{"product_id":"beckhoff-bk3150-profibus-compact-bus-coupler","title":"BECKHOFF BK3150 PROFIBUS Compact Bus Coupler","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBECKHOFF BK3150\u003c\/strong\u003e is a cost-optimized, space-saving PROFIBUS Compact Bus Coupler designed to integrate Beckhoff Bus Terminals directly into PROFIBUS DP networks. Operating as a decentralized fieldbus slave, this compact unit establishes a reliable bridge between the high-speed PROFIBUS fieldbus system and local KL-series and KS-series Bus Terminals (K-bus).\u003c\/p\u003e\n\u003cp\u003eHoused in a compact enclosure, the \u003cstrong\u003eBECKHOFF BK3150\u003c\/strong\u003e automates the detection of baud rates up to 12 Mbaud, facilitating direct integration into existing industrial setups. Its design makes it highly suitable for applications where space in control cabinets is limited but reliable, deterministic modular I\/O communication is required.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCost-optimized and compact housing design for efficient space utilization.\u003c\/li\u003e\n  \u003cli\u003eDirect connection to PROFIBUS DP fieldbus systems.\u003c\/li\u003e\n  \u003cli\u003eSupports up to 64 Bus Terminals in a standard configuration, and up to 255 Bus Terminals using a terminal bus extension.\u003c\/li\u003e\n  \u003cli\u003eAutomatic baud rate detection up to a maximum of 12 Mbaud.\u003c\/li\u003e\n  \u003cli\u003eIntegrated RS485 physical interface using a standard D-sub connection.\u003c\/li\u003e\n  \u003cli\u003eReliable mounting mechanism utilizing a standard 35 mm DIN rail.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDecentralized industrial control systems utilizing PROFIBUS DP architectures.\u003c\/li\u003e\n  \u003cli\u003eMachine tool automation and manufacturing production lines.\u003c\/li\u003e\n  \u003cli\u003eControl cabinet installations with strict physical space constraints.\u003c\/li\u003e\n  \u003cli\u003eDistributed data acquisition and digital\/analog signal concentration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eParameter\u003c\/th\u003e\n      \u003cth\u003eSpecification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\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\u003eModel\u003c\/td\u003e\n      \u003ctd\u003eBK3150\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eProduct Type\u003c\/td\u003e\n      \u003ctd\u003ePROFIBUS Compact Bus Coupler\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eFieldbus Interface\u003c\/td\u003e\n      \u003ctd\u003ePROFIBUS DP \/ DP-V1\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePhysical Layer\u003c\/td\u003e\n      \u003ctd\u003eRS485\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eData Transfer Rate\u003c\/td\u003e\n      \u003ctd\u003eAutomatic detection up to 12 Mbaud\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eBus Interface Connection\u003c\/td\u003e\n      \u003ctd\u003e1 x D-sub 9-pin socket\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNumber of Bus Terminals\u003c\/td\u003e\n      \u003ctd\u003e64 (up to 255 with terminal bus extension)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eNominal Supply Voltage\u003c\/td\u003e\n      \u003ctd\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eK-bus (Terminal Bus) Connection\u003c\/td\u003e\n      \u003ctd\u003eIntegrated mechanical lock with slot and key connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eMounting Method\u003c\/td\u003e\n      \u003ctd\u003e35 mm DIN rail (EN 60715) with structural latch\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  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eInterface\u003c\/th\u003e\n      \u003cth\u003eFunction\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eD-Sub 9-pin socket\u003c\/td\u003e\n      \u003ctd\u003ePROFIBUS DP RS485 network connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePower Supply Terminals\u003c\/td\u003e\n      \u003ctd\u003e24 V DC system supply input and ground connection\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eK-bus Interface\u003c\/td\u003e\n      \u003ctd\u003eLateral contact surface for modular Bus Terminal communication\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 control system is completely de-energized before beginning installation, modification, or wiring.\u003c\/li\u003e\n  \u003cli\u003eMount the \u003cstrong\u003eBECKHOFF BK3150\u003c\/strong\u003e securely onto a clean, grounded 35 mm DIN rail conforming to EN 60715, ensuring the locking slide is firmly engaged.\u003c\/li\u003e\n  \u003cli\u003eAttach the required KL\/KS series Bus Terminals sequentially onto the DIN rail, sliding them side-by-side into the coupler until the lateral slot-and-key connections are fully interlocked.\u003c\/li\u003e\n  \u003cli\u003eConnect the PROFIBUS network cable to the integrated 9-pin D-sub socket. If the coupler is positioned at either physical end of the PROFIBUS segment, ensure a standard active bus termination resistor is switched on at the connector.\u003c\/li\u003e\n  \u003cli\u003eWire the 24 V DC nominal power supply to the appropriate supply terminal contact points.\u003c\/li\u003e\n  \u003cli\u003eSet the specific node address on the rotary address switches prior to commissioning the network.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eReplacement Recommendations\u003c\/h3\u003e\n\u003cp\u003eWhen replacing an active \u003cstrong\u003eBECKHOFF BK3150\u003c\/strong\u003e unit in an existing PROFIBUS installation, document and record the current settings of the rotary address switches before removing the original coupler. Reconfigure the rotary switches on the replacement unit to match the original settings exactly before powering up the system to ensure correct identification by the PROFIBUS master controller.\u003c\/p\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106450563435,"sku":"BK3150","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/BK3150-uvzcxktkmph.png?v=1776243453","url":"https:\/\/www.plcprotech.com\/products\/beckhoff-bk3150-profibus-compact-bus-coupler","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}