dodal.devices.beamlines.i19.access_controlled.piezo_control.AccessControlledPiezoActuator#

class dodal.devices.beamlines.i19.access_controlled.piezo_control.AccessControlledPiezoActuator[source]#

I19-specific device to set a voltage on the focusing mirror piezoelectric actuator.

This device will send a REST call to the blueapi instance controlling the optics hutch running on the I19 cluster, which will evaluate the current hutch in use vs the hutch sending the request and decide if the plan will be run or not. As the two hutches are located in series, checking the hutch in use is necessary to avoid accidentally operating the shutter from one hutch while the other has beamtime.

The name of the hutch that wants to operate the shutter, as well as a commissioning directory to act as a placehlder for the instrument_session,should be passed to the device upon instantiation.

A mirror type (vfm or hfm) also needs to be set upon instantiation so that the correct plan can be run and the correct optics device is injected.

For details see the architecture described in https://diamondlightsource.github.io/i19-bluesky/main/explanations/decisions/0004-optics-blueapi-architecture.html

Parameters:

Methods

set(value)

Attributes