Issue
How do I observe live variable data while logged in on my SoMachine / EcoStruxure Machine Expert PLC?

Product Line
Modicon M238, M258, M241, M251, M262, LMC058, HMISCU
SoMachine / EcoStruxure Machine Expert

Environment
PLC programming software in Windows

Resolution
In order to observe Live Variable Data in SoMachine or EcoStruxure Machine Expert software there are two methods.

[Method 1 - Looking directly at the POU logic during an Application Login]

1. In the Logic Configuration screen, go to the "Online" dropdown menu. Then click on "Login".
2. Double-click on any POU.
3. All variable values will appear on the POU's programming screen.

[Method 2 - Using a Watch List during an Application Login]

1. In the Logic Configuration screen, go to the "Online" dropdown menu. Then click on "Login".
2. Go to the "View" dropdown menu, and select "Watch->" and then choose from "Watch 1" to "Watch 4"
   1. The Watch list should appear on the screen.
3. In the Watch list, click on a cell under the "Expression Column", here you may type in a Variable you wish to observe, or click on the button to bring up the Input Assistant (which will allow you to choose from a list of objects from the Application.

Once you've added the Variable(s) you wish to see, the table will be updated in real-time with the values of the Variables on the Watch List table.

After the project is saved, the next time that it is opened, the Watch List variables will be saved for each of the 4 available Watch List sets.

Released for: Schneider Electric Vietnam