Appendix E - Reject Options - Loma IQ2 User Manual

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Appendices
Appendix E – Reject options
The entries contained within this menu allow selection of the type of reject timing and certain
reject options as described below.
Mode
Selects the reject configuration from the following options:
Pulse (only available if a photo-eye is fitted)
When a contaminated package is detected the reject delay time is counted down, in order
for the package to travel from the photo-eye to the reject device, where-upon the reject is
turned on for a time equal to the reject dwell time. Typically, this mode of reject would be
used for air blast or pusher type rejects for the accurate rejection of small packages at high
speed.
Pulse extension
The same as pulse mode, except that the dwell time is extended if a second contaminated
product reaches the reject point before the dwell time from the first contaminated product
has timed out. This could typically be used with an air blast or retracting band reject device,
but not a pusher type device. This reject mode is always available.
Toggle (only available if a photo-eye is fitted)
When a contaminated package is detected the reject delay time is counted down, in order
for the package to travel to the reject device, where upon the reject device state is toggled.
NOTE: No Reject dwell entry will appear in the Product setup menu for this mode of
operation.
Dwell extension (not available if a photo-eye is fitted)
When a contaminated product is detected the reject device is immediately activated, and
stays activated for a time equal to the reject dwell time. If a second reject product is
detected before the dwell time has timed out, then the dwell time is counted down from the
beginning again. No Reject delay entry will appear in the Product setup menu.
Reject till accept (only available if a photo-eye is fitted)
When a contaminated product is detected the delay time is timed out, at which point the
reject device becomes activated. The reject device will then stay activated until an
uncontaminated product reaches the reject point.
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