{"product_id":"1769-l16er-bb1b-allen-bradley-compactlogix-5370-l1-plc-processors","title":"1769-L16ER-BB1B Allen-Bradley CompactLogix 5370 L1 PLC Processors","description":"\u003ch2\u003eAllen-Bradley 1769-L16ER-BB1B CompactLogix 5370 L1 Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-L16ER-BB1B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-L16ER-BB1B\u003c\/strong\u003e CompactLogix 5370 L1 Controller, operates as a dedicated hardware component for deterministic logic execution and real-time machine control within distributed Ethernet\/IP network environments. It provides direct physical processing of 16 embedded sinking inputs and 16 sourcing outputs while maintaining dual-port Ethernet connectivity for redundant ring topologies.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe 1769-L16ER-BB1B base catalog number encapsulates specific platform attributes defined by Rockwell Automation engineering standards:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1769\u003c\/strong\u003e: Represents the Compact platform hardware chassis family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL1\u003c\/strong\u003e: Denotes the CompactLogix 5370 L1 controller tier, utilizing integrated I\/O blocks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e6E\u003c\/strong\u003e: Designates 384 KB of user memory capacity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eR\u003c\/strong\u003e: Indicates built-in dual-port Ethernet support with Device Level Ring (DLR) capabilities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBB1\u003c\/strong\u003e: Specifies the embedded digital I\/O configuration (16 DC inputs \/ 16 DC outputs).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eB\u003c\/strong\u003e: Represents the controller series revision code.\u003c\/li\u003e\n\u003c\/ul\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\u003e1769-L16ER-BB1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley \/ Rockwell Automation\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e118 mm x 101 mm x 87 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e400 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e384 KB (0.375 MB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbedded Digital Inputs\u003c\/td\u003e\n\u003ctd\u003e16 Sink Inputs (24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbedded Digital Outputs\u003c\/td\u003e\n\u003ctd\u003e16 Source Outputs (24 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003e2 Ethernet (DLR supported), 1 USB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Media\u003c\/td\u003e\n\u003ctd\u003e1GB SD Card (Removable non-volatile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpansion Capacity\u003c\/td\u003e\n\u003ctd\u003eSupports up to 6 1734 POINT I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure Type\u003c\/td\u003e\n\u003ctd\u003eOpen Style DIN Rail \/ Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication \u0026amp; Deterministic Networks\u003c\/h3\u003e\n\u003cp\u003eThe controller interfaces internally with local expansion blocks and external nodes through deterministic Ethernet\/IP and backplane bus communication velocity frameworks. Dual-port integration facilitates Device Level Ring (DLR) fault-tolerant architectures, eliminating single-point network failures across distributed machine cells. Furthermore, rigorous I\/O density scaling allows firmware flash compatibility and real-time tag updates across connected 1734 POINT I\/O expansion racks without inducing packet latency or scan jitter.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1769-L16ER-BB1B controller utilize standard 1769 Compact I\/O expansion modules?\u003c\/p\u003e\n\u003cp\u003eA: No. The L1 5370 controller architecture exclusively supports 1734 POINT I\/O expansion modules attached to its right-hand communication interface, rather than traditional 1769 rack-mounted modules.\u003c\/p\u003e\n\u003cp\u003eQ: What is the firmware recovery and storage behavior when the internal SD card is removed?\u003c\/p\u003e\n\u003cp\u003eA: The included 1GB industrial SD card stores non-volatile user program projects, tag data backups, and operating firmware. Removing the card during active execution without a proper software save command risks memory corruption, requiring a firmware re-flash via the front-panel USB port.\u003c\/p\u003e\n\u003cp\u003eQ: Does this controller support hot-swapping of local embedded field wiring terminals?\u003c\/p\u003e\n\u003cp\u003eA: No. The integrated terminal blocks on the base unit do not feature hot-swap removal capabilities. Power must be entirely isolated from the 24 VDC input\/output terminals before servicing field wiring.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the controller securely onto a grounded 35 mm DIN rail or fasten it directly to a conductive subpanel using M4 mounting screws to ensure low-impedance earth grounding. Maintain a minimum clearance of 50 mm above and below the enclosure housing to allow adequate thermal convection across the operational temperature range. Connect the 24 VDC external power source to the dedicated terminal header, ensuring proper polarity to prevent internal fuse tripping. Route Ethernet communication cables through shielded industrial conduits separated by at least 150 mm from high-voltage motor power leads and Variable Frequency Drives (VFDs) to mitigate electromagnetic interference (EMI). Verify that all wire strippings and terminal screw torque settings comply with Rockwell Automation tightening specifications to prevent loose contact resistances.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":43166017716314,"sku":"1769-L16ER-BB1B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/458.1.jpg?v=1775027823","url":"https:\/\/www.spareoil.com\/products\/1769-l16er-bb1b-allen-bradley-compactlogix-5370-l1-plc-processors","provider":"SpareOil Automation","version":"1.0","type":"link"}