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Электронный компонент: E3HF-IIIE1

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2
E3HF
E3HF
Thin Flat-pack Style
I
Just 7 mm (0.276 in) thick
I
NPN transistor output switches 80 mA
I
Choose Light-ON or Dark-ON operation
models
I
Top and side through holes make
mounting easy
I
3 pairs of focusing slits supplied with
separate type sensors
Thin-Profile 7-mm Photoelectric Sensor
E3HF
Ordering Information
Method of detection
Through-beam
Diffuse reflective
Sensing distance
1 m (3.28 ft)
5 cm (1.97 in)
Part number
Light-ON operation
E3HF-1E1
E3HF-DS5E1
Dark-ON operation
E3HF-1E2
E3HF-DS5E2
I
SENSORS
Specifications
Part number
E3HF-1E
I
E3HF-DS5E
III
Method of detection
Through-beam
Diffuse reflective
Supply voltage
12 to 24 VDC
Current
Emitter
25 mA max.
30 mA max.
consumption
Receiver
15 mA max.
Sensing distance
1 m (3.28 ft)
50 mm (1.97 in)
with 3 x 3 cm (1.18 x 1.18 in)
90% reflectance white mat paper
Light source
Pulse modulate Infrared LED
Detectable object type
Opaque materials,
Opaque materials
6 mm (0.24 in) minimum dimension
Operation mode
Light-ON
E3HF-
III
E1
Dark-ON
E3HF-
III
E2
Sensitivity
Fixed
Adjustable
(Table continues on the next page)
3
E3HF
E3HF
Part number
E3HF-1E
I
E3HF-DS5E
III
Output
Type
NPN open collector with pull-up resistor
Max. load
Load (relay, sink) logic: 80 mA
Voltage (source) logic: 1.5 to 3 mA
Max. on-state voltage drop
1 VDC at 80 mA
Response time
On
5 ms max.
3 ms max.
Off
5 ms max.
3 ms max.
Circuit protection
Output short-circuit
Provided
DC power supply
Provided
reverse polarity
Indicators
Emitter
Power On (red LED)
Light incident (red LED)
Receiver
Light Incident (red LED)
Materials
Lens
Plastic
Case
Plastic
Mounting
Top and side surface with two through holes
Connections
Cable
Emitter
2-conductor cable, 2 m (6.56 ft) length
3-conductor cable, 2 m (6.56 ft)
Receiver
3-conductor cable, 2 m (6.56 ft)
Weight
Emitter
40 g (1.4 oz)
40 g (1.4 oz)
Receiver
40 g (1.4 oz)
Enclosure ratings
NEMA
1, 3, 4X, 12
IEC 144
IP64
Ambient
Operating
-25
to 55
C (-13
to 131
F)
temperature
Storage
-30
to 70
C (-22
to 158
F)
Specifications Table - continued from previous page
I
OUTPUT CIRCUIT DIAGRAM
Note: IEC colors are shown in parentheses.
Dark-ON operation mode
Light
Light incident
indicator
Output
transistor
Load
(between + V
and output)
Voltage logic
(between 0 V
and output)
Incident
Interrupted
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Operation
I
TIMING CHARTS
Light-ON operation mode
Light
Light incident
indicator
Output
transistor
Load
(between + V
and output)
Voltage logic
(between 0 V
and output)
Incident
Interrupted
ON
OFF
ON
OFF
ON
OFF
ON
OFF
4
E3HF
E3HF
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EXCESS GAIN
Through-Beam Type
Engineering Data
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DIFFUSE REFLECTIVE TYPE
Excess gain (mV)
Detecting distance (cm)
Excess gain (mV)
Detecting distance (cm)
with 3 x 3 cm (1.2 x 1.2 in)
90% reflectance mat paper
and target distance
l
I
LIGHT SOURCE/RECEIVER
SETTING RANGE
Through-Beam Type
Diffuse Reflective Type
A
verage parallel of
fset X (mm)
Detecting distance Y (cm)
Parallel offset
Y
(mm)
Detecting distance X (cm)
I
OPERATING RANGE
5
E3HF
E3HF
Dimensions
Unit: mm
Using slits reduces the sensing distance and allows smaller
objects to be detected.
I
SLITS FOR THROUGH-BEAM
Through-beam Type
Light Source
Receiver
Diffuse Reflective Type
Three pairs of slits are supplied with E3HF-1E1 and E3HF-1E2
sensors. The slits are decals that can be peeled off the protective
backing sheet and applied to the emitter and receiver. See table
below for dimensions of slit openings.
Slit width
0.5 mm (0.020 in)
1 mm (0.039 in)
2 mm (0.079 in)
Sensing distance
12 cm (4.74 in)
20 cm (7.87 in)
40 cm (15.75 in)
Minimum detectable object size
0.5 mm (0.020 in)
1 mm (0.039 in)
2 mm (0.079 in)
E3HF
E3HF
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