Lower price USB to RS485 adapter with VCC, DATA-, DATA+, GND, FG USB signal, T/R+, T/R-, GND RS-485 signal, twisted-pair or shielded cable transmission media.
Specification
| Model |
CCHN-UT-890A |
| USB signal |
VCC, DATA-, DATA+, GND, FG |
| RS-485 signal |
T/R+, T/R-, GND |
| RS-422 signal |
T/R+, T/R-, RXD+, RXD-, GND |
| Length |
0.5m/ 1.5m/ 3m |
| Working mode |
Asynchronous, point to point or point to multi-point, 2 wires half-duplex or 4 wires full-duplex |
| Direction control |
Adopts traffic direction auto-control technology |
| Baud rate |
300-921.6Kbps auto-detect serial signal |
| Load capacity |
Supports point to multi-point communication, allows to connect 32 sets RS-422 or RS-485 device |
| Transmission distance |
1200m(9600bps) for RS-485/422, no more than 5m for USB |
| Port protection |
Surge, ±15KV ESD protection |
| Connector |
USB-A male, DB9 male |
| Signal indication |
LEDs for indicating PWR TXD, and RXD activity |
| Transmission media |
Twisted-pair or shielded cable |
| Operating temperature |
-40℃ to 85℃ |
| Transmission distance |
0-1200m |
| Relative humidity |
5% to 95% |
| Supports |
Win2000/2003/2008/2012/XP/Vista/7/8/8.1/10/CE/Mac/Linux |
| Outer size (L*W*H) |
1555mm*36mm*16mm |
| Weight |
1kg |
| Certificate |
RoHS, CE, FC |
| Warranty |
12 months |
Dimension (mm)

Tips: The Feature of USB to RS485 Converter.
1. SMT process, small volume embedded module.
2. Provide 16-bit or 8-bit data bus.
3. High-speed USB2.0 interface read and write speed is greater than 35MB/sec.
4. Provide drivers for all Windows versions.
5. Provide various high-level language programming source codes.
6. Provide a large number of single-chip control example source code.
7. Provide FPGA control VHDL programming code.