User's Guide

15
Interface 1/2 3V3
Output
Enable 3.3V power output. After enabled, the power output will supply
power continuously.
Change Password
Change the password for ToolBox APP or software to read/write this
device.
Step 2: Go to corresponding pages to change GPIO, analog input or serial port settings as
following chapters.
4.3.1 RS485 Settings
Step 1: Connect RS485 device to RS485 port on interface 1. If you need UC50x to power this
device, please connect the power cable to 5V/9V/12V power output on interface 1.
Step 2: Go to “General -> Serial” of ToolBox software or “Setting->Serial Setting” to enable
RS485 and configure serial port settings. Serial port settings should the same as RS485 terminal
devices.
Parameters
Description
Interface 1/(Pin 1)
5V/9V/12V
Enable 5V/9V/12V power output of interface 1 to supply power to RS485
terminal devices. It’s 12V by default and you can change DIP switches to
change voltage.
Power Output Time
Before Collect
UC50x will power the RS485 terminal devices for a period of time before
collecting data for terminal device initialization.
Baud Rate
300/1200/2400/4800/9600/19200/38400/57600/115200 are available.
Data Bit
8 bit is available.