor fault or power loss, the module initiates a high-speed switchover to the backup rack, maintaining control over the Remote I\/O network with minimal interruption to the process.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Integrity Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing the standard Belden 9463 \"Blue Hose\" cable, the 1747-BSN bridges the communication gap between primary and secondary chassis. It synchronizes data across Data Highway Plus (DH+) and Remote I\/O links, ensuring the standby controller possesses the most recent process variables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplified Redundancy Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module eliminates the need for complex, third-party failover hardware. It integrates directly into the standard 1746 chassis, allowing engineers to implement redundancy for critical SLC 5\/04 or 5\/05 systems using native Allen-Bradley protocols.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSecure Industrial Terminations:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 6-pin Phoenix connector provides a vibration-resistant interface for communication wiring. This termination style prevents accidental disconnects in high-vibration manufacturing environments, such as automotive assembly or material handling lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhich processors can I use with the 1747-BSN?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1747-BSN supports SLC 5\/02, 5\/03, 5\/04, and 5\/05 processors. To ensure a successful switchover, you must use identical processors and memory configurations in both the primary and backup chassis.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require a specific slot in the 1746 chassis?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile you can technically place the module in any available I\/O slot, engineers typically position the 1747-BSN in the first slot following the processor to optimize backplane communication speed and cable management within the cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this a Brand New original product or a \"pull\"?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWe guarantee this unit is\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e. Because the 1747-BSN manages critical system failover, using used or refurbished modules introduces unacceptable risk. Our stock ensures factory-fresh components for maximum reliability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat happens to the outputs during a switchover?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 1747-BSN manages the Remote I\/O link to ensure that outputs maintain their state or transition to a programmed safe state during the switchover. The exact behavior depends on your Remote I\/O adapter settings and the switchover timing configured in the backup scanner's setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52774533562677,"sku":"1747-BSN","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1747-BSN.jpg?v=1776829250","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1747-bsn-slc-500-backup-scanner-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}