{"product_id":"beckhoff-automation-gmbh-bk2020-lightbus-coupler","title":"Beckhoff Automation GmbH BK2020 LightBus Coupler","description":"\u003cdiv\u003e\u003cp\u003eThe Beckhoff BK2020 LightBus Coupler (Economy Plus) supports up to 1020 digital signals and 128 analog I\/O channels per slave in full expansion, making it a robust gateway between Beckhoff Lightbus and the Beckhoff System Bus Terminals. As a BK20x0 family member, it provides 500 V isolation on the power contacts, enabling safe operation in mixed-voltage automation environments. Between stations, fiber distances vary by cable type: up to 45 m with APF fiber and up to 300 m with HCS fiber, supporting flexible topologies in installations with varying lengths. The unit weighs approximately 150 g and is rated for 0 to +55 °C operation (with storage from -25 to +85 °C). Designed for use where a reliable Lightbus link to a central controller is required, it integrates with Beckhoff Bus Terminals to extend I\/O across distributed nodes in automation projects.\u003c\/p\u003e\u003c\/div\u003e","brand":"Beckhoff","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51676816245038,"sku":null,"price":576.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_cf1148a1-e0c8-43fa-a848-7e2050a0ff60.jpg?v=1769553818","url":"https:\/\/plgautomation.com\/products\/beckhoff-automation-gmbh-bk2020-lightbus-coupler","provider":"PLG Automation ","version":"1.0","type":"link"}