r
USB TO RS485 Bidirectional Converter
An industrial-grade USB to RS485 bidirectional communication module
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
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
Resource Introduction
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
Product dimensions
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.
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
