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Waveforms popup blank in the PowerSCADA Expert remote web client

Published date: 20 December 2018

When viewing the runtime in PowerSCADA Expert (PSE)/Power SCADA Operation (PSO) from a remote web client and selecting the waveform, a popup window will come up but it will come up blank white without the waveform.

Product Line
PowerSCADA Expert 7.x
PowerSCADA Operation 8.x
Power SCADA Operation 9.x

Runtime web client

For waveform files to be accessible by the remote clients, the database root folder must be available as a network shared folder. The UNC name of this folder must be specified in the Citect.ini file 


To enable the waveform viewing in the web client, the location where waveforms are located must be shared. They are typically stored at the location: C:\ProgramData\Schneider Electric\PowerLogic SCADA X.XX

To enable the shared folder:
1. Right-click on the folder that you wish the share and select “Properties”.
2. Select the tab “Sharing” and click on “Advanced Sharing...”
3. Tick the box “Share this folder” and enter a a share name for it.
4. Click on permissions, mark the group entry for the user that is using PSE and configure the network permissions for "Read" permissions.

Once the waveform folder has been shared and a Network Path has been created, configure the citect.ini waveform section as below:
UNCPath = \\computerName\shareToTheLocalRootAbove

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