Published on the Packaging World Web site

Controls Product Brief
| February 28, 2001

Proximity sensors

Rockwell Automation (Milwaukee&#44 WI) introduces two new Allen-Bradley WorldProx inductive proximity sensors designed to address more diverse applications.
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Bulleting 872C Complementary Output sensors are 4-wire models that provide 2 outputs simultaneously for applications where l load must be turned on while a second load is turned off in response to the same event. The 872 QuadroPlex 2-wire DC sensor functions with a normally open normally closed sourcing or sinking output based on the wiring configuration.

SOURCE: http://www.packworld.com/controls/sensors/proximity-sensors-1