{"product_id":"schneider-modicon-m251-tm251mesc-logic-controller-ethernet-canopen","title":"Schneider Modicon M251 TM251MESC Logic Controller | Ethernet \u0026 CANopen","description":"\u003ch3\u003eSchneider Modicon M251 TM251MESC Logic Controller Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eSchneider Electric Modicon M251 TM251MESC\u003c\/span\u003e\u003c\/strong\u003e is a high-performance logic controller for demanding industrial automation. This \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eModicon M251\u003c\/span\u003e\u003c\/strong\u003e series unit delivers robust processing and flexible connectivity. It serves as the intelligent core for modern machine control systems. Engineers select this controller for high-speed execution and reliable network integration.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eSchneider Electric\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eModel: \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM251MESC\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSupply Voltage: 24 V DC (limits 20.4–28.8 V)\u003c\/li\u003e\n\u003cli\u003eExecution Time: 0.3 ms (event tasks); 0.7 ms (standard instructions)\u003c\/li\u003e\n\u003cli\u003eMemory: 64 MB RAM system memory; 128 MB internal flash backup\u003c\/li\u003e\n\u003cli\u003eExpansion Capacity: 7 local and 14 remote expansion modules\u003c\/li\u003e\n\u003cli\u003eCommunication: Dual-port Ethernet, CANopen, J1939, USB, and serial (RS232\/RS485)\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -10°C to 55°C (horizontal installation)\u003c\/li\u003e\n\u003cli\u003eEnvironmental Protection: IP20 rated with protective cover\u003c\/li\u003e\n\u003cli\u003eElectromagnetic Compatibility: IEC 61000-4 series compliant\u003c\/li\u003e\n\u003cli\u003eClock Accuracy: Maximum 60 s\/month drift at 25°C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation and Maintenance\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMounting: Direct installation on TH35-15 or TH35-7.5 DIN rails\u003c\/li\u003e\n\u003cli\u003eWiring: Utilizes removable screw terminal blocks for power supply\u003c\/li\u003e\n\u003cli\u003eDiagnostics: Integrated LEDs provide status for power, run, I\/O, and faults\u003c\/li\u003e\n\u003cli\u003eData Storage: Optional support for up to 16 GB SD cards\u003c\/li\u003e\n\u003cli\u003eBackup Power: Includes a BR2032 lithium battery for 2-year data retention\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCompatibility and Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eProtocols: Supports Modbus TCP, Ethernet\/IP, OPC UA, and SNMP\u003c\/li\u003e\n\u003cli\u003eCertifications: CE, UL 508, CSA, UKCA, DNV-GL, ABS, and LR\u003c\/li\u003e\n\u003cli\u003eIntegration: Designed for seamless interoperability with industrial networks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTypical Applications and Diagnostics\u003c\/h3\u003e\n\u003cp\u003eThis controller excels in motion control, packaging machinery, and material handling systems. The \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM251MESC\u003c\/span\u003e\u003c\/strong\u003e offers advanced diagnostic capabilities to detect communication failures in real-time. It enables proactive maintenance through comprehensive web services and automated email notifications.\u003c\/p\u003e\n\u003ch3\u003eShipping and Warranty\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDispatch Time: Orders ship within 24-48 hours\u003c\/li\u003e\n\u003cli\u003eLogistics: Global delivery via FedEx, UPS, or DHL\u003c\/li\u003e\n\u003cli\u003eWarranty: Every unit includes a 12-month quality assurance guarantee\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuying Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify your I\/O requirements before selecting the expansion count\u003c\/li\u003e\n\u003cli\u003eConfirm your network architecture supports the Dual-port Ethernet\u003c\/li\u003e\n\u003cli\u003eEnsure ambient conditions align with specified temperature limits\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the benefit of the dual Ethernet ports?\u003c\/strong\u003e\u003cbr\u003eA: Dual ports support daisy-chaining to simplify network cabling in complex machine architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How do I update the firmware?\u003c\/strong\u003e\u003cbr\u003eA: Use the USB mini-B port or an Ethernet connection to upload firmware directly via programming software.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this controller compatible with CANopen J1939?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eTM251MESC\u003c\/span\u003e\u003c\/strong\u003e supports both CANopen and J1939 standards.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e\u003cspan style=\"color: #d32f2f;\"\u003eSchneider Electric Modicon M251 TM251MESC\u003c\/span\u003e\u003c\/strong\u003e is a versatile solution for modern factory floors. Its ability to bridge traditional serial communications with advanced Ethernet\/IP and OPC UA protocols makes it a future-proof choice. We recommend this for complex assembly lines and automated packaging systems where high performance and diagnostic transparency are essential.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/TM251MESC.png?v=1781076268\" alt=\"\"\u003e\u003c\/p\u003e","brand":"Schneider Electric","offers":[{"title":"Default Title","offer_id":45180501950646,"sku":"TM251MESC","price":165.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/TM251MESC.jpg?v=1781076256","url":"https:\/\/www.plcsparehub.com\/products\/schneider-modicon-m251-tm251mesc-logic-controller-ethernet-canopen","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}