Allen-Bradley controllogix 1756-L55M12, User Manual

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Publication 1756-UM001G-EN-P - January 2007
Configure PhaseManager 85
State Model Overview
A state model defines what your equipment does under different
conditions, such as run, hold, and stop.
PhaseManager States
PhaseManager State Transitions
With a state model, you define the behavior of your equipment.
PhaseManager State Models
State Description
Acting Does something or several things for a certain time or until certain conditions
are met. An acting state runs once or repeatedly.
Waiting Shows that certain conditions are met and the equipment is waiting for the
signal to go to the next state.
Holding
Hold
Idle
Start
Running
Hold
Held
Restarting
Restart
Stop
Stopping
Abort
Aborting
Stopped Aborted
Abort
Resetting
Complete
Reset
Reset
Your equipment can go from any state in
the box to the stopping or aborting state.
Acting
Waiting
Acting states represent the things your
equipment does at a given time.
Waiting states represent the condition of your
equipment when it is between acting states.
State Question to be asked
Stopped What happens when you turn on power?
Resetting How does the equipment get ready to run?
Idle How do you tell that the equipment is ready to run?
Running What does the equipment do to make product?
Holding How does the equipment temporarily stop making product without making
scrap?
Held How do you tell if the equipment is safely holding?
Restarting How does the equipment resume production after holding?
Complete How do you tell when the equipment is done with what it had to do?
Stopping What happens during a normal shutdown?
Aborting How does the equipment shut down if a fault or failure occurs?
Aborted How do you tell if the equipment is safely shut down?