USB TO RS485 Bidirectional Converter
An industrial-grade USB to RS485 bidirectional communication module
Product Features
- USB TO RS485 bidirectional communication
- Original FT232RL and SP485EEN chips for stable and reliable communication, high compatibility
- Multiple protection circuits (lightning protection tube, TVS, ESD, self-recovery fuse, etc.) for lightning and electrostatic discharge protection, overcurrent and overvoltage protection, maintaining circuit stability and enhancing shock resistance
- 120-ohm terminal resistor selection switch to meet RS485 communication requirements
Product Specifications
| Dimensions | 74mm (Length) x 23.6mm (Width) x 14.5mm(Height) | |
| Communication Conversion Chip | FT232RL | |
| Temperature Range | -15℃ ~ 70℃ | |
| Operating Systems | Mac, Linux, Android, WinCE, Windows 11 / 10 / 8.1 / 8 / 7 / XP | |
| Baud Rate | 300bps ~ 921600bps | |
| Indicators | RXD | Data reception indicator, red light illuminates when receiving data via USB |
| TXD | Data transmission indicator, red light illuminates when sending data via USB | |
| PWR | Power indicator, red light illuminates when USB power is normal | |
Interface Specifications
| USB Interface | Operating Voltage | 5V |
| Interface Type | USB-A type | |
| Interface Protection | self-recovery fuse, ESD electrostatic 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 | |
| Transmission Distance | Approximately 1200 meters (low speed) | |
| Communication Mode | Point-to-multipoint (supports 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
Manufactured with high-quality craftsmanship, the exterior uses eco-friendly PVC material. Inside, it features thickened, tinned, oxygen-free copper cores, aluminum foil, and a double-shielded structure with metal braid. Equipped with a magnetic ring, it boasts strong anti-interference capabilities, ensuring more stable 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
