{"product_id":"1769-l19er-bb1b-allen-bradley-compactlogix-5370-l1-controller","title":"1769-L19ER-BB1B Allen Bradley CompactLogix 5370 L1 Controller","description":"\u003ch2\u003eAllen Bradley 1769-L19ER-BB1B CompactLogix 5370 L1 Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen Bradley 1769-L19ER-BB1B\u003c\/strong\u003e serves as the primary \u003cstrong\u003e1769-L19ER-BB1B\u003c\/strong\u003e CompactLogix 5370 L1 Controller utilized to execute specific technical tasks across local I\/O processing and EtherNet\/IP communication networks. The hardware embeds a dedicated computing core that coordinates field instrumentation signals via built-in digital interfaces while sustaining simultaneous up-link parameters to peripheral node extensions without a separate communication card.\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1769-L19ER-BB1B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.77 kg (1.69 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCompactLogix 5370 L1 Standard Profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5 W typical, 11.5 W maximum power dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUser Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNon-volatile Storage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 GB SD card included (expandable up to 2 GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmbedded Digital Inputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 digital DC inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmbedded Digital Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16 digital DC outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 A at 5 VDC (Alternative engineering metric: 560 mA at 5 VDC nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLocal Expansion Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 8 additional modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDual Ethernet (DLR capable), 1 USB port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaximum System Nodes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20 EtherNet\/IP nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Controller Connections\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e256 connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Network Sockets\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 sockets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIsolation Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30 V continuous, basic insulation type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10-500 Hz, 5 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShock Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20 g (DIN rail mount), 30 g (panel mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHumidity Constraints\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0-95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Bus Integration\u003c\/h3\u003e\n\u003cp\u003eThe 1769-L19ER-BB1B manages system performance parameters by stabilizing backplane bus communication velocity across 32 individual programming tasks, allowing up to 100 programs per task. Engineers configure the hardware for Profinet \/ EtherNet\/IP deterministic networks, leveraging the embedded dual-port configuration to implement Device Level Ring (DLR) topologies that maintain network availability if a physical media break occurs. During initial power-up diagnostics, the processor runs internal checks to verify firmware flash compatibility against the hardware revision, protecting memory registers from unexpected halt states. The system applies explicit limits to I\/O density scaling, restricting the configuration to 8 local expansion modules to prevent voltage attenuation across the internal electrical connections.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the system handle power distribution when adding local expansion modules to the 1769-L19ER-BB1B?\u003c\/p\u003e\n\u003cp\u003eA: The controller draws its logic operating current directly from the backplane line, drawing up to 1 A at 5 VDC. Technicians must check the cumulative load parameters of all connected expansion units against the ratings of the compatible power supplies (1769-PA2, 1769-PA4, or 1769-PB4) to prevent bus voltage drops.\u003c\/p\u003e\n\u003cp\u003eQ: What action is required to ensure proper industrial communication over the embedded USB port?\u003c\/p\u003e\n\u003cp\u003eA: The integrated USB port functions strictly as a local configuration and programming interface link. Operators must use this port for temporary configuration uploads, system diagnostics, and firmware flash updates rather than continuous, industrial-grade field device control networks.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 1769-L19ER-BB1B manage more than 20 EtherNet\/IP nodes if network bandwidth is available?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal processor firmware enforces a rigid threshold of 20 EtherNet\/IP nodes. Exceeding this configured count blocks connection establishment to the additional external field nodes, requiring an upgrade to an L3 series controller to expand the network structure.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure Grounding Path:\u003c\/strong\u003e Fasten a low-impedance copper strap from the protective earth terminal of the chassis assembly straight to the main grounding busbar of the enclosure panel to dissipate static charge.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Wire Termination:\u003c\/strong\u003e Ground all digital signal shields at a single point on the enclosure entry plate, ensuring the exposed drain wires remain as short as possible to minimize industrial electromagnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Specification:\u003c\/strong\u003e Connect all field terminal blocks using copper wiring rated for at least 90 deg C, choosing wire sizes between 22-14 AWG for solid conductors and 22-16 AWG for stranded cables.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAirflow Clearance Boundaries:\u003c\/strong\u003e Maintain a minimum clear space of 50 mm (2 inches) on all sides of the controller housing to allow vertical convection currents to cool the internal electronic assemblies.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":44414865014883,"sku":"1769-L19ER-BB1B","price":310.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/200._2c001a28-c0ca-4ba7-8922-492decf40a7e.jpg?v=1785228607","url":"https:\/\/www.autocontrolglobal.com\/products\/1769-l19er-bb1b-allen-bradley-compactlogix-5370-l1-controller","provider":"AutoControl Global","version":"1.0","type":"link"}