{"product_id":"beckhoff-cx2040-n031-basic-cpu-module","title":"Module CPU de base Beckhoff CX2040-N031","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBeckhoff CX2040-N031 (CX2040-N031)\u003c\/strong\u003e is a high-performance Basic CPU module designed for the CX2000 series, serving as the central control intelligence for complex automation and motion-control tasks. Powered by a high-clock-rate multicore processor, this unit is engineered for demanding applications that require extreme real-time performance, such as high-speed robotics, precision manufacturing, and large-scale plant automation. The \u003cstrong\u003e-N031\u003c\/strong\u003e variant is specifically equipped with a high-reliability \u003cstrong\u003eRS485 interface\u003c\/strong\u003e (9-pin D-sub), enabling high-speed, half-duplex serial communication for industrial bus systems and external sensor arrays.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration\u003c\/h3\u003e\n\u003cp\u003eThe CX2040-N031 acts as the \"brain\" of the Beckhoff Embedded PC system. It is designed to be mounted directly onto a DIN rail and provides a modular interface to the EtherCAT Terminal (EL) system, allowing for direct, real-time access to machine I\/O. The integrated RS485 interface is configured as an end-point without echo, which reduces traffic on the serial line and prevents the controller from processing its own transmitted signals, ensuring clean, efficient data transfer. Its active cooling system and robust physical design ensure consistent performance under high computational loads.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eCX2040-N031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCX2000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eHigh-performance Multicore\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eRS485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003e9-pin D-sub socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eEnd point, without echo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination\u003c\/td\u003e\n\u003ctd\u003eIntegrated (On)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the advantage of an \"End point, without echo\" RS485 configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIn many RS485 implementations, the device receives its own transmitted data (echo). By configuring the module as an \"end point without echo,\" the controller is relieved of the overhead of filtering its own data, resulting in faster and more reliable serial bus communication for industrial sensors and instruments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this CPU module compatible with TwinCAT 3?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes, the CX2040 series is fully optimized for TwinCAT 3, enabling multi-core task distribution. This allows you to run PLC, motion control, and visualization applications on separate processor cores for maximum stability and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the RS485 interface handle data collisions?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eRS485 is a multi-drop communication standard. In an \"end point\" configuration, the CX2040 assumes the role of a node in the serial network. Proper management of data collisions is handled at the software layer (TwinCAT) via the serial communication library, ensuring that timing and handshaking are strictly enforced.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this module require specific cooling considerations?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe CX2040 features an active cooling system. Ensure that the module is installed with sufficient top and bottom clearance (at least 50 mm) in the cabinet to allow the internal fans to circulate air effectively.\u003c\/p\u003e\n\u003ch3\u003eInstallation Guidelines and Best Practices\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Bus Termination:\u003c\/strong\u003e Since the termination is set to \"On\" by default in this specific model, ensure this module is placed at the physical end of your RS485 serial bus segment. If you attempt to use this at the beginning or middle of a daisy-chain, signal reflections may occur, leading to data corruption.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e The CX2040 is a high-speed controller; always connect the device’s ground stud to a low-impedance star ground in your control cabinet. This is crucial for maintaining the integrity of the high-frequency internal signals and the serial bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding:\u003c\/strong\u003e For the RS485 connection, use a high-quality, twisted-pair shielded cable. Connect the shield at one point (usually the master controller side) to avoid creating ground loops, which can interfere with the high-speed CPU performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVibration Protection:\u003c\/strong\u003e As a high-performance CPU module, ensure the DIN rail installation is rigid. If the machine environment is prone to extreme shock, consider using shock-absorbent mounts for the DIN rail itself.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106606539115,"sku":"CX2040-N031","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cx2040-n031-teghtlrcfax.png?v=1776244205","url":"https:\/\/www.plcprotech.com\/fr\/products\/beckhoff-cx2040-n031-basic-cpu-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}