Litmus Edge 4.0.15

3 min

Release Date: July 31, 2026

Review the current list of Limitations.

Note: For information on updates to APIs, see the Litmus Edge and Litmus Edge Manager change logs.

Enhancements

Description
Device Hub: The Yokogawa DX Ethernet driver now always requires a password value (default of 0). The non-functional Settings Mode option has also been removed from the driver.
Digital Twins: Added hierarchyPath and hierarchyMetadata static attributes to the Digital Twins model. This lets Litmus Edge Manager keep an instance's asset-hierarchy location in sync with Litmus Edge. Removed the 2,000-item limit on the number of dynamic attributes that can be created on a single model. This allows for models that require a higher limit. Added $EDGE_DT_MODEL_ID and $EDGE_DT_INSTANCE_ID as available system variables for use in Digital Twins model and instance configuration. This supports tracking and analysis of Digital Twins data in external systems.

Resolved Issues

Description
DeviceHub: Fixed an issue where the Emerson DNP3 Ethernet with FB Extensions driver did not poll for history. The Polling Interval field was missing from the Add and Edit pages for History Alarm Event record tags in versions 4.0.4 to 4.0.14. Fixed issue where the IEC102, Mitsubishi FX, Siemens TI505, and Fanuc drivers accepted certain multi-character address suffixes that produced incorrect register addressing. These suffixes are no longer supported. Fixed issue where the Beckhoff TwinCAT3 Ethernet Absolute (Gen1.3) and Beckhoff TwinCAT3 Ethernet Symbolic (Gen1.3) drivers returned a timestamp of 0 for failed tag reads. Tags now publish the current timestamp in this case.

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