{"product_id":"allen-bradley-1756-dnb-e-devicenet-scanner-module","title":"Allen-Bradley 1756-DNB\/E DeviceNet Scanner Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe Allen-Bradley 1756-DNB\/E is a Series E DeviceNet scanner module designed for integration within the ControlLogix platform. This module serves as a robust communication bridge, facilitating high-speed data exchange between the ControlLogix controller and various field devices distributed across a DeviceNet network. By offloading network management tasks from the main processor, the 1756-DNB\/E ensures efficient I\/O throughput and reliable control in demanding industrial environments.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSupports up to 64 nodes on a single DeviceNet network.\u003c\/li\u003e\n\u003cli\u003eSeries E hardware revision for improved processing and firmware stability.\u003c\/li\u003e\n\u003cli\u003eAdaptive auto-baud detection for optimized communication across varying cable lengths.\u003c\/li\u003e\n\u003cli\u003eDedicated front-facing DeviceNet port for trunk-line or drop-line physical connections.\u003c\/li\u003e\n\u003cli\u003eIntegrated USB port for local diagnostics and network commissioning without interrupting backplane communication.\u003c\/li\u003e\n\u003cli\u003eOccupies a single slot in any standard ControlLogix chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1756-DNB\/E (Series E)\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\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Nodes\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rates\u003c\/td\u003e\n\u003ctd\u003e125 Kbps (500m), 250 Kbps (250m), 500 Kbps (100m)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e400 mA @ 5.1 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.5 Watts (11.9 BTU\/hr)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExternal Voltage\u003c\/td\u003e\n\u003ctd\u003e11 to 25 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eInstall the module into any available slot in the chassis; ensure it is fully seated and the top\/bottom latches are secured.\u003c\/li\u003e\n\u003cli\u003eUse shielded, twisted-pair cabling for DeviceNet connections to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eFollow standard grounding procedures for the DeviceNet network to ensure signal integrity.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation in the control cabinet to keep ambient temperatures within operating limits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the USB port on the 1756-DNB\/E intended for permanent network connection?\u003c\/strong\u003e\u003cbr\u003eNo, the USB port is designed for local configuration, commissioning, and maintenance tasks. It functions independently of the backplane and is not intended for continuous network data transmission.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the maximum distance supported by this module?\u003c\/strong\u003e\u003cbr\u003eThe maximum distance is dependent on the baud rate: 500m at 125 Kbps, 250m at 250 Kbps, and 100m at 500 Kbps.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":44744742895704,"sku":"1756-DNB\/E","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/wm_1_701cd1f1-fddd-4130-bdfc-54f0dc244a09.jpg?v=1788927665","url":"https:\/\/www.industriaxplc.com\/ar\/products\/allen-bradley-1756-dnb-e-devicenet-scanner-module","provider":"IndustriaX Limited","version":"1.0","type":"link"}