{"product_id":"buy-allen-bradley-plc-5-1785-l46c15-controlnet-controller-module","title":"Buy Allen-Bradley PLC-5 1785-L46C15 ControlNet Controller Module","description":"\u003cdiv\u003e\n\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003ePLC-5\u003c\/strong\u003e\u003c\/span\u003e series delivers high-performance industrial control. The \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e \u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003ePLC-5\/46C\u003c\/strong\u003e\u003c\/span\u003e processor integrates advanced computing with reliable ControlNet architecture. Engineers deploy this controller for demanding discrete and process automation tasks. It manages large I\/O networks with high execution speed and deterministic data transfer.\u003c\/p\u003e\n\u003cp\u003eGlobal PLC Spare HUB's Insight highlights this module for its robust communication capabilities and stable memory backplane. Plant operators rely on its dual-port configuration for seamless network integration. The controller supports complex automation architectures without sacrificing scan speed.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ Part Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003ePLC-5\/46C\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlNet PLC-5 Processor with Protected Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax User Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 Kilowords\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMemory Backup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery-Backed Static RAM and EEPROM Option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax I\/O Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForcible 2048, Nonforcible 48000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Analog I\/O\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eForcible 2048, Nonforcible 48000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControlNet, DH+, Remote I\/O, RS-232-C\/422-A\/423-A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3 Amperes at 5 Volts DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThermal Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e59 BTU per hour\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degrees Celsius\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 to 95 percent non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen-style\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.42 kilograms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUL, CE, CSA, C-TICK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e module securely inside a standard 1771 I\/O chassis.\u003c\/li\u003e\n\u003cli\u003eVerify proper chassis keying using pins 40-42 and pins 54-56 before insertion.\u003c\/li\u003e\n\u003cli\u003eEnsure the power supply delivers adequate 5V DC backplane current to prevent faults.\u003c\/li\u003e\n\u003cli\u003eConnect the ControlNet cables to the designated front panel ports for network communication.\u003c\/li\u003e\n\u003cli\u003eConfigure the Node ID switches correctly to prevent address conflicts on the network.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCommissioning and Maintenance Convenience\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe front panel diagnostic indicators display real-time processor status and communication health.\u003c\/li\u003e\n\u003cli\u003eRemovable terminal blocks simplify wiring inspections without disturbing field devices.\u003c\/li\u003e\n\u003cli\u003eEngineers can execute firmware updates and program backups using compatible memory cartridges.\u003c\/li\u003e\n\u003cli\u003eBuilt-in error detection flags node drops and network traffic bottlenecks instantly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and Environmental Tolerance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompatible with Allen-Bradley 1771, 1794, 1746, and 1791 I\/O modules.\u003c\/li\u003e\n\u003cli\u003eSupports half-slot, single-slot, and double-slot hardware addressing schemes.\u003c\/li\u003e\n\u003cli\u003eOperates reliably in ambient temperatures ranging from 0 to 60 degrees Celsius.\u003c\/li\u003e\n\u003cli\u003eWithstands up to 30G operational shock and 1G vibration at 10 to 500 Hz.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications, Package Contents, and Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCertified by UL, CE, CSA, and C-TICK standards for industrial safety.\u003c\/li\u003e\n\u003cli\u003ePackage includes one \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e processor module and standard installation documentation.\u003c\/li\u003e\n\u003cli\u003eBacked by a comprehensive 12-month warranty covering functional defects.\u003c\/li\u003e\n\u003cli\u003eFast global shipping available within 24 to 48 hours via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eLarge-scale manufacturing plants utilizing distributed control architectures.\u003c\/li\u003e\n\u003cli\u003eContinuous process industries requiring deterministic network updates.\u003c\/li\u003e\n\u003cli\u003eAutomated material handling systems managing extensive discrete I\/O counts.\u003c\/li\u003e\n\u003cli\u003eLegacy system modernizations requiring reliable \u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003ePLC-5\u003c\/strong\u003e\u003c\/span\u003e platform retention.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDiagnostic Capabilities\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe processor executes self-tests upon startup to verify memory integrity.\u003c\/li\u003e\n\u003cli\u003eTransient Data Interface modules capture runtime anomalies for quick troubleshooting.\u003c\/li\u003e\n\u003cli\u003eCommunication status LEDs identify packet errors and link failures immediately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What causes a Node ID conflict on the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e network?\u003c\/strong\u003e\u003cbr\u003eA: Node ID conflicts occur when two devices on the ControlNet link share the same address switch setting. Engineers must verify physical dial settings on every node during commissioning.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How does the controller protect user memory during power loss?\u003c\/strong\u003e\u003cbr\u003eA: The module utilizes battery-backed static RAM alongside an optional EEPROM cartridge to retain user programs and data tables safely.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the recommended approach for replacing a faulty processor in an active chassis?\u003c\/strong\u003e\u003cbr\u003eA: Always power down the 1771 I\/O chassis before removing or inserting the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e module to prevent electrical arcing and backplane damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can this processor communicate simultaneously on ControlNet and Data Highway Plus?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The controller features dedicated physical ports that handle ControlNet, DH+, and remote I\/O protocols concurrently.\u003c\/p\u003e\n\u003ch3\u003eBuying Guide\u003c\/h3\u003e\n\u003cp\u003eWhen selecting the \u003cspan style=\"color: #d9534f;\"\u003e\u003cstrong\u003e1785-L46C15\u003c\/strong\u003e\u003c\/span\u003e \u003cspan style=\"color: #2980b9;\"\u003e\u003cstrong\u003ePLC-5\/46C\u003c\/strong\u003e\u003c\/span\u003e processor, verify your current chassis power supply capacity to handle the 3.3A backplane draw. Global PLC Spare HUB recommends reviewing your network node count and memory allocation requirements to ensure seamless integration into your existing architecture.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45013983232182,"sku":"1785-L46C15","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/1785-L46C15_afc1f0aa-489b-4ca9-8689-a25c1efeb209.jpg?v=1784701772","url":"https:\/\/www.plcsparehub.com\/products\/buy-allen-bradley-plc-5-1785-l46c15-controlnet-controller-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}