This page displays data to and from registers in devices accessed via the Modbus RTU serial port.
Showing to 4 of 4
Dir.
Reg. Type
Remote
Reg. #
Register Name
Local
Object
Hex
Update
Register Data
From
Holding Reg
00001
Analog Input 30
AI 30
From
Holding Reg
00002
Analog Input 31
AI 31
To
Holding Reg
00003
Analog Output 10
AO 10
To
Holding Reg
00004
Analog Output 11
AO 11
RTU Unit #
Quick Help

The values of Modbus registers that have been read from or written to remote RTU serial devices is displayed here. One remote unit at a time is displayed. To display a different unit, change the RTU Unit # by entering a unit number or clicking the +Unit or -Unit buttons.

Click Update to view the most recent data values. Check the update box then click the Update button to change values. Just clicking the Update button refreshes the display. To make changes, you must also check the update box.

Data may be displayed in hexadecimal format by checking the Hex box.