MFX Beryllium Lens Interlock PLC code.
ioc-mfx-tfs-lens
is the corresponding EPICS IOC code for this PLC. Prior
to pushing any changes to the running IOC, the LCLS Safety Office must be
contacted.ioc-mfx-lusiAtt
shall not be disabled, as it is an
integral part of this safety interlock: it is being used as a beam shutter.