Description
Features
1) Extending USB to 4CH RS485, allows concurrent and independent communication for each channel
2) Onboard TVS (Transient Voltage Suppressor), effectively suppress surge voltage and transient spike voltage in the circuit, lightningproof & anti-electrostatic
3) Onboard resettable fuse and protection diodes, ensures the current/voltage stable outputs, provides over-current/over-voltage proof, improves shock proof performance
4) Onboard RS485 output terminal 120R resistors, enabled/disabled via DIP switch
5) Aluminium alloy case with oxidation dull-polish surface, CNC process opening, solid and durable, well-crafted
6)Transmission distance up to 1.2 km:
The USB signal can be converted into 4 balanced differential RS485 signals and the transmission rate is stable. The reliable speed is 1200~460800bps, the transmission distance is about 1.2 km for RS485, and about 5 meters for USB.
Online Tutorial/Online Document is provided: n9. cl/f5bqw0
Specifications
Host port--USB
Device port --RS485
Baudrate--1200bps ~ 460800bps
1. USB
Operating voltage--5V
Connector--USB-B
Protection--500mA resettable fuse, ESD protection
Transmission distance--About 5m
2. RS485
Connector--Screw terminal
Protection--600W lightningproof and surge-suppress, 15KV ESD protection
Transmission distance --Maximum communication distance is about 1200m (at a low rate, with 120R resistor turned on)
Transmission mode--Point-to-multipoints (up to 32 nodes, it is recommended to use repeaters for 16 nodes or more)
Operating environment: -40 ~ 85 Temperature, 5%RH ~ 95%RH Humidity
Operating system --Win7/8/ 8.1 /10/11, Linux, Android
Package Content
USB TO 4CH RS485 x1
USB type A to type B cable ~ 1.2 m x1