Rockwell Automation 871F 2-wire AC/DC Proximity Sensors - Manual (Page 2)

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Copyright © 2012 Rockwell Automation, Inc. All Rights Reserved. PN-141168
10000243172 Ver 00
March 2012
Wiring Diagram
Conduit Style 1/2-14 NPT, PG13.5
Normally Open
Approximate Dimensions [mm (in.)]
Conduit Style 1/2-14 NPT
Suggested mounting: M5 or SAE#10 cap screw should be
used with a split lock washer to install the unit.
Conduit Style PG13.5
T2 T3
Load
Note: Load can be switched to terminal 2.
LEDs
65.0
(2.56)
44.0 (1.57)
83.0
(3.27)
65.0
(2.56)
6.0
(0.24)
94.0 (3.70)
Conduit opening
1/2 inch internal
thread
LEDs
44.0 (1.57)
94.0 (3.70)
6.0
(0.24)
83.0
(3.27)
65.0
(2.56)
65.0
(2.56)
Conduit opening
PG13.5 internal
thread
Mounting Space
Spacing Between Shielded Sensors (flush-
mountable) and Nearby Metal Surfaces
Shielded proximity sensors allow the electro-mag-
netic field to be concentrated to the front of the
sensor face. Shielded construction allows the
proximity to be mounted flush in surrounding metal
without causing a false trigger.
Flat Pack Style (871F)
Spacing Between Unshielded Sensors (nonflush-
mountable) and Nearby Metal Surfaces
Longer sensing distances can be obtained by
using an unshielded sensor. Unshielded proximity
sensors require a metal-free zone around the
sensing face. Metal immediately opposite the
sensing face should be no closer than three times
the rated nominal sensing distance of the sensor.
Flat Pack Style (871F)
Active Face
d d
d d d 4d
Active Face