USB To RS485 RS422 Converter
PCM Cable Co., Ltd. is one of the leading usb to rs485 rs422 converter manufacturers and suppliers in China. Welcome to wholesale high quality customized products at discount price from our factory. Contact us for quotation and free sample.
USB to RS485 RS422 Converter is an industrial-grade converter designed to achieve efficient communication between USB and RS-485/RS-422 devices. This converter allows users to connect any RS-485 or RS-422 device directly to the USB port of a computer, easily achieving bidirectional data transmission. With the support of FTDI chips, stable and reliable signal conversion is ensured.
Specifications
| Product name | USB to RS485 RS422 5-Wire Interface Adapter – FTDI chip |
| DWG No. | PCM-FDZ-485 422 |
| Interface type | USB standard type A interface |
| RS-485/RS-422 port | 5-pin screw terminal |
| Main chip | FTDI FT232RL |
| Protection level | Built-in 15KV ESD protection and TVS overvoltage protection |
| RS-485 Signals | T/R+, T/R-, GND |
| RS-422 Signals | TX+, TX-, RX+, RX-, GND |
| Pitch | 3.81mm |
| Wire range | 26-16AWG |
Features
- Efficient two-way communication: USB to RS485/RS422 converter supports two-way conversion between USB signals and half-duplex RS-485 or full-duplex RS-422 signals, ensuring efficient data transmission.
- FTDI chip: Adopts FTDI CHIP to ensure superior performance and compatibility, providing higher signal quality.
- Easy connection: Equipped with 5 screw terminals, users can easily connect a single line to adapt to a variety of connection needs.
- Industrial-grade design: Suitable for various industrial applications, ensuring reliability and stability in harsh environments.
- LED indicator: Built-in RX, TX, and power LED indicators to monitor data transmission status in real time.
- Strong compatibility: USB to RS485/RS422 adapter supports multiple operating systems and is easy to integrate into existing systems.

Applications
- LED display communication: USB to RS485/RS422 converter FTDI chip is used to control and monitor LED display devices.
- Industrial automation: USB to RS485 RS422 serial adapter is used to read and control data in PLC system.
- Access control system: USB to RS485 RS422 converter is used to connect and manage various access control devices.
- Instrumentation: Connect sensors and measuring equipment to realize data collection.
- ATM machines and toll booths: This 2-in-1 USB serial converter is used for real-time data transmission and management.
About Premier Cable
Premier Cable is a professional cable and connector manufacturer committed to providing high-quality connectivity solutions. We focus on the research development and production of various serial cables, including USB to RS485 RS422 converters and other products. With advanced production equipment and technology, our products not only have excellent performance and stability but also meet the diverse needs of customers. Whether it is industrial automation, data communication, or instrumentation, Premier Cable is always your trusted partner.

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