Page 19 - Industrial Technology EXTRA - 15th June 2020
P. 19
Immediately before the alignment rails, a single
sensor is mounted beside the conveyor; positioning
sensors is simple thanks to a range of adjustable
mounting brackets. As each bag passes in front of
the sensor, its presence triggers the device, sending
a signal to the customer’s control system. A high- customer’s control system is via a PVC-sheathed
intensity red LED with a 15mm-diameter light spot cable with the choice of an integral M12 connector
at the selected 500mm sensing range ensures or a hermetically sealed entry. A second output
highly reliable detection of bags in real-time. provides a stability alarm in the event of reduced
Mounted in 20mm x 30mm x 10mm miniature sensitivity, flagging the need for preventative
plastic housings, C23 photoelectric sensors are maintenance before any performance degradation
available with industry-standard PNP or NPN occurs.
3‑wire or 4-wire output. Connection to the www.plusautomation.co.uk
June 2020 • INDUSTRIAL TECHNOLOGY EXTRA! • p19
