{"product_id":"beckhoff-cx8051-embedded-pc-with-canopen-slave","title":"Beckhoff CX8051 Embedded PC with CANopen Slave","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem; line-height: 1.6;\"\u003e\nDesigned as a compact, fieldbus-capable control system, the \u003cstrong\u003eBeckhoff CX8051\u003c\/strong\u003e integrates an ARM9 processor to execute local PLC tasks while operating natively as a high-performance CANopen slave interface. This embedded controller combines the versatility of industrial PC technology with traditional fieldbus systems, enabling modular I\/O integration within a DIN rail mountable form factor. Driven by the \u003cstrong\u003eTwinCAT 2\u003c\/strong\u003e runtime environment and Windows Embedded CE 6 operating system, the unit manages local control loops while exchanging critical operational parameters with a master control system via its galvanically decoupled D-sub interface.\n\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 20px; line-height: 1.6;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eARM9 400 MHz processing core provides reliable deterministic control for small-to-medium industrial systems.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eIntegrated 1-second capacitive UPS retains up to 1 MB of persistent variables during unplanned power loss.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eAutomatic physical recognition and support for both EtherCAT (E-bus) and Bus Terminals (K-bus).\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eGalvanically decoupled 9-pin D-sub connection adhering strictly to CANopen communication specifications.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eDedicated diagnostic LEDs indicating TwinCAT operational states and fieldbus communication statuses.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem; padding-left: 20px; line-height: 1.6;\"\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eDistributed I\/O processing and subsystem control within large CANopen industrial networks.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eInfrastructure and building automation system integration utilizing TwinCAT 2 programming.\u003c\/li\u003e\n  \u003cli style=\"margin-bottom: 0.5rem;\"\u003eHazardous industrial processes requiring compliance with ATEX, IECEx, and cFMus Class I Division 2 safety norms.\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; font-family: sans-serif; font-size: 14px; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSpecification Value\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: 10px; font-weight: bold;\"\u003eManufacturer\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBeckhoff Automation\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModel Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCX8051\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProcessor\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eARM9, 400 MHz (Single Core)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eFlash Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e512 MB microSD (expandable via industrial-grade cards)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMain Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e64 MB DDR2 RAM (non-expandable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePersistent Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1-second UPS (1 MB persistent data capacity)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating System\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eWindows Embedded CE 6\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eControl Software\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTwinCAT 2 PLC Runtime\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInterfaces\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1 x RJ45 (10\/100 Mbit\/s), 1 x USB Device (under front flap), 1 x CANopen D-sub 9-pin\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eSupported I\/O Bus\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eE-bus (EtherCAT) or K-bus (Bus Terminals) with automatic detection\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eBus Power Supply Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.0 A maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePower Consumption\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e3.0 W maximum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eDimensions (W x H x D)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e64 mm x 100 mm x 73 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNet Weight\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e180 g\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0.5 kg (inclusive of industrial packaging)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOperating Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e0 degC to +55 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eStorage Temperature\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e-25 degC to +85 degC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eRelative Humidity\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e95% non-condensing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProtection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP20\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eEx Markings (ATEX)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eII 3 G Ex nA IIC T4 Gc, II 3 D Ex tc IIIC T135 degC Dc\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\u003cdiv style=\"overflow-x: auto; width: 100%; margin-bottom: 1.5rem;\"\u003e\n  \u003ctable style=\"border-collapse: collapse; width: 100%; color: #2d3748; font-family: sans-serif; font-size: 14px; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eD-sub 9-Pin Connector\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eCANopen Signal Assignment\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: 10px; font-weight: bold;\"\u003ePin 2\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCAN_L (Dominant Low bus line)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePin 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCAN_GND (Ground reference)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePin 7\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eCAN_H (Dominant High bus line)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePin 1, 4, 5, 6, 8, 9\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eNot connected \/ Reserved\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\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem; line-height: 1.6;\"\u003e\nThe CX8051 represents a dedicated fieldbus-dependent controller within the CX80xx series family. While models like the CX8090 handle Ethernet\/IP or Modbus TCP communication, the CX8051 cannot be converted to support alternative fieldbuses via firmware modification, as the CANopen physical layer is hardwired to the main board. When upgrading older systems configured with TwinCAT 2, ensure target settings in the TwinCAT System Manager are locked to the ARM platform (ARMV4I) and check library dependencies prior to download.\n\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem; line-height: 1.6;\"\u003e\nAlways ensure adequate thermal clearance (at least 30 mm above and below the module) to maintain passive heat convection. Running the CX8051 in compact enclosures without structured ventilation can cause the unit to exceed its maximum operating limit of +55 degC, leading to CPU throttling or memory access faults. Furthermore, users must avoid writing frequent log cyclic parameters directly to the microSD card. Standard flash cells degrade quickly under rapid write patterns; utilize the persistent 1 MB UPS memory space for continuous variables, committing values to flash only during controlled shutdown cycles.\n\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem; line-height: 1.6;\"\u003e\nThe CANopen address (Node ID) of the CX8051 can be hardcoded via physical address switches located behind the front flap or directly configured through TwinCAT software settings. For trouble-free bus communication, a 120-Ohm termination resistor must be connected across Pin 2 (CAN_L) and Pin 7 (CAN_H) at both physical ends of the CAN bus network. Keep signal cables isolated from high-voltage motor lines to prevent electromagnetic interference from disrupting the galvanically decoupled communication circuitry.\n\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 1rem; margin-bottom: 1.5rem;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 14px; line-height: 1.5;\"\u003e\n    Disconnect all operational electrical supplies before installing, wiring, or removing the CX8051 module. Failure to de-energize primary and fieldbus circuitry can lead to terminal damage, signal interference on active communication nodes, or unexpected machinery startup.\n  \u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003col style=\"list-style-type: none; padding: 0; margin-bottom: 1.5rem; color: #2d3748;\"\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 12px; font-weight: bold; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cspan\u003eMount the CX8051 controller onto a standard 35 mm DIN rail (EN 60715) by aligning the top clip with the rail and pressing downward until the latching mechanism snaps firmly.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 12px; font-weight: bold; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cspan\u003eAlign the adjacent EtherCAT (E-bus) or Bus Terminal (K-bus) slices and slide them onto the DIN rail, ensuring the side-mounted contacts fully engage with the CX8051's lateral bus connector.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 12px; font-weight: bold; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cspan\u003eConnect the 24 V DC power supply to the main power terminal blocks on the device, taking care to observe correct polarity markings to avoid internal fuse trips.\u003c\/span\u003e\n  \u003c\/li\u003e\n  \u003cli style=\"display: flex; align-items: flex-start; margin-bottom: 1rem; line-height: 1.6;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: inline-flex; justify-content: center; align-items: center; margin-right: 12px; font-weight: bold; flex-shrink: 0;\"\u003e4\u003c\/span\u003e\n    \u003cspan\u003eInsert the 9-pin D-sub CANopen communication cable into the lower bus connector, securing the retention screws to maintain solid galvanic grounding.\u003c\/span\u003e\n  \u003c\/li\u003e\n\u003c\/ol\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106439815531,"sku":"CX8051","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/cx8051-1icwgbsnowf.png?v=1776244323","url":"https:\/\/www.plcprotech.com\/fa\/products\/beckhoff-cx8051-embedded-pc-with-canopen-slave","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}