{"product_id":"beckhoff-ip2021-b810-fieldbus-box-8-channel-digital-output-module","title":"Beckhoff IP2021-B810 Fieldbus Box 8-Channel Digital Output Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eDelivering localized output actuation in demanding machine environments, the \u003cstrong\u003eBeckhoff IP2021-B810\u003c\/strong\u003e Fieldbus Box integrates serial communications directly at the machine level. This rugged fieldbus module features \u003cstrong\u003e8 digital outputs\u003c\/strong\u003e operating at \u003cstrong\u003e24 V DC\u003c\/strong\u003e, capable of handling switching currents up to \u003cstrong\u003e2 A per channel\u003c\/strong\u003e. Designed for decentralized control systems, the \u003cstrong\u003eBeckhoff IP2021-B810\u003c\/strong\u003e processes control signals from a master device over an integrated \u003cstrong\u003eRS232\u003c\/strong\u003e serial connection, eliminating the need for complex intermediate sub-distribution assemblies. Its robust construction makes it ideal for direct mounting on machinery under challenging physical conditions.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003e8 Digital Outputs:\u003c\/strong\u003e Standard 24 V DC outputs designed to actuate heavy industrial loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Load:\u003c\/strong\u003e Supports up to 2 A output current per channel, allowing direct connection to solenoids and contactors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRS232 Control Interface:\u003c\/strong\u003e Simplified, point-to-point serial communication for direct controller linking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eM8 Circular Connectors:\u003c\/strong\u003e Fast, vibration-resistant screw-type connection interfaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIP67 Protection Class:\u003c\/strong\u003e Fully encapsulated housing protects internal electronics from moisture, dust, and non-corrosive liquids.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCabinet-Free Design:\u003c\/strong\u003e Rugged, space-saving layout optimized for localized installation directly on structural machine frames.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; padding-left: 20px; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePneumatic Valve Block Actuation:\u003c\/strong\u003e Direct triggering of solenoid valves in pneumatic distribution networks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConveyor Line Integration:\u003c\/strong\u003e Decentralized drive and stop-gate control along large materials handling systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive Assembly Workstations:\u003c\/strong\u003e Localized signal distribution for jigs, clamps, and position indicators.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackaging Machinery:\u003c\/strong\u003e Multi-channel output control in dust-prone or washdown-adjacent production sectors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications Table\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eParameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\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 GmbH \u0026amp; Co. KG\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 \/ Article Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP2021-B810\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eModule Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eFieldbus Box Digital Output Module\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eNumber of Outputs\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e8 channels\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eOutput Type\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDigital, 24 V DC\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eMax. Output Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 A per channel (short-circuit protected)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eCommunication Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRS232 serial interface\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eConnection Method\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eM8 screw-type connectors\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eIngress Protection Rating\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eIP67 (when all ports are fully mated or capped)\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 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 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;\"\u003eShipping Weight (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2.0 kg\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePackage Dimensions (Calculated)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e150 mm x 60 mm x 50 mm\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #2b6cb0;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eM8 Output Pin\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eSignal Assignment\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold; color: #1a365d;\"\u003eDescription\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 1\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e+24 V DC\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eAuxiliary power \/ sensor supply contact\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;\"\u003eGND (0 V)\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eReference ground potential\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 4\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eOutput Signal\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eControlled digital output driver path (24 V DC, 2 A)\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 style=\"color: #1a365d; margin-top: 1rem;\"\u003eAlternative Models \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eThe IP2021-B810 is ideal for localized RS232 architectures. If migration to industrial Ethernet is required, a transition to Beckhoff EP2008 (EtherCAT) or equivalent fieldbus couplers will necessitate replacing the physical M8 cabling with Industrial Ethernet-capable interfaces and adjusting the twinCAT configuration files from serial mappings to standard EtherCAT PDOs.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem;\"\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhile each channel supports a high peak capacity of 2 A, the cumulative load current of all channels combined must not exceed the physical capability of the main auxiliary power input pin. Operating all 8 channels simultaneously at maximum load without active thermal management or duty cycling will result in localized thermal buildup and may trigger internal overcurrent protection circuits.\u003c\/p\u003e\n\n\u003ch4 style=\"color: #1a365d; margin-top: 1rem;\"\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h4\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eBecause RS232 relies on single-ended signals, it is inherently susceptible to electrical noise. Standard engineering rules limit RS232 cable lengths to 15 meters. Ensure the RS232 communication cable is completely shielded, and tie the shield braid to low-impedance ground at the controller end. Do not run communication lines parallel to high-voltage AC or variable frequency drive (VFD) output motor cables.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cdiv style=\"background-color: #fff5f5; border-left: 4px solid #c53030; padding: 15px; margin-bottom: 1.5rem; border-radius: 4px;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 5px;\"\u003eCRITICAL WARNING:\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0; font-size: 0.95rem;\"\u003eAlways isolate the auxiliary power supply and fieldbus control line before starting maintenance or hardware integration. Electrical arc flashes or accidental grounding of the 2 A output lines can cause severe equipment damage and disrupt controller operations across the wider serial loop.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 12px; margin-bottom: 1.5rem;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background-color: #2b6cb0; color: #ffffff; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the Fieldbus Box onto a flat, vibration-damped structural surface using M4 or M5 mounting screws. Torque to the specified mechanical limits to prevent frame distortion.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background-color: #2b6cb0; color: #ffffff; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eConnect the RS232 interface cable to the dedicated serial communication port, ensuring the locking ring on the connector is secured to maintain IP67 integrity.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start;\"\u003e\n    \u003cspan style=\"display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; border-radius: 50%; background-color: #2b6cb0; color: #ffffff; font-weight: bold; margin-right: 12px; flex-shrink: 0;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eVerify wiring assignments on the M8 output channels to prevent accidental short circuits, and apply protective cap seals over any unused physical ports.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106470388075,"sku":"IP2021-B810","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ip2021-b810-kryzyjcpnwd.png?v=1776244950","url":"https:\/\/www.plcprotech.com\/pt\/products\/beckhoff-ip2021-b810-fieldbus-box-8-channel-digital-output-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}