E3B2 E3B2
2
Method of detection Retroreflective Diffuse reflective Long-range diffuse
Light source Polarized IR Non-polarized IR Non-polarized IR
Sensing distance 5 m (16.40 ft) 7 m (22.97 ft) 2 m (6.56 ft) 3 m (9.84 ft)
Part Without timers E3B2-R5M4-US E3B2-R7M4-US E3B2-D2M4-US E3B2-D2M4-US-N
number ON- and OFF- (0.5 to 20 s) E3B2-R5M4D-US E3B2-R7M4D-US E3B2-D2M4D-US —
delay timers (0.05 to 5 s) E3B2-R5M4D-US-3 — E3B2-D2M4D-US-3 E3B2-D2M4-US-N-3
Plug-in Base, Long Range Sensor E3B2
Plug-in Terminal for Easy
Maintenance and Installation
■Universal AC/DC supply voltage
■Replace sensing head without rewiring
■Detect shiny objects with polarized
retroreflective type
■Long-range diffuse reflective sensors
detect dark objects at long distances
■Built-in ON- and OFF-delay timers
available
■Switch selectable light-on/dark-on
operation
■Mutual interference protection
■Ready-to-use: includes 3 A relay,
mounting bracket and reflector for
retroreflective types
Ordering Information
■ SENSORS
■ REPLACEMENT PARTS
Description Part number
Reflector (supplied with retroreflective sensor) E39-R2
Mounting bracket (supplied with each sensor) E39-L35
E3B2 E3B2
3
Part number E3B2-R5M4-US-E3B2-R7M4-US E3B2-D2M4-US-E3B2-D2M4-US-N-
Method of detection Retroreflective Diffuse reflective Long-range diffuse
Supply voltage 24 to 240 VAC, 50/60 Hz; 12 to 240 VDC
Power AC operation 2 VA max.
consumption DC operation 1.5 W max.
Sensing distance 5 m (16.40 ft) 7 m (22.97 ft) 2 m (6.56 ft) 3 m (9.84 ft)
with E39-R2 with E39-R2 with 30x30 cm with 30 x 30 cm
reflector (included) reflector (included) (11.8x11.8 in) (11.8 x 11.8 in)
90% reflectance 90% reflectance
white mat paper white mat paper
Light source Pulse modulated Pulse modulated infrared LED
infrared LED, polarized
Detectable object type Shiny and opaque Opaque materials, Opaque and transparent materials
materials, 80 mm (3.15 in)
80 mm (3.15 in) minimum dimension
minimum dimension
Operation mode Light-ON/Dark-ON, switch selectable
Sensitivity Adjustable
Mutual interference protection Provided
Control Relay Type SPDT (Form 1C)
output Max. load 3 A, 250 VAC, (p.f.=1)
Min. load 10 mA, 5 VDC
Response On Without timer 30 ms max. (E3B2-M4-US-)
time With timer 0.5 to 20 seconds, adjustable (E3B2-M4D-US); 0.05 to 0.5 sec (E3B2-M4D-US--3)
Off Without timer 30 ms max. (E3B2-M4-US-)
With timer 0.5 to 20 seconds, adjustable (E3B2-M4D-US); 0.05 to 0.5 sec (E3B2-M4D-US--3)
Timing functions Type Independent ON-delay and OFF-delay (E3B2-M4D-US)
Range 0.5 to 20 seconds
Circuit Output short- Not provided
protection circuit
DC power supply Provided
reverse polarity
Indicators Light incident (red LED), output stability (green LED), and output operation (yellow LED)
Materials Lens cover Plastic, polycarbonate
Body/receptacle Plastic, polymethylmethacrylate (PMMA)
Access cover Plastic, polycarbonate
Mounting Side surface with two through holes or bottom surface with two threaded metal inserts;
