Allen-Bradley · Logix 5000 Advanced Process Control and Drives
The PATT instruction failed to take ownership because an external sequencer (e.g., FactoryTalk Batch software) or another program within the same controller already holds ownership of the equipment phase.
Click steps to track your progress.
Identify the specific external sequencer or other program that currently owns the equipment phase.
Coordinate control hand-off by ensuring the current owner relinquishes ownership before this program attempts to claim it.