UM-PRORUNNER_Mk5-1.2-EN-US 33
Description
Monitoring of the passage of the product carrier
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Sensor B3 has been mounted into the
machine. This sensor is operated by each
product carrier in the circulating movement.
After this a time frame will start. At the end of
this time frame it is checked whether the
passage where the product carrier passes the
putting down position is free from product. This
is checked by sensors B8 and B9.
The distance between operation of sensor B3 and the putting down position must be
smaller than the space between the two consecutive product carriers. When products are
still present at the moment that the time frame ends, detected by sensors B8 and B9, the
machine drive must stop immediately. The drive may only start up again when these
positions have been reported empty for a certain period. Sensor B8 sets a flag when there
is a product on the outfeed. Sensor B9 resets the flag at a falling edge. If the flag is set
(true) the lift stops at the moment that the time frame expires.The lift can go on at the
moment that the flag is reset (false) again.
Signalling descending / ascending carrier
Fig. 1Ascending carrier
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The infeed conveyor is on the lower position
and the outfeed conveyor is on the higher
position. The products are transported from the
lower to the higher position.
B3 Start time frame sensor
B8 Sensor for checking presence of
product on the outfeed
B9 Sensor for checking if product has
left the outfeed (on falling edge)
B9
B8
B3
B1 Product release sensor
B3 Start time frame sensor
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