E3HT
E3HT
2
8 mm Metal Cylindrical Photoelectric
E3HT
s
Rugged Nickel-plated brass housing
s
1 m range through-beam
s
Dual output NPN and TTL logic
s
Light-ON or Dark-ON models
s
Cable and connector models
Threaded Cylindrical M8 Size
with Built-in DC Amplifier
Description
Part number
Mounting hardware set, includes two mounting nuts and lock washers
M8-MHWS
s
REPLACEMENT PARTS
Method of detection
Through-beam
Diffuse reflective
Connector style
Sensing distance
1 m (3.28 ft)
3.5 cm (1.38 in)
--
Part
Light-ON operation
E3HT-1E1
E3HT-DS3E1
E3HT-DS3E1-M1J
number
Dark-ON operation
E3HT-1E2
E3HT-DS3E2
--
s
SENSORS
Ordering Information
E3HT
3
E3HT
Part number
E3HT-1E
E3HT-D3E
E3HT-DS3E1-M1J
Method of detection
Through-beam
Diffuse reflective
Supply voltage
12 to 24 VDC
Current consumption
Emitter: 25 mA max.
30 mA max.
Receiver: 15 mA max.
Sensing distance
1 m (3.28 ft)
3.5 cm (1.38 in)
with 3 x 3 cm (1.18 x 1.18 in)
90% reflectance white mat paper
Light source
Pulse modulated infrared LED
Detectable object type
Opaque materials,
Opaque materials
6 mm (0.24 in) min. dimension
Operation mode
Light-ON: E3HT-
E1
Dark-ON: E3HT-
E2
Sensitivity
Fixed
Mutual interference protection
Not provided
Control
Type
NPN and TTL Logic
output
Max. load
Load (relay, sink) logic: 80 mA
Voltage (source) logic: 1.5 to 3 mA
Max. on-state
1 VDC at 80 mA
voltage drop
Response time
On
5 ms max.
3 ms max.
Off
5 ms max.
3 ms max.
Circuit protection
Short circuit and reverse polarity protection
Indicators
Emitter: Power On (red LED)
Light Incident (red LED)
Receiver: Light Incident
(red LED)
Materials
Lens
Plastic
Case
Metal, nickel-plated brass
Mounting
M8 threaded body, two nuts and lock washers provided
Connections
Prewired
Emitter: 2-conductor cable,
3-conductor cable, 2 m (6.56 ft)
2 m (6.56 ft) length
Receiver: 3-conductor cable,
2 m (6.56 ft) length
Weight
Emitter: 40 g (1.4 oz.)
45 g (1.6 oz.)
Receiver: 45 g (1.6 oz.)
Enclosure
UL
1
ratings
NEMA
1, 3, 4X, 6, 12
IEC 144
IP66
Approvals
CE
Ambient
Operating
-25
to 55
C (-13
to 131
F)
temperature
Storage
-30
to 70
C (-22
to 158
F)
Specifications
s
OUTPUT CIRCUIT DIAGRAM
Note: IEC colors are shown in parentheses.
DC
solid
state
E3HT
5
E3HT
Dimensions
Unit: mm
s
DIFFUSE REFLECTIVE TYPE
s
THROUGH-BEAM TYPE
Mounting
Do not exceed the torque listed in the table below when
tightening the mounting nuts.
Drawing section
A
B
Length
Front 12 mm
Back 18 mm
(0.47 in)
(0.71 in)
Maximum
20 kg-cm
30 kg-cm
allowable torque
17.3 in-lbs
26 in-lbs
OMRON ELECTRONICS LLC
OMRON CANADA, INC.
One East Commerce Drive
885 Milner Avenue
Schaumburg, IL 60173
Scarborough, Ontario M1B 5V8
1-800-55-OMRON
416-286-6465
Cat. No. CEDSAX4
11/01
Specifications subject to change without notice.
Printed in the U.S.A.
OMRON ON-LINE
Global - http://www.omron.com
USA - http://www.omron.com/oei
Canada - http://www.omron.com/oci
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