Exceptions page

Use the settings on Exceptions page to define the action performed by the drive as a result of an exception condition. Exceptions are conditions that can occur during motion axis operation that could generate faults or alarms.
The associated drive of the axis controls which actions are available for each Exception. When a fault or alarm occurs, the corresponding fault or alarm axis attributes are set.
IMPORTANT: Modifying the Exception Action settings may require programmatically stopping or disabling the axis to protect personnel, machine, and property.
TIP:
  • The method used for stopping an axis for a Stop Drive exception action depends on the specific exception condition as determined by the drive. The action does NOT depend on the configured
    Disable (MSF) Stopping Action
     parameter on the
    Actions
     page.
  • When a previously selected entry is no longer supported due to a configuration change, most of the conditions default to
    Disable
    . In the few cases where
    Disable
     does not apply, the default is
    Fault Status Only
    . For example,
    Disable
     does not apply with a feedback-only type configuration.
TIP: To open the Exceptions page:
  1. In the
    Controller Organizer
    , expand the
    Motion Groups
     folder, and double-click an axis.
  2. From the
    Axis Properties
     dialog box, in
    Categories
    , click
    Exceptions
    .
The Exceptions page includes these parameters.
Parameter
Description
Exception Condition
Lists all possible exception conditions supported by the drive.
Action
Specifies the action that the drive should take, or what it should send to the application if the drive encounters the exception condition.
The profile definition may restrict the list of available actions.
  • Unsupported
  • Ignore
  • Alarm
  • Fault Status Only
  • Disable
  • Stop Planner
  • Stop Drive
  • Shutdown
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