Article - CS379310

OPC UA Client showing 'zero' value of tags with 'uncertain' quality in PTC Kepware Products

Modified: 04-Nov-2022   


Applies To

  • ThingWorx Kepware Server (legacy) 8.0 N/A to 6.9.572.0
  • Kepware Server (formerly KEPServerEX) 6.0.2206.0 N/A to 6.9.636.0

Description

  • OPC UA Client showing 'zero' value of tags with 'uncertain' quality
  • When we select a tag from another kepserver by using the OPC UA on a Kepserver, the tag value is always showing as "0".
    • The tag on another kepserver is using OPC DA and the data quality is always showing "Uncertain"
  • Unable to write to tags with an initial quality of uncertain
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