{"product_id":"1769-l32c-allen-bradley-compactlogix-750kb-controlnet-processor","title":"1769-L32C Allen-Bradley CompactLogix 750KB ControlNet Processor","description":"\u003ch2\u003eAllen-Bradley 1769-L32C CompactLogix Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-L32C\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-L32C\u003c\/strong\u003e Programmable Automation Controller, operates as a dedicated hardware component for deterministic, high-speed scheduled data transfers within ControlNet network architectures. This processing unit features a 750 KB embedded user memory capacity and directly executes local and remote logical sequences via an integrated BNC coaxial connector. Operating as a core module within the CompactLogix 5332C platform, the unit drives field-level I\/O configurations while coordinating multi-node messaging topologies over serial and network layers.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e1769-L32C\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\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\u003e0.36 kg (Standard 1769 controller chassis)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 1769 module footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e650 mA at 5.1 VDC backplane current draw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e750 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 16 modules (3 banks maximum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegrated Ports\u003c\/td\u003e\n\u003ctd\u003e1 x ControlNet (BNC Coaxial), 1 x RS-232 Serial Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControlNet Throughput\u003c\/td\u003e\n\u003ctd\u003e5 Mbps deterministic scheduling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax ControlNet Nodes\u003c\/td\u003e\n\u003ctd\u003e99 Nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Distance Rating\u003c\/td\u003e\n\u003ctd\u003e4 modules max separation from power supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous (Basic Insulation Type); tested at 500 VAC for 60 s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReal-Time Clock Backup\u003c\/td\u003e\n\u003ctd\u003eInternal clock with 1769-BA battery backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThis Allen-Bradley controller utilizes an integrated 5 Mbps ControlNet communication subsystem to execute scheduled, repeatable data exchanges across deterministic networks. The synchronous medium access control ensures that critical I\/O updates and interlocking signals bypass standard packet collisions common to non-deterministic topologies. For I\/O density scaling, the processing architecture expands across up to three discrete module banks linked by expansion cables, supporting up to 16 local 1769 I\/O modules. Firmware flash compatibility across RSLogix 5000 and Studio 5000 environments ensures steady task prioritization and execution scheduling during large-scale network updates.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific mechanical or electrical limitations govern the physical placement of I\/O modules relative to the controller power supply?\u003c\/p\u003e\n\u003cp\u003eA: The hardware enforces a strict I\/O module distance rating, meaning no 1769 module can be installed more than four slots away from a system power supply, preventing excessive voltage drops across the internal backplane traces.\u003c\/p\u003e\n\u003cp\u003eQ: How is the non-volatile retention of the 750 KB application memory executed if the internal 1769-BA battery fails?\u003c\/p\u003e\n\u003cp\u003eA: Application code and user data can be permanently retained by inserting an external CompactFlash card into the integrated slot, allowing non-volatile restoration during power cycles regardless of battery condition.\u003c\/p\u003e\n\u003cp\u003eQ: What serial data transport layers are supported via the integrated RS-232 connection port?\u003c\/p\u003e\n\u003cp\u003eA: The physical RS-232 interface natively supports DF1 and DH-485 automation protocols, and it can execute Modicon Modbus architectures through user-programmed ladder logic routines.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEngineers must slot the controller module onto the DIN rail or panel mount backing within a de-energized enclosure assembly. Ensure that all system power sources are completely isolated before engaging the bus connectors with adjacent 1769 components to avoid damaging the internal electronics.\u003c\/p\u003e\n\u003cp\u003eFasten the adjacent module slide locks securely to complete the internal backplane data loop. Connect the ControlNet BNC cable using high-grade RG-6 coaxial media, ensuring the locking collars are twisted and engaged fully to maintain a 5 Mbps link speed.\u003c\/p\u003e\n\u003cp\u003eFor standard noise mitigation, route the serial and network coaxial cables through independent low-voltage conduits. Technicians must land the enclosure ground wires directly onto a low-impedance copper earth bus to satisfy the 500 VAC dielectric isolation and protection parameters.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42870827810906,"sku":"1769-L32C","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/400_0b5a6269-2a4c-4420-8640-8f7851e9aaad.jpg?v=1772420099","url":"https:\/\/www.spareoil.com\/products\/1769-l32c-allen-bradley-compactlogix-750kb-controlnet-processor","provider":"SpareOil Automation","version":"1.0","type":"link"}