id4_common.devices.shutters
===========================

.. py:module:: id4_common.devices.shutters

.. autoapi-nested-parse::

   Shutters





Module Contents
---------------

.. py:class:: PolarShutter

   Bases: :py:obj:`apstools.devices.ApsPssShutterWithStatus`


   APS PSS shutter with optional auto-reopen logic on beam loss.


   .. py:attribute:: sleep_time
      :value: 5



   .. py:method:: start_auto_shutter()

      Subscribe to pss_state so the shutter reopens automatically on beam
      loss.



   .. py:method:: stop_auto_shutter()

      Unsubscribe all pss_state callbacks to disable automatic reopening.