{"product_id":"beckhoff-bk3150-profibus-bus-coupler-24v-dc-ships-fast","title":"BK3150 | Beckhoff PROFIBUS Compact Bus Coupler 24 V DC, 12 Mbaud, 128-Byte I\/O, 64 Terminals","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"444\" data-start=\"90\"\u003eThe Beckhoff BK3150 is a PROFIBUS Compact Bus Coupler that connects PROFIBUS systems with Beckhoff Bus Terminals in a compact and cost-effective design. Operating at 24 V DC and supporting up to 64 terminals, it offers automatic baud rate detection up to 12 Mbaud and 128-byte I\/O capacity for efficient and reliable fieldbus communication.\u003c\/p\u003e\n\u003ch3 data-end=\"534\" data-start=\"502\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.964%; height: 529.2px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eBeckhoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eIndustrial Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eBK3150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003ePROFIBUS Bus Coupler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eBus System\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003ePROFIBUS-DP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eDevice Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eCompact Bus Coupler\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eSupported Terminals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e64 terminals (255 with K-bus extension)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eMax. Fieldbus Data\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e128 bytes input \/ 128 bytes output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eData Transfer Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eAuto-detect up to 12 Mbaud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e1 × D-sub 9-pin socket with shielding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eData Transfer Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eShielded copper cable, 2 × 0.25 mm²\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eAddress Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e2 rotary address selection switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e70 mA + (total K-bus current)\/4, max. 500 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eK-Bus Current Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e1750 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Contacts\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eMax. 24 V DC \/ 10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e500 V (power contact\/supply voltage\/fieldbus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eProtection Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 39.2px;\"\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 39.2px;\"\u003e-25°C to +60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eUp to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eDimensions (Approx.)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eCompact housing form (similar to standard BK series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003ePolycarbonate housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eApprovals\/Markings\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003eCE, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 27.9934%; height: 19.6px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.8734%; height: 19.6px;\"\u003e100 g (approx. 0.22 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eBK3150\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe BK3150 Compact Bus Coupler from Beckhoff extends the Bus Terminal system with a PROFIBUS-DP interface in a space-saving and economical format. Designed to support up to 64 terminals—and expandable to 255 using a K-bus extension—it provides flexible modularity for distributed automation architectures. The coupler features automatic baud rate detection up to 12 Mbaud, ensuring seamless communication with various PROFIBUS masters without manual configuration. Its D-sub 9-pin connector with shielding guarantees stable signal transmission, while the integrated address switches simplify setup. With 128-byte input and output mapping, the BK3150 enables efficient data exchange for both digital and analog I\/O modules. The compact IP20 housing and -25°C to +60°C operating range make it suitable for control cabinet installations and industrial environments demanding high reliability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact PROFIBUS Coupler: Connects Beckhoff Bus Terminals directly to PROFIBUS-DP networks in a small housing.\u003c\/li\u003e\n\u003cli\u003eAutomatic Baud Rate Detection: Supports data rates up to 12 Mbaud for flexible and fast fieldbus communication.\u003c\/li\u003e\n\u003cli\u003eModular Expansion: Accommodates up to 64 terminals, expandable to 255 with K-bus extension modules.\u003c\/li\u003e\n\u003cli\u003eHigh I\/O Capacity: Handles up to 128 bytes each of input and output data for complex automation systems.\u003c\/li\u003e\n\u003cli\u003eIntegrated Address Switches: Two rotary selectors simplify PROFIBUS station address configuration.\u003c\/li\u003e\n\u003cli\u003eRobust Electrical Isolation: 500 V isolation between power supply, fieldbus, and terminal bus for system safety.\u003c\/li\u003e\n\u003cli\u003eReliable Power Distribution: 24 V DC power supply with up to 10 A through power contacts for connected terminals.\u003c\/li\u003e\n\u003cli\u003eShielded Connection Interface: D-sub 9-pin PROFIBUS connector ensures stable and interference-free communication.\u003c\/li\u003e\n\u003cli\u003eWide Temperature Range: Operates reliably between -25°C and +60°C, suitable for industrial control cabinets.\u003c\/li\u003e\n\u003cli\u003eLow Power Consumption: Efficient design with a 70 mA base current draw plus terminal load.\u003c\/li\u003e\n\u003cli\u003eDiagnostic Capability: Supports monitoring through TwinCAT and PROFIBUS diagnostic tools.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe BK3150 delivers the reliability and precision required for PROFIBUS-based automation systems, providing flexible connectivity, modular expansion, and efficient communication performance.\u003c\/p\u003e","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":50746688373034,"sku":"BK3150","price":235.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/bk3150__web_preview.png?v=1761511334","url":"https:\/\/iqelectro.com\/products\/beckhoff-bk3150-profibus-bus-coupler-24v-dc-ships-fast","provider":"IQElectro","version":"1.0","type":"link"}