{"product_id":"promisloviy-usb-konverter-do-rs232-rs485-rs422-ttl-ch343g-waveshare-22547","title":"Industrial USB to RS232\/RS485\/RS422\/TTL converter, CH343G, Waveshare 22547 ","description":"\u003cdiv style=\"font-family: Arial, sans-serif; line-height: 1.6; color: #333;\"\u003e\n\n\u003ch1 style=\"color: #2c3e50; border-bottom: 2px solid #3498db; padding-bottom: 10px; margin-top: 15px;\"\u003e Industrial isolated USB to RS232\/485\/TTL interface converter\u003c\/h1\u003e\n\n\u003cp\u003e \u003cem\u003eIndustrial isolated USB converter. Stable data transmission | Compatible with various devices | Support for many OS.\u003c\/em\u003e\u003c\/p\u003e\n\n \u003cp\u003eThis product is an industrial isolated USB to RS232\/485\/TTL converter, equipped with the original CH343G chip. It provides fast communication, stability, reliability and better compatibility. The device comes in an aluminum alloy case, which makes it sturdy and durable. \u003c\/p\u003e\n\n\u003cdiv style=\"max-width: 400px; background-color: #e0e0e0; text-align: center; color: #757575; border: 1px dashed #ccc; padding: 20px; margin: 20px auto; box-sizing: border-box;\"\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0868\/0462\/7772\/files\/USB-TO-RS232-485-TTL-details-1.jpg?v=1747380569\" alt=\"Image of Waveshare USB TO RS232\/485\/TTL converter\" style=\"display: block; max-width: 100%; height: auto; margin: 0 auto;\"\u003e\n\u003cp\u003e Aluminum alloy housing, USB-B port, RS232 DB9 port, screw terminals for RS485\/TTL and LED indicators \u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 30px; border-bottom: 1px solid #ddd; padding-bottom: 5px;\"\u003e Key features \u003c\/h2\u003e\n\n\u003cul style=\"list-style-type: disc; margin-left: 20px; padding-left: 20px;\"\u003e\n\n\u003cli\u003e Uses the original CH343G chip for fast, stable and reliable communication with improved compatibility.\u003c\/li\u003e\n\n \u003cli\u003eBuilt-in galvanic power isolation provides stable isolated voltage and does not require an additional power source for the isolated side.\u003c\/li\u003e\n\n\u003cli\u003e Built-in digital (ADI magnetic) isolation for signals ensures high reliability, strong noise immunity, and low power consumption.\u003c\/li\u003e\n\n\u003cli\u003e The built-in TVS (transient voltage suppressor) effectively suppresses surges and transient peak voltages in the circuit, providing protection against lightning and electrostatic discharge.\u003c\/li\u003e\n\n \u003cli\u003eThe built-in self-recovering fuse and protection diodes provide stable output currents\/voltages, over-current\/voltage protection, and improve shock resistance.\u003c\/li\u003e\n\n\u003cli\u003e The fully automatic, zero-delay transceiver circuit ensures fast and stable data exchange between the USB port and various interfaces without mutual interference.\u003c\/li\u003e\n\n\u003cli\u003e The built-in 3.3V\/5V TTL level converter allows you to adjust the TTL level using a switch.\u003c\/li\u003e\n\n \u003cli\u003eThe aluminum alloy body with sandblasting and anodic oxidation is CNC machined, making it strong and durable.\u003c\/li\u003e\n\n\u003cli\u003e 3 LEDs to indicate power and transceiver status (PWR, TXD, RXD).\u003c\/li\u003e\n\n\u003cli\u003e High-quality USB-B and RS232 (DB9 male) connectors for easy connection and disconnection.\u003c\/li\u003e\n\n\u003cli\u003e Support for various operating systems: Mac, Linux, Android, Windows 11 \/ 10 \/ 8.1 \/ 8 \/ 7. \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cdiv style=\"background-color: #e7f3fe; border-left: 4px solid #2196F3; padding: 10px; margin-top: 10px; margin-bottom: 10px;\"\u003e\n\n\u003cp style=\"margin-top: 0; margin-bottom: 5px;\"\u003e \u003cstrong\u003eImportant note:\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003cul style=\"list-style-type: disc; margin-left: 20px; padding-left: 20px; margin-bottom: 0;\"\u003e\n\n\u003cli\u003e Only one of the interfaces (RS232, RS485 or TTL) can be converted to USB at a time.\u003c\/li\u003e\n\n\u003cli\u003e RS232, RS485 and TTL interfaces cannot be converted into each other using this device.