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7.5 VARIABLE SPRAY TIME
The system will spray for a period based on the detected length of a product. Instead of entering a xed spray period,
an upper limit can be congured. The resulng spray period will be determined by the detecon of the start and end
of a trigger signal, with a xed start and end delay.
This ming mode is used to create a delayed spray pulse that is referenced from the trigger start and stop events. The
start and stop delay are typically the same as the me between the object sensor and the spray nozzle.
Variable spray period
INCREASE SPRAY PERIOD
•
Decrease Start-delay: The spray is started before the object has reached the spray nozzle.
•
Increase Stop-delay: The spray connues aer the object has passed the spray nozzle.
Increased spray period
DECREASING SPRAY PERIOD
The spray length can be decreased by:
•
Increasing the Start Spray Delay: the spray is started aer the object is already under the spray nozzle. In this case
the beginning of the object is not sprayed.
•
Decreasing the Stop Spray Delay: the spray stops before the object has completely past the spray nozzle. In this
case the end of the object is not sprayed.
Variable spray length—decreasing spray length
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