Cut Sheet

Volume 8—Sensing Solutions CA08100010E—July 2015 www.eaton.com V8-T5-101
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5.10
Photoelectric Sensors
E51 Limit Switch Style, Modular Sensors
Glass Fiber Optic Sensors
1
Sensor Bodies
Two-Wire Sensors
Four-Wire Sensors
Notes
1
All sensor heads feature a light or dark operation selector switch.
2
Diffuse reflective ranges are based on a 90% reflectance white card.
3
Requires glass fiber optic cables for operation (not included), see Tab 9, section 9.2.
4
This sensor body is available in a factory-sealed, non plug-in configuration (with 8 ft cable), add 6P to listed catalog number. Example: E51SAL6P.
5
Sensor body is black. E51SCN sensor bodies are rated NEMA 4, 4X and 13.
Sensing Range
2
Thru-Beam Mode Diffuse Reflective Mode Response Time
Sensing
Beam Adjustment
Catalog
Number
0.063 In Dia.
Fibers
0.125 In Dia.
Fibers
0.063 In Dia.
Fibers
0.125 In Dia.
Fibers
ON
AC Sensor DC Sensor
OFF
AC Sensor DC Sensor
Standard Fiber Mounting Style
3
8 in
(200 mm)
25 in
(650 mm)
0.6 in
(15 mm)
3 in
(75 mm)
20 ms 20 ms 30 ms 22 ms Infrared — E51DF1
3 in
(75 mm)
9 in
(225 mm)
0.25 in
(6 mm)
1 in
(25 mm)
0.5 ms 0.5 ms 9 ms 0.5 ms Infrared — E51DF11
Collar Fiber Mounting Style
3
8 in
(200 mm)
25 in
(650 mm)
0.6 in
(15 mm)
3 in
(75 mm)
20 ms 20 ms 30 ms 22 ms Infrared Sensitivity E51DF3
3 in
(75 mm)
9 in
(225 mm)
0.25 in
(6 mm)
1 in
(25 mm)
0.5 ms 0.5 ms 9 ms 0.5 ms Infrared Sensitivity E51DF33
10 in
(250 mm)
40 in
(1000 mm)
0.8 in
(20 mm)
4.5 in
(115 mm)
20 ms 20 ms 30 ms 22 ms Infrared — E51DF4
Operating
Voltage Output Protection Output Rating Continuous Type Catalog Number
AC/DC
20–264 Vac/dc,
50/60 Hz
One output, load powered, NO or NC,
programmable from head;
OFF-state leakage current:
1.7 mA at 120 Vac/dc, <2.0 mA at 240 Vac
Latching short
circuit and overload
0.5A — E51SAL
4
Operating
Voltage Output Protection Output Rating Continuous Type Catalog Number
AC
120 Vac,
50/60 Hz
Two complementary outputs,
line powered, NO and NC
— 1.0A to 158°F (70°C),
linearly derated to 0.6A
at 176°F (80°C)
— E51SCL
4
1.0A to 113°F (45°C),
linearly derated to 0.3A
at 176°F (80°C)
Accepts logic modules
(see Page V8-T5-102)
E51SCN
5
DC
10–30 Vdc Two complementary outputs,
line powered, NO and NC
Burden current: <25 mA
OFF-state leakage: <100 μA
ON-state: <2.5 Vdc
Power-up delay: <150 ms
Reverse polarity 0.6A to 104°F (40°C),
linearly derated to 0.36A
at 176°F (80°C)
NPN E51SNL
4
PNP E51SPL
4
Standard Fiber
Mounting Style
Collar Fiber
Mounting Style
AC/DC
AC (E51SCN Shown)
DC