{"product_id":"beckhoff-bk3120-profibus-economy-plus-bus-coupler-dp-v1-12-mbaud-128-in-128-out-24v-dc-51-100-69-mm","title":"Beckhoff BK3120 PROFIBUS Economy Plus Bus Coupler, DP V1, 12 Mbaud, 128 In\/128 Out, 24V DC, 51×100×69 mm","description":"\u003cdiv\u003e\n  \u003ch2\u003eOverview\u003c\/h2\u003e\n  \u003cp\u003eThe Beckhoff BK3120 PROFIBUS Economy Plus Bus Coupler connects EtherCAT\/Bus Terminals to PROFIBUS DP networks and supports DP‑V1 services for parameterization and diagnostics of complex terminals. It automatically detects PROFIBUS baud rates up to 12 Mbaud and can handle up to 128 bytes of input and 128 bytes of output process data. With K‑bus extension technology, up to 255 spatially distributed Bus Terminals can be connected to a single coupler.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePROFIBUS DP‑V1 with direct register access for parameterization\/limit setting\u003c\/li\u003e\n    \u003cli\u003eAutomatic baud rate detection up to 12 Mbaud\u003c\/li\u003e\n    \u003cli\u003eProcess image up to 128 bytes input and 128 bytes output\u003c\/li\u003e\n    \u003cli\u003eK‑bus extension for up to 255 terminals (64 local)\u003c\/li\u003e\n    \u003cli\u003e24 V DC supply; K‑bus current 1,750 mA\u003c\/li\u003e\n    \u003cli\u003e500 V electrical isolation (power contacts\/supply\/fieldbus)\u003c\/li\u003e\n    \u003cli\u003eCompact DIN‑rail housing, 51 × 100 × 69 mm\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eApplications\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eIntegrating Beckhoff Bus Terminals into PROFIBUS DP control systems\u003c\/li\u003e\n    \u003cli\u003eMachine and process automation requiring large process images and DP‑V1 diagnostics\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eSpecifications\u003c\/h3\u003e\n  \u003ctable style=\"width:100%; border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-top: 10px;\"\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eBrand\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003eBeckhoff\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eModel\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003eBK3120 (PROFIBUS Economy Plus Bus Coupler)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eFieldbus Interface\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003ePROFIBUS DP, DP‑V1; 1 × D‑sub 9‑pin socket (shielded)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eData Rates\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003eAutomatic detection up to 12 Mbaud\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eProcess Image\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003e128 bytes input and 128 bytes output\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eBus Terminals Supported\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003e64 (local); up to 255 with K‑bus extension\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003ePower Supply\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003e24 V DC (−15%\/+20%); input current 70 mA + (Σ K‑bus\/4), max 500 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eK‑bus Current Supply\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003e1,750 mA\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003ePower Contacts\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003eMax. 24 V DC \/ 10 A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eElectrical Isolation\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003e500 V (power contact \/ supply \/ fieldbus)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eDimensions (W × H × D)\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003e51 × 100 × 69 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr style=\"border-bottom: 1px solid #e0e0e0;\"\u003e\n      \u003ctd style=\"padding: 6px 10px; background-color: #f9f9f9; font-weight: bold; width: 35%; color: #333;\"\u003eApprovals\u003c\/td\u003e\n      \u003ctd style=\"padding: 6px 10px; color: #555;\"\u003eCE, CCC, UL, ATEX, IECEx, DNV, cFMus\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n","brand":"Beckhoff","offers":[{"title":"Default Title","offer_id":51787169071383,"sku":null,"price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/9210\/1655\/files\/beckhoff-ethernet-module-beckhoff-bk3120-profibus-economy-plus-bus-coupler-dp-v1-12-mbaud-128-in-128-out-24v-dc-51x100x69-mm-1215894862.png?v=1767931057","url":"https:\/\/www.apexonsupply.com\/products\/beckhoff-bk3120-profibus-economy-plus-bus-coupler-dp-v1-12-mbaud-128-in-128-out-24v-dc-51-100-69-mm","provider":"Apexon Solutions LLC","version":"1.0","type":"link"}