Issue:

On my HMI Display running EcoStruxure Operator Terminal Expert, the String display is showing blank values or incorrect characters when reading from STRING type variables using the Schneider-MachineExpertNetwork driver reading from a Modicon M241, M251 or M262 PLC.

Product Line:

EcoStruxure Operator Terminal Expert

EcoStruxure Machine Expert

Environment:

HMI Configuration Software in Windows

Resolution:

For the HMI to read the STRING and WSTRING type variables via MachineExpertNetwork protocol,

1. In EcoStruxure Operator Terminal Expert software, open your HMI project
2. Navigate to the Project Explorer
3. Expand Target01 > Drivers
4. Select "Schneider Electric-MachineExpertNetwork*" node
5. In the System Architecture page, click on the row of the Equipment (default name "MachineExpertEquipment1")
6. On the far right side of the screen under the Properties box, find "String Encode" near the bottom of the list.
7. In the String Encode dropdown, select "CodePage1252"
8. Download the changes to your HMI (or Simulate)

ALSO NOTE: The best font to use for String Displays showing String Variables from M2xx PLCs is <LanguageName>_Gothic

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Released for:Schneider Electric Canada