Cut Sheet

V8-T5-100 Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com
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5.10
Photoelectric Sensors
E51 Limit Switch Style, Modular Sensors
Sensor Heads
Reflex, Diffuse Reflective and Thru-Beam Sensors
1
Notes
1
All sensor heads feature a light or dark operation selector switch.
2
Reflex ranges are based on a 3 in retroreflector; diffuse reflective ranges are based on a 90% reflectance white card.
3
These sensor heads have a mechanical Near/Far adjustment which adjust the head for optimum performance at the expected
target distance. The adjustment, which move the optics and adjustment indicator, is made before the head is mounted on the
sensor body. Excess gain graphs are shown in the “Far” setting.
4
Includes sensor head mounted to sensor body. Use receptacles E51RA for AC or E51RN for DC sources. Head can be rotated
to any of four discrete positions on body, 90° apart, but is not separate from the body.
Sensing
Range
2
Response Time
Sensing
Beam Adjustment
Input
Voltage Catalog NumberField of View
ON
AC Sensor DC Sensor
OFF
AC Sensor DC Sensor
Reflex
18 ft
(5.5m)
6 in (152 mm)
diameter at
15 ft (4.6m)
20 ms 20 ms 30 ms 22 ms Infrared — — E51DP1
35 ft
(10.7m)
12 in (305 mm)
diameter at
35 ft (10.7m)
20 ms 20 ms 30 ms 22 ms Infrared — — E51DP3
Polarized Reflex
15 ft
(4.5m)
6 in (152 mm)
diameter at
15 ft (4.6m)
20 ms 20 ms 30 ms 22 ms Visible red — — E51DP5
Diffuse Reflective
8 in
(200 mm)
1 in (25 mm)
diameter at
4 in (101m)
20 ms 20 ms 30 ms 22 ms Infrared Near/far
3
— E51DP2
1 ms 0.5 ms 9 ms 0.5 ms Infrared Near/far
3
— E51DP22
18 in
(450 mm)
1 in (25 mm)
diameter at
9 in (228m)
20 ms 20 ms 30 ms 22 ms Infrared Near/far
3
— E51DP6
40 in
(1m)
1.5 in (38 mm)
diameter at
40 in (1m)
20 ms 20 ms 30 ms 22 ms Infrared — — E51DP4
Thru-Beam Detector
300 ft
(90m)
18 in (457 mm)
diameter at
20 ft (6.1m)
10 ms 5 ms 10 ms 5 ms — Sensitivity — E51DC1
Thru-Beam Source
4
300 ft
(90m)
36 in (914 mm)
diameter at
20 ft (6.1m)
————Infrared with
visible red
alignment aid
—120 VacE51DEL
10–30 Vdc E51DED
Reflex
Polarized Reflex
Diffuse Reflective
Thru-Beam Detector
Thru-Beam Source