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Signals into our system from the plant:
•
70/40 MODE – this is the main start/stop signal for REMOTE mode. This is also the
signal that will shift the tipples down at the infeed and outfeed of the line
•
DOWNSTREAM LINE READY FOR PRODUCT – This is on when the downstream
system is ready to accept product from our line. If this is not on the system will go
into “STACK” mode on the accumulator
•
DRYER AT SET TEMPERATURE – This is a signal from the dryer that indicates that
the dryer is at temperature
•
DRYER CONVEYORS RUNNING – This is a signal from the dryer that indicate the dryer
conveyors are running
o
NOTE about this signal – this signal will turn on the dryer out feed motor B7
as long as our system is powered up
Signals from our system out to the plant:
•
70/40 MODE – this indicates that our system is ready to accept board from the plant.
This signal will drop out anytime there is a problem in one of our zones
•
ACCUMLATOR STACKING – indicates that we are accumulating board, stacking it up
•
ACCUMLATOR FEEDING – indicates that the accumulator is being unloaded, feeding
the downstream system
•
ACCUMLATOR FEED THRU – indicates that the accumulator is not stacking or
feeding/unloading, board is passing thru the accumulator
•
DRYER AT SET TEMPERATURE – This is a signal from the dryer that indicates that
the dryer is at temperature
•
DRYER CONVEYORS RUNNING – This is a signal from the dryer that indicate the dryer
conveyors are running
Figure 5: Zone 3