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Values not being displayed in Vista or Diagrams for BCPM in StruxureWare Power Monitoring (SPM) - "Unexpected ION exception code 'NotSupported' - Illegal Data Address"

Goals and Symptoms

When viewing data from a BCPM in StruxureWare Power Monitoring's Vista or Web Application's Diagrams the values are not displayed and the boxes are highlighted dark green/olive/brown color. When hovering your mouse cursor over the box, the follow message is displayed:

System error. The source returned an unexpected result. "Unexpected ION Exception code 'NotSupported' - Illegal data address."

Facts and Changes


SPM, PME, StruxureWare Power Monitoring, Power Monitoring Expert

Causes and Fixes


With firmware version 1.012 of the BCPM, the register mapping had some slight changes. Vista screens in StruxureWare 7 were updated to reflect these changes. Individuals who are running a earlier firmware version and StruxureWare 7.0 and later may see this issue.


Upgrading the BCPM firmware to 1.012 or later will correct this issue. The latest firmware is available from and DLF3000 is used to upgrade the firmware of the meter.

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