Use DDEStatus and IOStatus in Excel

The status of communications between the PLC and InTouch can be read into Excel by entering the following DDE reference formula in a cell on a spreadsheet:

=view|DDEStatus!ABPLC

or

=view|IOStatus!ABPLC

where:

viewis the name of the InTouch application.

[DDE][IO] Status is the built-in topic name used to monitor the status of communications between the Communication Driver and InTouch.

ABPLC is the exact topic name defined in the Communication Driver for the PLC.