Article - CS277162

Allen-Bradley ControlLogix device level configuration options that impact performance of tag updates in PTC Kepware Products

Modified: 12-Sep-2025   


Applies To

  • ThingWorx Kepware Server (legacy) 8.0 to 6.17
  • Kepware Server (formerly KEPServerEX) 5.20.396.0 to 6.17
  • Driver: Allen-Bradley ControlLogix Ethernet

Description

  • What are the Allen-Bradley ControlLogix device level configuration options that impact performance of tag updates?
  • How to enhance the update performance for Allen-Bradley ControlLogix tags
  • When having a high number of tags requested by the client the update is very slow 
  • Slow updates after editing controller project
  • Slow initial updates when connecting a client to Allen-Bradley Controllogix Devices
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