bracket E39-L35 and hardware included
Connections Conduit 1/2-14 NPT
Wire Plated steel screw terminals
Weight 230 g (8.1 oz) 200 g (7.1 oz)
Enclosure UL 1
ratings NEMA 1, 3, 4, 12, 13
IEC 144 IP66
Approvals UL Listed, File Number E41515
CSA Certified, File Number LR45951
Ambient Operating -25° to 55°C (-13° to 131°F)
temperature Storage -30° to 70°C (-22° to 158°F)
Specifications
E3B2 E3B2
4
■ OUTPUT CIRCUIT DIAGRAM ■ CONNECTIONS
■ TIMING CHART
T < t , t
1 1 2
T < t , t
2 1 2
t
1
t
2
t
2
t
2
t
2
t
1
t
1
t
1
t
1
t
2
t
2
t
1
t
1
t
2
t
2
t
1
t
1
t
2
t
2
t
1
t
1
t : OFF-delay 0.5 to 20 s (E3B2-
■■
M4D-US) or 0.05 to 0.5 s (E3B2-
■■
M4D-US-3)
2
t
1
t
2
t
2
t : ON-delay 0.5 to 20 s (E3B2-
■■
M4D-US) or 0.05 to 0.5 s (E3B2-
■■
M4D-US-3)
1
Light Incident
Interrupted
Without Timers
(E3B2-
■■
M4-US)
With Timers
(E3B2-
■■
M4D-US
■
)
Light-ON
mode
Dark-ON
mode
Light-ON
mode
Dark-ON
mode
Operation
Indicator
NO Contact
Operation
Indicator
NO Contact
Operation
Indicator
NO Contact
Operation
Indicator
NO Contact
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
E3B2 E3B2
5
Engineering Data
■ EXCESS GAIN RATIO
100
10
1
05
(16.40) 10
(32.81) 15
(49.21)
Detecting distance in meters (feet)
with E39-R2 reflector
Excess gain ratio
E3B2-R5M4■-US
30
20
10
1
05
(16.40) 10
(32.81) 13
(42.65)
Detecting distance in meters (feet)
Excess gain ratio
100
10
1
01
(3.28) 2
(6.56) 3
(9.84)
Detecting distance in meters (feet)
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance mat paper
Excess gain ratio
E3B2-D2M4
-US-N-
1
(3.28) 23
(9.84)
Detecting distance in meters (feet)
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance white mat paper
Excess gain ratio
0468
1
3
5
10
30
5
(16.40) 7
(22.97)
9
(29.53)
E3B2-D2M4
US-
E3B2-R7M4
-USE3B2-R5M4
-US-
■ OPERATING RANGE
E3B2-R5M4
-US-
E3B2-D2M4
-US-N-
2
Reflector setting distance X in meters
Parallel offset distance Y in cm
468
135
10
30
7910
30
10
50
40
20
50
40
20
0
Y
X
80
(3.15)
40
(1.57)
Detecting distance in meters (feet)
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance white mat paper
0
0
Parallel offset distance Y in cm
0
-40
(-1.57)
-80
(-3.15)
0.30
(1) 0.60
(2) 0.91
(3)
1.21
(4) 1.51
(5) 1.81
(6) 2.11
(7)
2.42
(8)
2.72
(9) 3.02
(10)
3.32
(11) 3.62
(12)
3.93
(13)
E3B2 E3B2
6
Unite: mm (inch)
Dimensions
5
(1.97)
4
(13.12)
3
(9.84)
2
(6.56)
1
(3.28)
010
(3.94)
20
(7.87)
30
(11.81)
5
(16.40)
d
d
Minimum target size "d" in cm (inches)
with 90% reflectance mat paper
Detecting distance in meters (feet)
E3B2-D2M4■■-US
E3B2-D2M4
-US-
Operating Range continued
2
Detecting distance X in meters
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance white mat paper
013
10
30
Parallel offset distance Y in cm
3.5
10
30
20
20
■ SENSOR
■ DETECTING DISTANCE VS. MINIMUM
TARGET SIZE (at maximum sensitivity)
E3B2 E3B2
7
■ E39-L35 MOUNTING BRACKET (included)
■ E39-R2 REFLECTOR (included)
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