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Automatic Fill Sequencers
There are two automatic fill sequencers that operate on the
IOC in order to keep the magnet dewar filled with LHe and
the LN2 heat shield filled with LN2. These are distinguished
from the PID loops because they do not operate continuously.
Instead, they monitor the level of two baths of cryogenic liquids,
and only when the levels go below a certain set point
do the sequencers come into action. The control screens for both
sequencers are accessible from either the FlowDiagram or Expert GUIs.
Subsections
Christopher D. Keith
2001-08-23