Page 14 - Industrial_Technology_EXTRA_May_4th_2020

transmitter and receiver units in
alignment on either side of the cable. As
the pantagraph current collector passes
between the two units it breaks the
beam, triggering the sensor and
returning the switch to the straight-through
position. with a hermeti-
The C23 photoelectric sensors are virtually cally sealed entry.
impervious to the harsh, outdoor environment and The receiver has an
their small physically size (30 x 20 x 10mm) industry-standard PNP interface. The one-piece
eliminates the risk of accidental damage arising mounting bracket allows easy removal and
from a mechanical collision. The rugged replacement of the complete assembly during
construction and vacuum-encapsulated electronics routine maintenance. Operational results have been
within the sensor minimise the effects of vibration, excellent and the Contrinex sensors have proved
ensuring a long service life. highly reliable, eliminating switching errors and
Each unit is connected to the trolley-bus reducing maintenance costs significantly.
control systems via a PVC-sheathed cable www.plusax.co.uk/Dist

May 2020 • INDUSTRIAL TECHNOLOGY EXTRA! • p14