Pregis SHARP SX - Permissives and Special Conditions

SX™ Operator Manual
©
Original Printed in English
PERMISSIVES & SPECIAL CONDITIONS
This section describes Permissives and Special Conditions. In general terms, a permissive is a condition that
must be TRUE in order to permit or allow a particular operation to take place.
All options must be configured.
All optional features must be selected or configured before they can be turned on. By default if an option is not
selected its function will be turned off.
Ready to Cycle Permissive
All of the follow conditions must be true before the machine will cycle:
 The Jaw must go through a homing cycle on each power-up.
 The bagger cannot be faulted.
 All Bagger motions must in their home position
 Pressure Bar is opened to the Pass-Thru position
 Print Head is raised.
 Printer not in cycle (if equipped)
 Batch Counter NOT done.
 If the batch counter function is on and the counter has reached its terminal count, then the counter must
be reset before the bagger can cycle again
Product Delivery Permissive
The PLC program of the Filler Machine is required to have a permissive contact directly in series with its real
world output address that controls the product delivery to the bagger:
 Permissive contact must be programmed N.O. (normally opened)
 Permissive contact shall consist only of the real world PLC input address mapped to the “Ready For
Filler” output from Sharp Packaging.
 Permissive contact may not be from an internal memory coil, timer bit, or any PLC logic associated with
the operation of the Filling Machine.
 Filler PLC may never turn on the Delivery/Dump output unless the Permissive is ON.
Intermittent Filler Sequence is as follows:
 Bagger is manually cycled to feed out the first bag.
 Output O-13 turns on when a bag is opened and the bagger is “Ready for Filler”. The Filler must always
monitor this signal.
 Filler completes product drop or delivery and turns on I-11 input.
 When Sharp PLC receives the I-11 Filler Trigger, it will turn off the O-13 output.
 Sharp PLC starts a Drop Time Delay to allow for product to drop into the opened bag. When Drop timer
expires, bagger is cycled and the next bag is fed out to make ready.
THEORY OF OPERATION
INTRODUCTION
1-10