Cut Sheet

V8-T5-98 Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com
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5.10
Photoelectric Sensors
E51 Limit Switch Style, Modular Sensors
Product Selection
Assembled Sensors
Reflex, Diffuse Reflective and Thru-Beam Sensors
Notes
See listing of compatible connector cables on Page V8-T5-103.
1
All sensor heads feature a light or dark operation selector switch which reverses the output function.
2
Logic module must be ordered separately, see Page V8-T5-102. These sensor bodies are rated NEMA 4, 4X and 13.
3
Receptacles feature terminal wiring with a 1/2 in NPT thread at the conduit entrance.
Other connection options are available (see below and Page V8-T5-103).
4
Includes sensor head mounted to sensor body. Head can be rotated to any of four discrete positions on body,
90% apart, but is not separate from body.
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120 Vac operation.
6
10–30 Vdc operation.
Sensor Body and Receptacle Two-Wire Sensors Four-Wire Sensors
Operating voltage 20–264 Vac/dc 120 Vac 10–30 Vdc
Output NO or NC
1
NO and NC complementary NO and NC complementary
Sensor body E51SAL E51SCL E51SCN
Accepts logic
module
2
E51SNL
NPN
E51SPL
PNP
Receptacle
3
E51RA E51RC E51RCB E51RN E51RN
Sensing
Range
Response
Time
Sensing
Beam
Sensor Head Only
Catalog Number
Assembled Sensors with Head, Sensor Body and Receptacle
Catalog Number
Reflex
18 ft (5.5m) Standard
response
Infrared E51DP1 E51ALP1 E51CLP1 E51CNP1 E51NLP1 E51PLP1
35 ft (10.7m) Standard
response
E51DP3 — E51CLP3 E51CNP3 E51NLP3 E51PLP3
Polarized Reflex
15 ft (4.5m) Standard
response
Visible red E51DP5 — E51CLP5 E51CNP5 E51NLP5 E51PLP5
Diffuse Reflective
8 in (200 mm) Standard
response
Infrared E51DP2 E51ALP2 E51CLP2 E51CNP2 E51NLP2 E51PLP2
Fast response E51DP22 — E51CLP22 E51CNP22 E51NLP22 E51PLP22
18 in (450 mm) Standard
response
E51DP6 — E51CLP6 E51CNP6 E51NLP6 E51PLP6
40 in (1m) Standard
response
E51DP4 — E51CLP4 E51CNP4 E51NLP4 E51PLP4
Thru-Beam Detector
300 ft (90m) Standard
response
— E51DC1 E51ALC1 E51CLC1 E51CNC1 E51NLC1 E51PLC1
Thru-Beam Source
3
300 ft (90m) — Infrared with
visible red
alignment aid
E51DEL E51ELA
5
E51ELA
5
E51ELA
5
E51ELA
5
E51ELA
5
E51DED E51EDN
6
E51EDN
6
E51EDN
6
E51EDN
6
E51EDN
6
Connection Option Suffix Example
20 mm thread at the conduit entrance 20 E51ALP120
Built-in mini-connector with epoxy filled receptacle 2-wire, 3-pin connector P3 E51ALP1P3
4-wire, 5-pin connector P5 E51CLP1P5
Pigtail with mini-connector 2-wire, AC/DC T3 E51RAPT3
4-wire, AC T5 E51RCPT5
4-wire, DC T5 E51RNPT5
Pre-wired cable with epoxy filled receptacle 8 ft long S E51ALP1S
12 ft long S12 E51ALP1S12
20 ft long S20 E51ALP1S20
Reflex
Assembled Sensor
Sensor Heads
4
Polarized Reflex
Diffuse Reflective
Thru-Beam Detector
Thru-Beam Source