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RS485 adapter - CH340 USB converter dongle Modbus Profibus PLC
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Description
USB to RS485 Adapter - CH340
CH340 USB - RS485 adapter is a professional tool that enables reliable communication between devices using the RS485 standard (Modbus, Profibus, PLC) and a computer or single-board computer such as Raspberry Pi. The module is fully compatible with the USB 2.0 interface and backward compatible with USB 1.1. The device is based on the popular and proven CH340 chip, ensuring stable operation without the need for additional power.
Thanks to Plug & Play technology, the converter is ready to use immediately. It supports data transfer speeds up to 6 Mbps and allows transmission over distances of up to 1200 m. Its compact dimensions make it ideal for any environment, from home projects to industrial applications in extreme temperatures.
Key technical specifications
- Connector: USB 2.0 (compatible with USB 1.1)
- Driver: CH340
- Maximum transmission speed: up to 6 Mbps
- Maximum RS485 cable range: 1200 m
- Power: directly from the USB port (no additional power supply required)
- Operating temperature: from -40 °C to +85 °C
- Dimensions: 6 x 1.8 x 1.35 mm
- Technology: Plug & Play
- Supported operating systems: Windows 10, 8, 7, Vista, XP, Linux, MacOS
Example applications
- Communication with industrial PLC controllers and variable frequency drives
- Reading data from energy meters and sensors using the Modbus RTU standard
- Integration with building and industrial automation systems
- Building measurement networks with microcontrollers (as a PC interface for reading data from device networks for Arduino, for ESP32, for ESP8266)
- Diagnostics and programming of industrial equipment equipped with an RS485 port
Benefits
- Reliability: stable operation thanks to the proven CH340 chip
- Time savings: Plug & Play installation without complicated hardware configuration
- Versatility: broad compatibility with many operating systems
- Long range: communication over distances up to 1200 m enables use in large installations
- Durability: resistance to extreme temperatures from -40 °C to +85 °C allows operation in harsh conditions
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