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Sigma - Working on Multi-Stage control objects can cause the controller to lock up.

Issue

Editing Multi-Stage control objects.

Environment

Sigma

Control

Multi-Stage

Multi

Stage

Cause

Multi-Stage control objects cause the controller to lock up when edited.

Resolution

The exact cause of this issue has not been located, but here are two suggestions.

  • Download the complete object file periodically when editing these objects.
  • If contingency logging is enabled on the multi-stage control object, it should be disabled before working on that object.
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Version history
Revision #:
1 of 1
Last update:
2 weeks ago
Updated by: