You can use this window to write test data to the Series 90 programmable controller. Controller
Select the domain to write to. Note that if you select a domain that is read-only, Write to PLC is disabled (grayed out).
Enter the memory location offset that you want to write to in the Offset field.
Enter the value you want to write in the field.
Click Write to PLC.
The value is written to the offset location, and the data display box updates to reflect your write request.