{"product_id":"allen-bradley-1756-dnb-e-devicenet-scanner-module","title":"Allen-Bradley 1756-DNB\/E DeviceNet Scanner Module","description":"\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, allowing the ControlLogix controller to manage and monitor field-level devices connected via a DeviceNet network. By offloading network management tasks from the main processor, the 1756-DNB\/E ensures efficient data exchange and reliable I\/O performance in demanding industrial environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports up to 64 nodes on a single DeviceNet network.\u003c\/li\u003e\n\u003cli\u003eOptimized Series E hardware architecture for improved processing and stability.\u003c\/li\u003e\n\u003cli\u003eIntegrated USB port for localized network configuration and diagnostic access.\u003c\/li\u003e\n\u003cli\u003eAutomatic baud rate detection for simplified network integration.\u003c\/li\u003e\n\u003cli\u003eSupports multiple data rates: 125 Kbps, 250 Kbps, and 500 Kbps depending on cable length.\u003c\/li\u003e\n\u003cli\u003eOccupies a single slot in any standard ControlLogix chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is widely utilized in automated manufacturing, material handling systems, and large-scale process control applications where distributed I\/O and intelligent field device integration are required.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\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\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Capacity\u003c\/td\u003e\n\u003ctd\u003e64 Nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e3.5 Watts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThermal Dissipation\u003c\/td\u003e\n\u003ctd\u003e11.9 BTU\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e400 mA at 5.1 VDC\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\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.26 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\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\u003eThe module must be seated fully in the chassis slot and secured with the top and bottom mounting screws.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for DeviceNet trunk lines to minimize EMI interference.\u003c\/li\u003e\n\u003cli\u003eMaintain proper ventilation in the control cabinet to keep the ambient temperature within operating limits.\u003c\/li\u003e\n\u003cli\u003eVerify that the DeviceNet network is properly terminated at both ends of the trunk line to ensure signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs the USB port on the 1756-DNB\/E used for real-time control?\u003c\/strong\u003e\u003cbr\u003eNo, the USB port is intended for configuration and diagnostic purposes only. It operates independently of the chassis backplane to ensure that maintenance activities do not disrupt active control operations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum cable length for this module?\u003c\/strong\u003e\u003cbr\u003eThe maximum cable length depends on the selected data rate. It supports up to 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":44003481976922,"sku":"1756-DNB\/E","price":98.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_1ca8e24f-0de5-4934-9e3b-e3a66adfb55f.jpg?v=1788371414","url":"https:\/\/www.spareoil.com\/ar\/products\/allen-bradley-1756-dnb-e-devicenet-scanner-module","provider":"SpareOil Automation","version":"1.0","type":"link"}