{"product_id":"cx9020-n031-0004-beckhoff-embedded-pc-basic-cpu-module","title":"CX9020-N031-0004 BECKHOFF Module CPU de base PC embarqué","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX9020-N031-0004 (CX9020-N031-0004)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a compact, DIN-rail mountable Ethernet control system designed for versatile industrial automation tasks. This Basic CPU module serves as the core processing unit for the CX9020 series, integrating a high-performance ARM Cortex™-A8 processor with a specialized\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS422 interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003econfiguration. In sectors such as building automation, solar energy management, and specialized machine construction, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX9020-N031-0004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis essential for coordinating I\/O systems and managing serial communication with peripheral devices. Its fanless design and lack of rotating parts ensure high operational reliability and reduced maintenance cycles in harsh factory floor environments where vibration and dust are prevalent.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe hardware architecture of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX9020-N031-0004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis defined by its integrated N031 serial interface option. This specific variant provides an\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eRS422 interface\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003evia a 9-pin D-sub socket, pre-configured as a full-duplex end point with internal termination enabled. This setup is optimized for point-to-point data transmission over long distances, offering superior noise immunity compared to standard RS232 connections. The CPU module handles the execution of TwinCAT PLC and Motion Control software, acting as the intelligent hub between the local I\/O level (either Bus Terminals or EtherCAT Terminals) and the higher-level network via its dual switched Ethernet ports.\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\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCX9020-N031-0004\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBECKHOFF\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGermany\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDevice Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBasic CPU Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProcessor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eARM Cortex-A8\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eInterface Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS422 (D-sub socket, 9-pin)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSerial Config\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull duplex end point\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTermination\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eInternal (Active\/On)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Supply\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\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCommunication\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 x RJ45 (Switched Ethernet)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-25 to +60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e84 mm x 99 mm x 91 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProtection Rating\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\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e590 g\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg\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\u003eCan this CPU module support both K-bus and E-bus terminals?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the CX9020 series features an automatic bus detection system. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX9020-N031-0004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecan interface with either standard Beckhoff Bus Terminals (K-bus) or high-speed EtherCAT Terminals (E-bus) by simply attaching the corresponding terminal segment to the right-hand side of the CPU.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the \"Full Duplex End Point\" configuration on the RS422 port?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe full duplex configuration allows for simultaneous two-way communication between the CPU and the connected device. Being an \"end point\" with \"termination on\" means the module is designed to sit at the end of the communication line, utilizing internal resistors to prevent signal reflections and ensure data integrity over long cables.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the CX9020 fanless?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX9020-N031-0004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003euses passive cooling and flash-based storage. The absence of a fan and hard drive makes it highly resistant to mechanical wear and suitable for deployment in high-vibration industrial environments.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eRS422 Serial Wiring and Termination:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen connecting the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCX9020-N031-0004\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto a peripheral device, ensure that the cable length does not exceed 1200 meters, which is the theoretical limit for RS422. Since termination is internally set to \"On,\" this module must be positioned at one physical end of the serial network. If the communication fails or data corruption occurs, verify that the remote device also has proper termination (typically 120 Ohms) to balance the line.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStorage and Power Management:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CX9020 utilizes microSD cards for the operating system and TwinCAT runtime. Always use Beckhoff-certified industrial-grade microSD cards to ensure high write-cycle endurance and data retention. During installation, ensure the 24 VDC power supply is stable; a power failure during a write operation can corrupt the flash media. Using a Beckhoff UPS module (like the CX2100 series power supplies) is highly recommended for critical applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting and Clearance:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module must be mounted on a 35 mm DIN rail. To maintain the rated operating temperature of 60 deg C, provide at least 30 mm of clearance above and below the unit for natural convection. Avoid installing the CPU directly above heat-generating components like large frequency inverters or power transformers.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106652021099,"sku":"CX9020-N031-0004","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cx9020-n031-0004-weugrw400vp.png?v=1776244331","url":"https:\/\/www.plcprotech.com\/fr\/products\/cx9020-n031-0004-beckhoff-embedded-pc-basic-cpu-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}