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MuSR Steering Magnets

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JamesKingWork edited this page May 18, 2021 · 3 revisions

MuSR has two steering magnets, for horizontal and vertical steering of muons.

An OPI exists for this (musr_steering.opi) which takes two Kepco Power supplies as macros for the respective magnet.

This OPI contains a STOP and START button as pictured - this sends a PV write to the IN:NDXMUSR:MUSR_STEERING_OFF PV. This gets loaded by INSTETC on MuSR from custom_records.db file in the configurations area. This is stored on the NDXMUSR branch.

musr_steering_opi

The OPI also offers "saving" and "loading" functionality for the steering magnets and their 'default' values - these point to fields specified in custom_records.db. These records effectively trigger a manual autosave for the Kepco current setpoint values and load them back in when the load button is pressed. The OPI shows the current defaults above the buttons used for loading and saving.

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