{"product_id":"beckhoff-bk7300-modbus-bus-coupler","title":"Penyambung Bas Modbus Beckhoff BK7300","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cp\u003eIntegrating modular I\/O systems directly with serial networks, the \u003cstrong\u003eBK7300\u003c\/strong\u003e Modbus RTU\/ASCII Bus Coupler establishes a reliable interface between the Modbus fieldbus and decentralized Beckhoff Bus Terminals. This communication interface links up to 64 standard Bus Terminals to a central controller via an RS485 connection. It automatically detects connected terminal channels and structures them into the process image, enabling efficient handling of digital, analog, and specialized inputs and outputs.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eBK7300\u003c\/strong\u003e coupler operates on Modbus RTU or Modbus ASCII protocols, which are configurable using rotary address switches or the proprietary KS2000 software tool. Designed for harsh industrial environments, this unit features a compact, DIN-rail mountable form factor and provides 500 V electrical isolation between the power contacts, the fieldbus interface, and the internal K-bus electronics.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect integration of up to 64 standard Beckhoff Bus Terminals.\u003c\/li\u003e\n  \u003cli\u003eSupports both Modbus RTU and Modbus ASCII protocols (RTU default setting).\u003c\/li\u003e\n  \u003cli\u003eFlexible node addressing via hardware rotary switches or software configuration.\u003c\/li\u003e\n  \u003cli\u003eGenerous process image capacity supporting up to 512 bytes of input and 512 bytes of output data.\u003c\/li\u003e\n  \u003cli\u003eRobust RS485 serial interface housed in a standard D-sub 9-pin connection.\u003c\/li\u003e\n  \u003cli\u003eIntegrated K-bus power supply providing up to 1750 mA current output for terminal electronics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDecentralized process automation and plant control.\u003c\/li\u003e\n  \u003cli\u003eFactory automation and production assembly lines.\u003c\/li\u003e\n  \u003cli\u003eBuilding automation, HVAC, and utility monitoring networks.\u003c\/li\u003e\n  \u003cli\u003eIndustrial machinery control with modular diagnostic demands.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBeckhoff Automation\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePart Number \/ Model\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eBK7300\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eModbus Bus Coupler\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eModbus RTU \/ Modbus ASCII (default: RTU)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eBus Interface\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eD-sub 9-pin (RS485)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eNumber of Bus Terminals\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e64 (up to 255 with K-bus extension)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eMax. Process Image Size\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e512 bytes input \/ 512 bytes output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eDigital Peripheral Signals\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e512 inputs\/outputs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eAnalog Peripheral Signals\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e256 inputs\/outputs\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eConfiguration Interface\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eRotary switch or KS2000 configuration software\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Supply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 V DC (-15% \/ +20%)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e70 mA + (total K-bus current)\/4 (max. 500 mA)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStarting Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e2.5 x continuous current\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRecommended Fuse Protection\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eLess than or equal to 10 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eCurrent Supply K-Bus\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e1750 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Contacts Voltage\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e24 V DC max.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003ePower Contacts Current\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e10 A max.\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eElectrical Isolation\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e500 V (power contacts \/ supply voltage \/ fieldbus)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eApprox. 170 g\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e0 to +55 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e-25 to +85 degC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003e95%, non-condensing\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 60068-2-6\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eShock Resistance\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 60068-2-27\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eEMC Immunity \/ Emission\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eConforms to EN 61000-6-2 \/ EN 61000-6-4\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n      \u003ctd\u003eIP20\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eConnections and Interfaces\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003eD-sub 9-Pin Pinout\u003c\/th\u003e\n      \u003cth\u003eSignal Assignment (RS485)\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePin 1\u003c\/td\u003e\n      \u003ctd\u003eShield (Screen)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePin 3\u003c\/td\u003e\n      \u003ctd\u003eRxD\/TxD-B (Positive Data Line)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePin 5\u003c\/td\u003e\n      \u003ctd\u003eGND (Signal Ground)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePin 6\u003c\/td\u003e\n      \u003ctd\u003eVP (+5 V supply for active termination)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003ePin 8\u003c\/td\u003e\n      \u003ctd\u003eRxD\/TxD-A (Negative Data Line)\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eMount the coupler horizontally on standard 35 mm DIN rails conforming to EN 60715.\u003c\/li\u003e\n  \u003cli\u003eEnsure an adequate ventilation gap above and below the module to allow convection cooling.\u003c\/li\u003e\n  \u003cli\u003eEnsure the system power is completely disconnected before inserting or removing any Bus Terminals or changing wiring.\u003c\/li\u003e\n  \u003cli\u003eConnect the PE (Protective Earth) contact directly to the DIN rail to maintain low-impedance grounding.\u003c\/li\u003e\n  \u003cli\u003eEnsure active RS485 termination resistors are installed at both physical ends of the Modbus segment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompliance and Certifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eCE\u003c\/li\u003e\n  \u003cli\u003eUL (cULus)\u003c\/li\u003e\n  \u003cli\u003eExplosion Protection (Ex)\u003c\/li\u003e\n  \u003cli\u003eGermanischer Lloyd (GL)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BECKHOFF","offers":[{"title":"Default Title","offer_id":53106460623211,"sku":"BK7300","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bk7300-ibn2cgekgs1.png?v=1776243469","url":"https:\/\/www.plcprotech.com\/ms\/products\/beckhoff-bk7300-modbus-bus-coupler","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}