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Function description
Vacuum supply system
Supply process
When the feed motor is running, the duration of the
motor operation is recorded. The recorded time is used
to calculate the amount of pellets consumed and when
the next supply process should be started. In addition,
the pellet sensor in the pellet hopper has to confirm
that a new pellet supply is required.
If individual supply times have been configured at the
programming unit, a supply process cannot be initiated
during a blocking time. If required, the pellet sensor
can initiate a supply process before a blocking time
starts, to completely refill the pellet hopper.
140
(cont.)
If the supply process was initiated, the vacuum module
is initially activated. Pellets that remain in the pipework
from the previous supply process are removed.
After this, the cycling operation for the discharge from
the pellet store is started.
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