{"product_id":"beckhoff-bc3150-profibus-bus-terminal-controller","title":"Beckhoff BC3150 PROFIBUS Bus Terminal Controller","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eExecuting local control logic at the field level, the \u003cstrong\u003eBeckhoff BC3150\u003c\/strong\u003e functions as a high-efficiency \u003cstrong\u003ePROFIBUS Bus Terminal Controller\u003c\/strong\u003e. This compact PLC device manages up to 64 decentralized Bus Terminals (expanding to 255 with a K-bus extension) and interfaces seamlessly with primary PROFIBUS DP master controllers. Engineered with integrated memory and an execution environment programmed via \u003cstrong\u003eTwinCAT\u003c\/strong\u003e, it serves as a robust processing node for distributed industrial automation architectures.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul style=\"list-style-type: square; color: #2d3748; margin-bottom: 1.5rem;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEmbedded PLC Functionality:\u003c\/strong\u003e Programmed using TwinCAT in standard IEC 61131-3 languages (IL, LD, FBD, SFC, ST).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Communication:\u003c\/strong\u003e Automatic baud rate detection up to 12 Mbaud on the PROFIBUS DP interface.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable I\/O Capacity:\u003c\/strong\u003e Direct connection of up to 64 Bus Terminals, handling up to 2,040 digital or 128 analog peripheral points.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptimized Memory Footprint:\u003c\/strong\u003e Equips 48 kbytes of program memory, 32 kbytes of data memory, and 2 bytes of non-volatile (remanent) data storage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModular Expansion:\u003c\/strong\u003e K-bus system connection delivers up to 1750 mA current supply to downstream input and output terminals.\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;\"\u003e\n  \u003cli\u003eDecentralized process control and subsystem preprocessing.\u003c\/li\u003e\n  \u003cli\u003eMachine-level PLC execution with dedicated fieldbus handshaking.\u003c\/li\u003e\n  \u003cli\u003eDistributed packaging, logistics, and material handling systems requiring autonomous local safety logic.\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; text-align: left;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"border-bottom: 2px solid #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSpecification Parameter\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eValue \/ Detail\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 \/ Part Number\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eBC3150\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eFieldbus Interface\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1 x D-sub socket, 9-pin (PROFIBUS DP)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProgramming System\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eTwinCAT (via programming interface or fieldbus)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProgram Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e48 kbytes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eData Memory\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e32 kbytes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eRemanent Data\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e2 bytes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003ePLC Cycle Time\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eApprox. 3 ms for 1,000 instructions\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. Fieldbus Data Size\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e128 bytes input \/ 128 bytes output\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 Supply Input\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eInput Current\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e320 mA 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;\"\u003eCurrent Supply K-Bus\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e1750 mA\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 Contacts\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eMax. 24 V DC \/ Max. 10 A\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eElectrical Isolation\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e500 V (power contact \/ supply voltage)\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;\"\u003e-25 to +60 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-40 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;\"\u003eEx Marking\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eII 3 G Ex nA IIC T4 Gc\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px; font-weight: bold;\"\u003eProduct Dimensions\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003e44 mm x 100 mm x 68 mm (W x H x D)\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;\"\u003e3.0 kg\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 #1a365d;\"\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eD-sub 9-Pin Assignment\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eSignal Name\u003c\/th\u003e\n        \u003cth style=\"padding: 10px; font-weight: bold;\"\u003eFunctional Description\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;\"\u003ePin 3\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRxD\/TxD-P\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eReceive\/Transmit Data Positive (B-line)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePin 5\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eDGND\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eData Ground references for termination\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePin 6\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eVP\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eSupply Voltage for active resistors (5 V)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n        \u003ctd style=\"padding: 10px;\"\u003ePin 8\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eRxD\/TxD-N\u003c\/td\u003e\n        \u003ctd style=\"padding: 10px;\"\u003eReceive\/Transmit Data Negative (A-line)\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eAlternative Models \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eWhile the standard BK3120 and BK3150 function purely as non-programmable PROFIBUS couplers, the \u003cstrong\u003eBC3150\u003c\/strong\u003e offers a built-in PLC engine. When transitioning from BK series couplers to the BC3150, physical space on the DIN rail remains compact, but modifications in the master TwinCAT runtime system config are necessary to accommodate local program execution variables rather than straight I\/O pass-through mapping.\u003c\/p\u003e\n\n\u003ch3\u003eApplication Pitfalls \u0026amp; Engineering Notes\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eCalculate the cumulative power draw of all connected Bus Terminals prior to mounting. Since the internal K-bus current capability peaks at \u003cstrong\u003e1750 mA\u003c\/strong\u003e, complex analog I\/O clusters or high-density digital modules may exhaust this allocation. In cases of power depletion, deploy intermediate Beckhoff KL9110 or KL9210 power feed terminals to prevent diagnostic bus failures and system drops.\u003c\/p\u003e\n\n\u003ch3\u003eCommissioning \u0026amp; Wiring Tips\u003c\/h3\u003e\n\u003cp style=\"color: #2d3748; margin-bottom: 1rem;\"\u003eTo guarantee clean communications up to 12 Mbaud, use PROFIBUS-certified shielded twisted-pair cabling. Maintain active bus termination at both the beginning and end of each PROFIBUS physical segment. During commission, configure address settings accurately via the KS2000 software tool or through the built-in rotary DIP switches situated beneath the terminal cover.\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;\"\u003e\n  \u003cstrong style=\"color: #9b2c2c; display: block; margin-bottom: 0.5rem;\"\u003eCRITICAL WARNING\u003c\/strong\u003e\n  \u003cp style=\"color: #9b2c2c; margin: 0;\"\u003eIsolate all electrical power sources before initiating hardware installation or disassembly. Working under voltage presents severe risk of electrical shock, equipment damage, or communication system corruption. Verify the ground potential is fully clamped before introducing power contacts.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-direction: column; gap: 10px;\"\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-weight: bold;\"\u003e1\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eMount the BC3150 securely onto a 35 mm DIN rail (conforming to EN 60715) until the locking latch clicks firmly into place.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-weight: bold;\"\u003e2\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eWire the supply terminals using flexible or solid conductors (0.08 to 2.5 mm square section) and standard ferrules, securing with spring-clamp actuation.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display: flex; align-items: flex-start; gap: 10px;\"\u003e\n    \u003cspan style=\"background-color: #2b6cb0; color: #ffffff; width: 24px; height: 24px; border-radius: 50%; display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-weight: bold;\"\u003e3\u003c\/span\u003e\n    \u003cp style=\"color: #2d3748; margin: 0;\"\u003eVerify connection stability, assign the target PROFIBUS station address, plug in the 9-pin D-sub PROFIBUS trunk line, and power on.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106500010347,"sku":"BC3150","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bc3150-5p1y21yvmyx.png?v=1776243422","url":"https:\/\/www.plcprotech.com\/id\/products\/beckhoff-bc3150-profibus-bus-terminal-controller","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}