{"product_id":"beckhoff-ip2021-b518-canopen-fieldbus-box","title":"BECKHOFF IP2021-B518 CANopen Fieldbus Box","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBECKHOFF IP2021-B518\u003c\/strong\u003e is a high-performance decentralized fieldbus module designed to interface directly with digital actuators in harsh industrial environments. By distributing input and output capabilities directly onto machine structures, this module eliminates the need for expensive protective enclosures and extensive routing of individual signal cables. It acts as an efficient decentralized node within a CANopen network, handling digital control tasks with elevated reliability.\u003c\/p\u003e\n\n\u003cp\u003eEquipped with 8 digital outputs, the \u003cstrong\u003eBECKHOFF IP2021-B518\u003c\/strong\u003e provides a reliable system interface to drive local loads such as contactors, valves, solenoids, and indicators. The fieldbus connections are established via a physical T-connector structure featuring integrated M12 connectors. This design simplifies CANopen line topology installation by enabling direct daisy-chain configurations without requiring additional external splitters.\u003c\/p\u003e\n\n\u003cp\u003eConstructed from robust polyamide materials, the module achieves exceptional resilience against mechanical stress, vibration, and liquid ingress. Its space-efficient, sealed housing makes it suitable for placement on manufacturing equipment, robotic arms, and conveyors where physical protection and high-vibration resistance are paramount.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e8 independent digital output channels with short-circuit protection.\u003c\/li\u003e\n  \u003cli\u003eIntegrated CANopen bus interface with built-in M12 T-connector configuration.\u003c\/li\u003e\n  \u003cli\u003eM8 screw-type connectors for standard digital actuator integration.\u003c\/li\u003e\n  \u003cli\u003eRugged polyamide (PA6) XXL housing offering IP65, IP66, and IP67 protection.\u003c\/li\u003e\n  \u003cli\u003e500 V electrical isolation between the control logic voltage and the fieldbus network.\u003c\/li\u003e\n  \u003cli\u003eBroad data rate support from 10 kbaud up to 1 Mbaud with automatic detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDecentralized digital actuator control outside traditional electrical cabinets.\u003c\/li\u003e\n  \u003cli\u003eConveyor and material handling automation.\u003c\/li\u003e\n  \u003cli\u003ePneumatic valve manifold and solenoid coil control.\u003c\/li\u003e\n  \u003cli\u003eFactory automation installations exposed to dust, moisture, and vibration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ch4\u003eGeneral\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eParameter\u003c\/td\u003e\n      \u003ctd\u003eSpecification\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eManufacturer\u003c\/td\u003e\n      \u003ctd\u003eBECKHOFF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eExact Model\u003c\/td\u003e\n      \u003ctd\u003eIP2021-B518\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003eFieldbus Box\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHousing Material\u003c\/td\u003e\n      \u003ctd\u003ePA6 (polyamide)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eApprovals\u003c\/td\u003e\n      \u003ctd\u003eCE, UL\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eFieldbus \u0026amp; Communication\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eParameter\u003c\/td\u003e\n      \u003ctd\u003eSpecification\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFieldbus Protocol\u003c\/td\u003e\n      \u003ctd\u003eCANopen\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBus Interface\u003c\/td\u003e\n      \u003ctd\u003e1 x M12 plug (5-pin), 1 x M12 socket (5-pin) with integrated T-connector\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eData Transfer Rates\u003c\/td\u003e\n      \u003ctd\u003e10 kbaud to 1 Mbaud (automatic detection)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBit Width in Process Image\u003c\/td\u003e\n      \u003ctd\u003e8 outputs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eCANopen Features\u003c\/td\u003e\n      \u003ctd\u003eLife\/node guarding, emergency object, variable mapping, store\/restore, 16 send \/ 16 receive PDOs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eConfiguration Method\u003c\/td\u003e\n      \u003ctd\u003eKS2000 software or via the controller (SDOs)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eDigital Outputs\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eParameter\u003c\/td\u003e\n      \u003ctd\u003eSpecification\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Channels\u003c\/td\u003e\n      \u003ctd\u003e8 digital outputs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOutput Connection\u003c\/td\u003e\n      \u003ctd\u003eM8, screw type\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Output Voltage\u003c\/td\u003e\n      \u003ctd\u003e24 V DC (-15 % \/ +20 %)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMax. Output Current\u003c\/td\u003e\n      \u003ctd\u003e2 A per channel (individually short-circuit proof, sum max. 4 A)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eShort-Circuit Current\u003c\/td\u003e\n      \u003ctd\u003eMax. 4 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eLoad Type\u003c\/td\u003e\n      \u003ctd\u003eOhmic, inductive, lamp load\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003ePower Supply \u0026amp; Electrical\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eParameter\u003c\/td\u003e\n      \u003ctd\u003eSpecification\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Supply Connections\u003c\/td\u003e\n      \u003ctd\u003eFeed: 1 x M8 male (4-pin); Downstream: 1 x M8 female (4-pin)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eControl Voltage\u003c\/td\u003e\n      \u003ctd\u003e24 V DC (-15 % \/ +20 %)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBox Supply Current\u003c\/td\u003e\n      \u003ctd\u003e45 mA + current consumption of sensors (max. 0.5 A)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n      \u003ctd\u003e500 V (control voltage \/ fieldbus)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eMechanical \u0026amp; Environmental\u003c\/h4\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eParameter\u003c\/td\u003e\n      \u003ctd\u003eSpecification\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n      \u003ctd\u003e30 mm x 210 mm x 26.5 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eHousing Type\u003c\/td\u003e\n      \u003ctd\u003eXXL housing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProtection Class\u003c\/td\u003e\n      \u003ctd\u003eIP65, IP66, IP67 (conforms to EN 60529)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eOperating Temperature\u003c\/td\u003e\n      \u003ctd\u003e0 to +55 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eStorage Temperature\u003c\/td\u003e\n      \u003ctd\u003e-25 to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInstallation\u003c\/td\u003e\n      \u003ctd\u003e2 fixing holes (3.5 mm diameter for M3 screws)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eVibration\/Shock Resistance\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 60068-2-6 \/ EN 60068-2-27\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eEMC Immunity\/Emission\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections \/ Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eInterface or Terminal\u003c\/td\u003e\n      \u003ctd\u003eFunction\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eM12 Plug \/ Socket (5-pin)\u003c\/td\u003e\n      \u003ctd\u003eIntegrated CANopen T-connector bus interface\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eM8 Channels (8 sockets)\u003c\/td\u003e\n      \u003ctd\u003eDigital output connections for 24 V DC actuators\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eM8 Male (4-pin)\u003c\/td\u003e\n      \u003ctd\u003e24 V DC control power input feed\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eM8 Female (4-pin)\u003c\/td\u003e\n      \u003ctd\u003e24 V DC downstream power connection for subsequent modules\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eEnsure the entire industrial automation system and all associated power supplies are fully de-energized before beginning installation.\u003c\/li\u003e\n  \u003cli\u003eMount the module securely using the two 3.5 mm diameter fixing holes with M3 screws on a flat machine surface.\u003c\/li\u003e\n  \u003cli\u003eConnect the CANopen network cables using the integrated M12 T-connector ports. Securely tighten the connector collars to protect against moisture ingress.\u003c\/li\u003e\n  \u003cli\u003eWire the 24 V DC control voltage supply to the M8 4-pin male input feed connector. If daisy-chaining power, connect the downstream M8 female connector to the next module.\u003c\/li\u003e\n  \u003cli\u003eConnect the digital actuators to the designated M8 output channels, ensuring correct wiring configuration and proper tightness.\u003c\/li\u003e\n  \u003cli\u003eSet the appropriate CANopen node address and parameters within your master controller software (e.g., TwinCAT) before system startup.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eReplacement Recommendations\u003c\/h3\u003e\n\u003cp\u003eWhen replacing an existing module, document the active CANopen node configuration and physical port assignments first. Ensure power is switched off before disconnecting any M8 or M12 connections. Mount the replacement module, connect all cables securely to maintain the IP67 sealing rating, and load the corresponding hardware configuration to restore machine operation.\u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106472124779,"sku":"IP2021-B518","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/ip2021-b518-0pudsvkdomo.png?v=1776244946","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-ip2021-b518-canopen-fieldbus-box","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}