User's Guide

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4. For ToolBox software, click “Fetch” to check if UC50x can read correct data from terminal
devices. You can also click “Fetch” on the top of list to fetch all channel data.
Note: Please do not click “Fetch” frequently since response time to reply is differ for every
terminal device.
For ToolBox App,
a. Tap every Modbus channel, click “Collect” and attach smart phone to device to make device
collect data.
b. Click “Fetch” and attach smart phone to make APP read the data. You can also tap “Collect
All” and “Fetch All” to fetch all channel data.
4.3.2 RS232 Settings
1. Connect RS232 device to RS232 port on interface 2. If you need UC501 to power the RS232