Reading Device Registers

You can read Modbus registers from local and remote devices using Read Device Registers.

Click Diagnostics > Read Device Registers
Select a device from the Device Name drop-down list, or choose Select by Device ID for devices that aren't in the device list.
If you chose Select by Device ID, enter the Local ID.

If you selected a device name in the previous step, this field is populated automatically and cannot be changed.

NOTE: The Slave ID is the identifier on the serial port to which it is connected. The Local ID is the identifier used by the Com’X.
Enter a starting register and the number of registers to read.
Select a data type.
If you selected Holding or Input registers, choose a format for the returned data.
Click Read.