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/div\u003e\n\n \u003ch2 style=\"color: #2c3e50; margin-top: 30px; border-bottom: 1px solid #ddd; padding-bottom: 5px;\"\u003e Technical specifications \u003c\/h2\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px; border: 1px solid #ddd;\"\u003e\n\n\u003cthead\u003e\n\n\u003ctr\u003e\n\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #ecf0f1;\"\u003e Parameter \u003c\/th\u003e\n\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #ecf0f1;\"\u003e Interface \u003c\/th\u003e\n\n\u003cth style=\"border: 1px solid #ddd; padding: 8px; text-align: left; background-color: #ecf0f1;\"\u003e Details \u003c\/th\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/thead\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eProduct type\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd colspan=\"2\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Industrial Digital Isolated Converter \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd rowspan=\"3\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eUSB\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Operating voltage\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e 5V (via USB-B connector) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Connector\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e USB-B \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Protection\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e 200mA self-resetting fuse, isolated output \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd rowspan=\"4\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eRS232\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Connector\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e DB9 male (plug) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Protection\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e TVS diode, surge and electrostatic discharge protection \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Transmission mode\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Point-to-point \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Transmission speed\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e CH343G: Up to 600,000 bps (partial range) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd rowspan=\"6\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eRS485\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Connector\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Screw terminals \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Contacts\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e A+, B-, GND \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Direction control\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Hardware automatic detection and control of data transmission direction \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Protection\u003c\/td\u003e\n\n \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e600W lightning protection and surge suppression, 15kV electrostatic discharge protection (contact pads for 120 Ohm matching resistor provided) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Transmission mode\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Point-to-multipoint (up to 32 nodes; repeaters are recommended for 16 or more nodes) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Transmission speed\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e CH343G: Up to 2 Mbps (partial range) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd rowspan=\"5\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eTTL (UART)\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Operating voltage\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e 3.3V \/ 5V (adjustable by switch) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Connector\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Screw terminals \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Contacts\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e TXD, RXD, GND, 5V\/3.3V (VCC output, can power an external device up to 50mA) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Protection\u003c\/td\u003e\n\n \u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eProtective diode-limiter, overvoltage\/negative voltage protection, shock resistance \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Transmission mode\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Point-to-point \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Transmission speed\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e CH343G: Up to 2 Mbps (partial range) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd rowspan=\"3\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eIndicators\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e PWR (Power)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Red power indicator: Lights up when USB is connected and voltage is detected. \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e TXD (Transmission)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Green transmit (TX) light: Lights up when the USB port is transmitting data. \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e RXD (Receive)\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Blue Receive (RX) LED: Lights up when the device ports are transmitting data back. \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd