{"product_id":"bmxp3420102-schneider-modicon-m340-processor-canopen-modbus-plc-cpu","title":"BMXP3420102 Schneider Modicon M340 Processor | CANopen \u0026 Modbus PLC CPU","description":"\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eBMXP3420102\u003c\/span\u003e\u003c\/strong\u003e stands as a sophisticated processing engine within the \u003cstrong\u003eModicon M340\u003c\/strong\u003e automation platform. Unlike entry-level CPUs, this processor is engineered for complex control tasks, supporting up to 1024 discrete I\/O in multi-rack configurations and providing specialized motion control capabilities via its integrated CANopen master bus. We recommend the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eBMXP3420102\u003c\/span\u003e\u003c\/strong\u003e for machine builders and process engineers requiring high-speed execution—boasting Boolean instruction times of just 0.12 µs—making it exceptionally responsive for high-precision independent axis control and fast periodic tasks.\u003c\/p\u003e\n\n\u003ch3\u003eEngineering Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eBMXP3420102\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePlatform:\u003c\/strong\u003e \u003cstrong\u003eModicon M340\u003c\/strong\u003e Automation Series\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 1024 Discrete I\/O \/ 256 Analog I\/O (Multi-rack).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIntegrated Ports:\u003c\/strong\u003e USB, RJ45 (Modbus), and SUB-D 9 (CANopen Master).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 4096 kB Internal RAM (Includes 3584 kB for constants\/symbols).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExecution Speed:\u003c\/strong\u003e 0.12 µs (Boolean) \/ 1.16 µs (Floating point).\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTask Structure:\u003c\/strong\u003e 1 Master, 1 Fast periodic, and 64 Event-driven tasks.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhysical:\u003c\/strong\u003e Standard 35mm DIN Rail mounting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDiagnostic Capability \u0026amp; Application Utility\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eReal-time CANopen Diagnostics:\u003c\/strong\u003e Integrated status LEDs (CAN RUN, CAN ERR) provide immediate visual feedback on bus health, reducing troubleshooting time in multi-device machine networks.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEvent-Driven Flexibility:\u003c\/strong\u003e Supports 64 event tasks, enabling high-speed response to critical machine interruptions without disrupting the main control scan.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFlexible Serial Links:\u003c\/strong\u003e Native support for RS232C\/RS485 in both Modbus (Master\/Slave) and character modes, offering seamless integration with legacy HMI or VSD networks.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eApplication Suitability:\u003c\/strong\u003e Highly effective in packaging machinery, automated conveyors, and modular process skids.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eShipping \u0026amp; Quality Assurance\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGlobal Distribution:\u003c\/strong\u003e Reliable delivery via FedEx, UPS, or DHL.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOrder Fulfillment:\u003c\/strong\u003e Fast-tracked processing within 24 to 48 hours for expedited project delivery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePerformance Promise:\u003c\/strong\u003e Every unit is backed by a 12-month comprehensive performance warranty.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 1x \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eBMXP3420102\u003c\/span\u003e\u003c\/strong\u003e Processor and factory-supplied memory card (BMXRMS008MP).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProfessional FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Can I expand the I\/O capacity beyond the single-rack configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Yes, the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eBMXP3420102\u003c\/span\u003e\u003c\/strong\u003e supports multi-rack architectures, allowing you to expand up to 1024 discrete I\/O points across 4 racks and 11 slots.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: How do the event tasks impact the overall scan time of the master task?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Event tasks are executed as high-priority interruptions; ensure your event logic is streamlined to prevent \"starvation\" of the master cycle.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: Is the CANopen port isolated from the serial communication ports?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: The CANopen port operates independently on its own bus; however, always verify proper grounding of your shield cabling to prevent electrical noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: What is the benefit of the supplied BMXRMS008MP memory card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: It provides secure, non-volatile backup for your programs and constants; it is essential for quick \"hot-swapping\" or restoring PLC state without needing a PC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuestion: If I am upgrading from a smaller M340 CPU, how do I handle the project migration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eAnswer: Open your project in Control Expert, select \"Change CPU,\" and update the target to \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eBMXP3420102\u003c\/span\u003e\u003c\/strong\u003e. Perform a full \"Rebuild All\" to verify memory allocation.\u003c\/p\u003e\n\n\u003ch3\u003eProcurement Advisory\u003c\/h3\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMemory Management:\u003c\/strong\u003e With 4096 kB of RAM, you have ample space for complex floating-point calculations, but keep an eye on your symbol table to maintain optimal scan performance.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSerial Logic:\u003c\/strong\u003e When using the RJ45 ports for Modbus, ensure your termination resistors are correctly matched (120 Ω) for RS485 segments to avoid signal reflections.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTask Optimization:\u003c\/strong\u003e Utilize the \"Fast Task\" for time-critical PID control loops and reserve the \"Master Task\" for generalized system monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":45014039920822,"sku":"BMXP3420102","price":187.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BMXP3420102_09d1ad5a-d52e-4195-aa2d-1536e3243f27.jpg?v=1779954721","url":"https:\/\/www.plcsparehub.com\/products\/bmxp3420102-schneider-modicon-m340-processor-canopen-modbus-plc-cpu","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}