What are the data types that are supported in Power monitoring Expert's Ecostruxure Web Services (EWS)?

Issue:

When attempting to read unsupported data types through EcoStruxure Web Services (EWS) in Power Monitoring Expert (PME), the following error may occur:

Couldn't convert value to double: double

Product Line:

Power Monitoring Expert 7.2

Power Monitoring Expert 8.x

Power Monitoring Expert 9.x

Power Monitoring Expert 2020

Power Monitoring Expert 2021

Power Monitoring Expert 2022

Power Monitoring Expert 2023

Power Monitoring Expert 2024

EcoStruxure Web Services (EWS)

Environment:

EWS client applications

Cause:

EWS in PME supports only specific data types for measurement values. Attempting to read unsupported types (such as strings) results in conversion errors.

Resolution:

The following data types are supported in PME’s EWS interface:

• Double
• Boolean
• DateTime

Note:

• String data type is not supported in EWS for measurement values.

Recommendation:

If you are using an older version of PME, consider upgrading to the latest version for improved protocol support and security. For assistance with integration or upgrades, contact Schneider Electric Technical Support at: pmo-psup@se.com

Publisert for: Schneider Electric Norway