{"product_id":"advantech-adam-4520-rs-232-to-rs-422-and-rs-485-isolated-serial-converter","title":"Advantech ADAM-4520 RS-232 to RS-422 and RS-485 Isolated Serial Converter","description":"\u003cdiv\u003e\u003cp\u003eAdvantech ADAM-4520 is an isolated RS-232 to RS-422\/RS-485 converter that galvanically isolates the RS-232 host interface from the RS-422\/RS-485 network by up to 3000 VDC. On the RS-232 side it provides TXD, RXD, RTS, and GND; the RS-422\/RS-485 side uses differential signaling with lines for transmission and reception, with RTS used for RS-485 direction control. Data format and baud rate are set via built-in DIP switches (SW1 for data format, SW2 for baud rate), and the device uses a 4.9152 MHz oscillator for timing. The unit employs opto-coupled isolation between sides and is CE-marked. Typical applications include linking legacy RS-232 instruments to RS-422\/RS-485 field buses in industrial automation, data acquisition, and process control environments where isolation and long-distance serial communication are required. \u003c\/p\u003e\u003c\/div\u003e","brand":"Advantech","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51657040462126,"sku":null,"price":102.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_61cc8c51-f37b-4e55-b095-9b3174c73dcb.jpg?v=1769465463","url":"https:\/\/plgautomation.com\/products\/advantech-adam-4520-rs-232-to-rs-422-and-rs-485-isolated-serial-converter","provider":"PLG Automation ","version":"1.0","type":"link"}