{"product_id":"waveshare-industrial-isolated-usb-to-4-channel-rs485-converter","title":"Waveshare Industrial Isolated USB to 4-Channel RS485 Converter (B)– CH344L Chip \u0026 Multi-Protection","description":"\u003ch2\u003eWaveshare Industrial Isolated USB to 4-Channel RS485 Converter (B)– CH344L Chip \u0026amp; Multi-Protection\u003c\/h2\u003e\n\u003cp\u003eThe Waveshare Industrial Isolated USB to 4-Channel RS485 Converter (B) is an industrial-grade USB to RS485 converter designed to connect and communicate with multiple RS485 serial devices through a single USB interface. Powered by the CH344L chip, it provides stable communication across 4 isolated RS485 channels with a baud rate range of 1200bps to 460800bps.\u003c\/p\u003e\n\u003cp\u003eThe converter uses a 5V USB-B interface and provides hardware automatic direction control for convenient data transmission. Its isolated design combines power isolation and digital signal isolation to improve reliability and reduce interference, while built-in 600W lightning\/surge protection, 15KV ESD protection, a 500mA resettable fuse, and protection diodes provide added protection against electrical faults.\u003c\/p\u003e\n\u003cp\u003eThe RS485 interface supports point-to-multipoint communication with up to 32 nodes, while the transmission distance can reach approximately 1.2km at low baud rates. A built-in 120Ω termination resistor can be enabled or disabled using the DIP switch.\u003c\/p\u003e\n\u003cp\u003eWith an industrial aluminium alloy enclosure, 10 LED indicators, and wall-mount or rail-mount support, this multi-channel RS485 converter is well suited for industrial automation, equipment monitoring, Modbus communication, and other applications requiring reliable multi-device serial communication.\u003c\/p\u003e\n\u003ch2\u003eFeatures:\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eAdopts the original CH344L chip for faster communication, stability, and compatibility.\u003c\/li\u003e\n\u003cli\u003eSupports USB to 4-ch isolated RS485, making it easier to expand multiple RS485 industrial serial devices\u003c\/li\u003e\n\u003cli\u003eOnboard unibody power supply separation delivers stable isolated voltage and does not require an additional power source for the isolated terminal.\u003c\/li\u003e\n\u003cli\u003eOnboard unibody digital isolation enables signal separation, excellent reliability, robust anti-interference, and low power consumption.\u003c\/li\u003e\n\u003cli\u003eOnboard TVS (Transient Voltage Suppressor) effectively suppresses surge and transient spike voltage in the circuit, lightningproof, and ESD protection.\u003c\/li\u003e\n\u003cli\u003eOnboard self-recovery fuse and protection diodes assure consistent current\/voltage outputs, provide over-current\/over-voltage protection, and increase shockproof performance.\u003c\/li\u003e\n\u003cli\u003eOnboard RS485 output terminal 120R resistors are enabled\/disabled by DIP switch.\u003c\/li\u003e\n\u003cli\u003e10 LEDs to indicate power, device settings, and transceiver condition.\u003c\/li\u003e\n\u003cli\u003eIndustrial grade metal case, allows wall-mount and rail-mount installation, solid and elegant, simple to install.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":54421239300320,"sku":"TIFKT0389","price":2509.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0559\/1970\/6265\/files\/Waveshare_Industrial_Isolated_USB_to_4-Channel_RS485_Converter_CH344L_Chip_Multi-Protection.png?v=1787641466","url":"https:\/\/robocraze.com\/products\/waveshare-industrial-isolated-usb-to-4-channel-rs485-converter","provider":"Robocraze","version":"1.0","type":"link"}