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USB TO RS485 Bidirectional Converter
An industrial-grade USB to RS485 bidirectional communication module
![](/upload/ms2/202411/17322601706993626412.jpg)
![](/upload/ms2/202405/17168813978302426796.jpg)
Product Features
- Supports bidirectional communication between USB and RS485 interfaces
- Equipped with authentic FT232RL and SP485EEN chips, ensuring stable, reliable communication and broad compatibility
- Incorporates multiple protection mechanisms, including lightning protection tubes, TVS diodes, ESD protection, and self-recovery fuses, safeguarding against lightning, electrostatic discharge, overcurrent, and overvoltage, thereby enhancing circuit stability and durability
- Features a 120-ohm termination resistor selection switch to comply with RS485 communication standards
Technical Specifications
Dimensions | 74mm (L) x 23.6mm (W) x 14.5mm (H) | |
Communication Interface Chip | FT232RL | |
Operating Temperature Range | -15℃ to 70℃ | |
Compatible Operating Systems | Mac OS, Linux, Android, WinCE, Windows XP, 7, 8, 8.1, 10, 11 | |
Supported Baud Rate | 300bps to 921600bps | |
Indicators | PWR | Power indicator; red LED illuminates when USB power is active |
TXD | Data transmission indicator; red LED illuminates during data transmission via USB | |
RXD | Data reception indicator; red LED illuminates during data reception via USB |
Interface Specifications
USB Interface | Operating Voltage | 5V |
Interface Type | USB-A type | |
Interface Protection | Self-recovery fuse, ESD protection | |
Transmission Distance | Approximately 5 meters | |
RS485 Interface | Interface Type | Terminal interface |
Interface Pins | GND、A+、B- | |
Interface Protection | Lightning protection tube, 250mA self-recovery fuse, ESD electrostatic protection, 120-ohm terminal resistor | |
Maximum Transmission Distance | Approximately 1200 meters at low speed | |
Communication Mode | Point-to-multipoint, supporting up to 32 nodes |
Resource profile
![](/upload/ms2/202405/17171374493597950035.jpg)
① USB-A Connector
② PWR:Power indicator; TXD: Data transmission indicator; RXD: Data reception indicator
③ 120-ohm terminal resistor selection switch
④ RS485 Terminal (from up to down: GND, A+, B-)
Compatible with various systems
![](/upload/ms2/202411/1732261333894483169.jpg)
Resource Introduction
![](/upload/ms2/202405/17170333989708516664.jpg)
1. 120R resistor
2. SP485EEN
3. TVS diode
4. ESD protection diode
5. 120R selector switch
6. Indicator lights, from left to right: PWR: power indicator light, TXD: data transmission indicator light, RXD: data reception indicator light
7. Resettable fuse
8. Lightning protection GDT
9. FT232RL
10. ESD protection diode
Applications
![](/upload/ms2/202405/17170333000728710896.jpg)
Product dimensions
![](/upload/ms2/202406/17176611358115512314.jpg)
USB Cable
Expertly crafted with precision, the exterior is made from eco-friendly PVC material, ensuring durability and sustainability. Internally, it incorporates thickened, tinned oxygen-free copper cores, aluminum foil, and a double-shielded design reinforced with metal braiding. Enhanced with a magnetic ring, it delivers superior anti-interference performance, guaranteeing stable and reliable data transmission.
![](/upload/ms2/202405/17170347859788347828.jpg)
Wiki
USB to RS485 Bidirectional Converter Industrial Adapter
Package Contents
1 USB TO RS485 x1
2 USB Cable Type A Male to Type A Female 1.5 meters x1
3 Screwdriver x1
![](/upload/ms2/202405/17169500068184957555.jpg)