{"product_id":"beckhoff-cx5140-n031-0004-cx5100-series-embedded-pc","title":"Beckhoff CX5140-N031-0004 PC embarqué série CX5100","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eEngineered for high-performance automation tasks requiring compact DIN-rail mounting, the \u003cstrong\u003eBeckhoff CX5140-N031-0004\u003c\/strong\u003e represents an industrial-grade controller equipped with an Intel Atom quad-core processor. This unit integrates a dedicated \u003cstrong\u003eN031 RS422\/RS485 serial option interface\u003c\/strong\u003e, allowing full-duplex communication endpoints directly from the processor assembly. Designed to operate without a fan, the device leverages passive cooling architecture to deliver robust execution of TwinCAT control tasks, making it ideal for high-speed PLC, motion control, and communication gateway applications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIntel Atom Quad-Core Processor:\u003c\/strong\u003e Delivers high-speed, multi-core computational power optimized for real-time automation sequences and deterministic control loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eN031 Serial Interface:\u003c\/strong\u003e Standard 9-pin D-sub female socket configured for RS422\/RS485 operation as a terminated full-duplex end point.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Gigabit Ethernet Ports:\u003c\/strong\u003e Dual independent RJ45 interfaces supporting 10\/100\/1000 Mbps for separated network topologies and control communication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal I\/O Connectivity:\u003c\/strong\u003e Automatic detection and bus-switching support for either EtherCAT Terminals (E-bus) or standard Bus Terminals (K-bus).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Maintenance-Free Design:\u003c\/strong\u003e Fanless operations with solid-state storage media compatibility, minimizing mechanical failure risks in harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIndustrial Applications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Packaging Machinery:\u003c\/strong\u003e Serves as the primary motion control platform coordinating multi-axis synchronized drives via EtherCAT.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProcess Control Gateways:\u003c\/strong\u003e Bridges legacy field networks utilizing the RS422 serial interface to modern EtherCAT or TCP\/IP enterprise layers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWind Energy \u0026amp; Power Generation:\u003c\/strong\u003e Performs deterministic turbine control and structural monitoring under broad temperature variances.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDistributed Building Automation:\u003c\/strong\u003e Coordinates lighting, HVAC, and subsystem integration across expansive physical facilities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 12px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 12px; font-weight: bold;\"\u003eValue \/ Description\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eBeckhoff\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eCX5140-N031-0004\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eProcessor\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eIntel Atom (1.91 GHz, Quad-Core)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eMemory Config\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e4 GB DDR3 RAM (Internal, non-expandable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eSerial Interface (N031)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eRS422 \/ RS485 (9-pin D-sub, female)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eEthernet Interfaces\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e2 x RJ45 (10\/100\/1000 Mbit\/s, independent)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eUSB Ports\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e4 x USB 2.0\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eDisplay Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e1 x DVI-D\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eBus System Connection\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eE-bus (EtherCAT) or K-bus (standard terminal bus) automatic detection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eOperating Voltage\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e-25 degC to +60 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003e3.00 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe N031 option provides a serial interface configured for full-duplex RS422 end point operation with internal termination resistors engaged. The connection is made via a 9-pin D-sub female connector with the following pin assignments:\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; border: 1px solid #e2e8f0;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"text-align: left; padding: 12px; font-weight: bold;\"\u003eD-sub Pin\u003c\/th\u003e\n        \u003cth style=\"text-align: left; padding: 12px; font-weight: bold;\"\u003eSignal Assignment (RS422 Full Duplex)\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003ePin 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eTxD+ (Transmit Data +)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003ePin 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eRxD+ (Receive Data +)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003ePin 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eGND (Signal Ground)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003ePin 7\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eTxD- (Transmit Data -)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 12px; font-weight: bold;\"\u003ePin 8\u003c\/td\u003e\n        \u003ctd style=\"padding: 12px;\"\u003eRxD- (Receive Data -)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eEmpirical Engineering Insights\u003c\/h3\u003e\n\u003ch4\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe CX5140-N031-0004 can direct-replace standard CX5140-0004 systems, provided that any system-level application profiles are updated in TwinCAT System Manager to map the virtual COM port allocated to the N031 serial chip. Note that changing physical terminal bus attachments from standard K-bus to E-bus does not require manual hardware switching, as the internal controller automatically queries and initiates the correct physical layer driver upon boot.\u003c\/p\u003e\n\n\u003ch4\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause the N031 interface features non-switchable internal terminating resistors, adding external termination blocks at the controller end of the RS422 bus segment will result in excessive signal loading. Double-termination at the local node can degrade communication signal margins, resulting in sporadic CRC or framing errors, particularly when operating at high baud rates over long distances.\u003c\/p\u003e\n\n\u003ch4\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhen routing serial links beside high-voltage motor cables, verify that the 9-pin D-sub metallic hood makes robust, continuous 360-degree connection to the cable shield. Ensure that shield ground is connected only at a single ground bus reference inside the primary enclosure to block ground loop currents from traversing the communication lines.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 16px; margin-bottom: 1.5rem;\"\u003e\n  \u003cp style=\"color: #9b2c2c; font-weight: bold; margin: 0 0 8px 0;\"\u003eCRITICAL WARNING\u003c\/p\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate and completely shut down all primary and auxiliary 24 V DC power sources before mounting or dismounting the CPU block. Attempting to couple or uncouple bus terminals (E-bus\/K-bus) with power applied will generate transient voltage spikes that can permanently ruin the electronic backplane logic.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; margin-top: 2px;\"\u003e1\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eMount the device onto a standard 35 mm DIN rail (EN 60715) by pressing the integrated locking tab downwards, positioning the unit against the rail, and letting the tab latch back into position securely.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; margin-top: 2px;\"\u003e2\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eAlign adjacent E-bus\/K-bus terminals to the right-hand interface, pushing them together until the physical interlocking lock latches click.\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; align-items: flex-start; margin-bottom: 1rem;\"\u003e\n  \u003cdiv style=\"background-color: #2b6cb0; color: #ffffff; min-width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: bold; margin-right: 12px; margin-top: 2px;\"\u003e3\u003c\/div\u003e\n  \u003cdiv style=\"color: #2d3748;\"\u003eEstablish the power system and serial connections using insulated 24 V DC power cables with a nominal wire cross-section of at least 1.0 mm² to limit transmission drop voltage under high CPU loads.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106532450667,"sku":"CX5140-N031-0004","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cx5140-n031-0004-r5q30ktvkpp.png?v=1776244300","url":"https:\/\/www.plcprotech.com\/fr\/products\/beckhoff-cx5140-n031-0004-cx5100-series-embedded-pc","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}