rowspan=\"2\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eOperating conditions\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Temperature\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e -15℃ ~ 70℃ \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Humidity\u003c\/td\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e 5%RH ~ 95%RH (relative humidity) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eOS support\u003c\/strong\u003e\n\u003c\/td\u003e\n\n \u003ctd colspan=\"2\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003eMac, Linux, Android, Windows 11 \/ 10 \/ 8.1 \/ 8 \/ 7 \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e \u003cstrong\u003eDimensions\u003c\/strong\u003e\n\u003c\/td\u003e\n\n\u003ctd colspan=\"2\" style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"\u003e Approximately 86.5mm x 71.6mm x 27.4mm (values ​​may vary slightly depending on specific documentation) \u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 30px; border-bottom: 1px solid #ddd; padding-bottom: 5px;\"\u003e Interface description and pinout \u003c\/h2\u003e\n\n\u003cdiv style=\"max-width: 400px; background-color: #e0e0e0; text-align: center; color: #757575; border: 1px dashed #ccc; padding: 20px; margin: 20px auto; box-sizing: border-box;\"\u003e\n\u003cimg style=\"display: block; max-width: 100%; height: auto; margin: 0 auto;\" alt=\"Interface connector diagram and pinout. Part 1\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0868\/0462\/7772\/files\/USB-TO-RS232-485-TTL-details-13.jpg?v=1747380876\"\u003e\u003cimg style=\"display: block; max-width: 100%; height: auto; margin: 0 auto;\" alt=\"Interface connector diagram and pinout. Part 2\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0868\/0462\/7772\/files\/USB-TO-RS232-485-TTL-details-14.jpg?v=1747380876\"\u003e\n\u003cp\u003e USB-B, DB9 Male for RS232, and screw terminals for RS485: A+, B-, GND; TTL: TXD, RXD, GND, VCC \u003c\/p\u003e\n\n\n\u003c\/div\u003e\n\n\u003cul style=\"list-style-type: disc; margin-left: 20px; padding-left: 20px;\"\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eUSB-B port:\u003c\/strong\u003e for connection to a PC or host device.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRS232 port (DB9 Male):\u003c\/strong\u003e standard serial communication.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eRS485 terminals:\u003c\/strong\u003e A+, B-, GND for differential data transmission.\u003c\/li\u003e\n\n\u003cli\u003e\n\n \u003cstrong\u003eTTL terminals:\u003c\/strong\u003e TXD (transmit), RXD (receive), GND (ground), VCC (power output, 3.3V\/5V selection).\u003c\/li\u003e\n\n\u003cli\u003e \n\u003cstrong\u003eSwitches:\u003c\/strong\u003e for selecting the TTL voltage level (3.3V\/5V) and possibly for selecting the interface mode (check the documentation for the specific model). \u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 30px; border-bottom: 1px solid #ddd; padding-bottom: 5px;\"\u003e Equipment \u003c\/h2\u003e\n\n\u003cul style=\"list-style-type: disc; margin-left: 20px; padding-left: 20px;\"\u003e\n\n\u003cli\u003e USB TO RS232\/485\/TTL main unit x1\u003c\/li\u003e\n\n\u003cli\u003e Type A to Type B USB cable x1\u003c\/li\u003e\n\n\u003cli\u003e Removable screw terminals (3-pin for RS485\/some TTL) x1 (Typical)\u003c\/li\u003e\n\n\u003cli\u003e Removable screw terminals (4-pin for TTL) x1 (Typical)\u003c\/li\u003e\n\n\u003cli\u003e User Guide (or links to online resources)\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003cem\u003eNote: Package contents may vary slightly depending on the retailer or specific version.\u003c\/em\u003e \u003c\/p\u003e\n\n\u003ch2 style=\"color: #2c3e50; margin-top: 30px; border-bottom: 1px solid #ddd; padding-bottom: 5px;\"\u003e Resource\u003c\/h2\u003e\n\n \u003cp\u003eFor detailed user guides, drivers and more information, please refer to the official Waveshare Wiki page:\u003c\/p\u003e\n\n\u003cp\u003e \u003ca href=\"https:\/\/www.waveshare.com\/wiki\/USB_TO_RS232\/485\/TTL\" style=\"color: #3498db; text-decoration: none;\" target=\"_blank\"\u003ehttps:\/\/www.waveshare.com\/wiki\/USB_TO_RS232\/485\/TTL\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e Drivers for CH343G chips can usually be downloaded from the Waveshare website or the chip manufacturer's website (FTDI\/WCH).\u003c\/p\u003e\n\n\n\u003c\/div\u003e","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":52233285534012,"sku":"5518^ЩУ","price":1892.0,"currency_code":"UAH","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0868\/0462\/7772\/files\/usb-to-rs232-485-ttl-2_2.jpg?v=1747381185","url":"https:\/\/informatica.com.ua\/en\/products\/promisloviy-usb-konverter-do-rs232-rs485-rs422-ttl-ch343g-waveshare-22547","provider":"Informatica","version":"1.0","type":"link"}