{"product_id":"cx5130-n031-beckhoff-intel-atom-embedded-pc-with-terminated-rs485-interface","title":"CX5130-N031 BECKHOFF Intel Atom Embedded PC with Terminated RS485 Interface","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX5130-N031 (CX5130N031)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance, fanless Embedded PC designed for DIN rail mounting, powered by a robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIntel Atom® multi-core processor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith a 1.75 GHz clock frequency. This specific model features a factory-integrated\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS485 interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evia a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e9-pin D-sub socket\u003c\/strong\u003e, pre-configured as an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eend point\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewith internal\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etermination ON\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eAs a middle-tier powerhouse in the CX5100 series, the CX5130-N031 is engineered for B2B industrial automation applications requiring significant computational power, such as multi-axis motion control, complex gateway functions, and high-level communication tasks. By consolidating high-speed EtherCAT I\/O control with a hardware-terminated serial port, it provides a specialized solution for connecting legacy serial networks (Modbus RTU, etc.) to modern Industry 4.0 environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration (Deep Dive)\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX5130-N031\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis technically optimized for RS485 bus integrity at the physical layer. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003etermination on\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration means the internal 120-ohm resistor is engaged, effectively suppressing signal reflections. Configured\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ewithout echo\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(half-duplex), it is ready for high-speed, 2-wire serial communication.\u003c\/p\u003e\n\u003cp\u003eThe device architecture supports the automatic recognition of both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eE-bus (EtherCAT)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eK-bus (Bus Terminals)\u003c\/strong\u003e, allowing users to switch between I\/O technologies without changing the CPU. With its multi-core Intel Atom® CPU, the CX5130 provides a substantial performance boost over the CX5120 series, enabling more complex TwinCAT 3 PLC tasks and larger process images while maintaining a fanless, maintenance-free design.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCX5130-N031\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBECKHOFF\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIntel Atom® (1.75 GHz, Multi-core)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInterface Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 x RS485\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnection Port\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e9-pin D-sub socket\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRS485 Config\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eEnd point, without echo, \u003cstrong\u003eTermination ON\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eExpansion Bus\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAutomatic E-bus \/ K-bus recognition\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCooling\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFanless (Passive Convection)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to +60 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to +85 Celsius\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e142 mm x 100 mm x 92 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eApprox. 960 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC (-15 % \/ +20 %)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should I choose the CX5130-N031 over a non-terminated model?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX5130-N031\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis designed for use at the physical end of an RS485 daisy chain. If your controller is the final node in a serial network, the internal 120-ohm termination is required to prevent data corruption. If the controller is in the middle of a bus, you should use a model with termination OFF.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat TwinCAT 3 platform level does this unit support?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CX5130 typically operates at the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePerformance (40)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eplatform level. This provides sufficient power for demanding PLC, HMI, and basic Motion Control applications within the TwinCAT 3 environment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the RS485 port suitable for Modbus RTU?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The RS485 interface is a standard physical layer for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eModbus RTU\u003c\/strong\u003e. Using the TwinCAT PLC Serial Communication library, the CX5130-N031 can act as a Modbus Master or Slave to communicate with drives, power meters, or third-party controllers.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNetwork Topology Placement:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEnsure this unit is positioned at either the start or the end of the RS485 run. Incorrect placement of a terminated node in the middle of a segment will cause impedance mismatch and communication errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Clearances:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFor optimal fanless cooling, the unit must be mounted horizontally on the DIN rail. Maintain at least\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e30 mm\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eof clearance above and below the cooling fins to allow for natural convection, especially when the ambient temperature approaches\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e60 Celsius\u003c\/strong\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBus Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe CX5130-N031 automatically detects the I\/O bus type. When expanding the system, ensure the total current consumption from the E-bus\/K-bus does not exceed the controller's supply limit (typically 2 A). If exceeded, a power feed terminal (EL9410 or similar) must be added.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX5130-N031\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoffers a superior performance-to-size ratio. Its\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.75 GHz multi-core processor\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eallows it to handle significantly higher data throughput and faster cycle times than entry-level embedded PCs. Built with high vibration and shock resistance (conforming to\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eEN 60068-2-6\/27\u003c\/strong\u003e), it is designed for continuous operation in the most demanding B2B industrial environments. The combination of pre-configured RS485 termination and automatic bus detection reduces commissioning complexity, making it a highly reliable and flexible solution for modern machine control and industrial networking.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106701205867,"sku":"CX5130-N031","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cx5130-n031-jvqhkfdliyb.png?v=1776244294","url":"https:\/\/www.plcprotech.com\/products\/cx5130-n031-beckhoff-intel-atom-embedded-pc-with-terminated-rs485-interface","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}