E3B2
E3B2
Plug-in Base, Long Range Sensor
Plug-in Terminal for Easy
Maintenance and Installation
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Universal AC/DC supply voltage
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Replace sensing head without rewiring
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Detect shiny objects with polarized
retroreflective type
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Long-range diffuse reflective sensors
detect dark objects at long distances
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Built-in ON- and OFF-delay timers
available
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Switch selectable light-on/dark-on
operation
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Mutual interference protection
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Ready-to-use: includes 3 A relay,
mounting bracket and reflector for
retroreflective types
E3B2
Ordering Information
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SENSORS
Method of detection
Light source
Sensing distance
Part
number
Without timers
ON- and OFF-
delay timers
(0.5 to 20 s)
(0.05 to 5 s)
Retroreflective
Polarized IR
5 m (16.40 ft)
E3B2-R5M4-US
E3B2-R5M4D-US
E3B2-R5M4D-US-3
Non-polarized IR
7 m (22.97 ft)
E3B2-R7M4-US
E3B2-R7M4D-US
—
Diffuse reflective
Non-polarized IR
2 m (6.56 ft)
E3B2-D2M4-US
E3B2-D2M4D-US
E3B2-D2M4D-US-3
Long-range diffuse
3 m (9.84 ft)
E3B2-D2M4-US-N
—
E3B2-D2M4-US-N-3
s
REPLACEMENT PARTS
Description
Reflector (supplied with retroreflective sensor)
Mounting bracket (supplied with each sensor)
Part number
E39-R2
E39-L35
2
E3B2
E3B2
Specifications
Part number
Method of detection
Supply voltage
Power
AC operation
consumption
DC operation
Sensing distance
E3B2-R5M4 -US-
E3B2-R7M4 -US
E3B2-D2M4 -US-
Diffuse reflective
E3B2-D2M4 -US-N-
Long-range diffuse
Retroreflective
24 to 240 VAC, 50/60 Hz; 12 to 240 VDC
2 VA max.
1.5 W max.
5 m (16.40 ft)
with E39-R2
reflector (included)
7 m (22.97 ft)
with E39-R2
reflector (included)
Light source
Detectable object type
Operation mode
Sensitivity
Mutual interference protection
Control
Relay Type
output
Max. load
Min. load
Response On
Without timer
time
With timer
Off
Without timer
With timer
Timing functions
Circuit
protection
Type
Range
Output short-
circuit
DC power supply
reverse polarity
Lens cover
Body/receptacle
Access cover
Mounting
Connections
Weight
Enclosure
ratings
Approvals
Ambient
temperature
Conduit
Wire
UL
NEMA
IEC 144
UL
CSA
Operating
Storage
Pulse modulated
infrared LED, polarized
Shiny and opaque
Opaque materials,
Opaque and transparent materials
materials,
80 mm (3.15 in)
80 mm (3.15 in)
minimum dimension
minimum dimension
Light-ON/Dark-ON, switch selectable
Adjustable
Provided
SPDT (Form 1C)
3 A, 250 VAC, (p.f.=1)
10 mA, 5 VDC
30 ms max. (E3B2-
M4-US- )
0.5 to 20 seconds, adjustable (E3B2-
M4D-US); 0.05 to 0.5 sec (E3B2-
M4D-US- -3)
30 ms max. (E3B2-
M4-US- )
0.5 to 20 seconds, adjustable (E3B2-
M4D-US); 0.05 to 0.5 sec (E3B2-
M4D-US- -3)
Independent ON-delay and OFF-delay (E3B2-
0.5 to 20 seconds
Not provided
Provided
Light incident (red LED), output stability (green LED), and output operation (yellow LED)
Plastic, polycarbonate
Plastic, polymethylmethacrylate (PMMA)
Plastic, polycarbonate
Side surface with two through holes or bottom surface with two threaded metal inserts;
bracket E39-L35 and hardware included
1/2-14 NPT
Plated steel screw terminals
230 g (8.1 oz)
1
1, 3, 4, 12, 13
IP66
Listed, File Number E41515
Certified, File Number LR45951
-25° to 55°C (-13° to 131°F)
-30° to 70°C (-22° to 158°F)
200 g (7.1 oz)
M4D-US)
2 m (6.56 ft)
with 30x30 cm
(11.8x11.8 in)
90% reflectance
white mat paper
Pulse modulated infrared LED
3 m (9.84 ft)
with 30 x 30 cm
(11.8 x 11.8 in)
90% reflectance
white mat paper
Indicators
Materials
3
E3B2
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OUTPUT CIRCUIT DIAGRAM
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CONNECTIONS
E3B2
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TIMING CHART
T
1
< t
1
, t
2
Light
Incident
Interrupted
Light-ON
mode
Without Timers
(E3B2-ssM4-US)
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
t
1
t
1
t
2
t
2
t
2
t
2
t
1
t
1
t
1
t
1
t
2
t
2
t
2
t
2
t
1
t
1
t
1
t
1
t
2
t
2
t
2
t
2
t
1
t
1
T
2
< t
1
, t
2
Light-ON
mode
With Timers
(E3B2-ssM4D-USs)
Dark-ON
mode
t
1
: ON-delay 0.5 to 20 s (E3B2-ssM4D-US) or 0.05 to 0.5 s (E3B2-ssM4D-US-3)
t
2
: OFF-delay 0.5 to 20 s (E3B2-ssM4D-US) or 0.05 to 0.5 s (E3B2-ssM4D-US-3)
4
E3B2
E3B2
Engineering Data
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EXCESS GAIN RATIO
E3B2-R5M4 -US-
100
E3B2-R7M4 -US
30
E3B2-D2M4 US-
100
Excess gain ratio
E3B2-R5M4s-US
Excess gain ratio
Excess gain ratio
10
20
10
1
10
1
1
0
0
0
5
(16.40)
10
(32.81)
15
(49.21)
5
(16.40)
10
(32.81)
13
(42.65)
1
(3.28)
2
(6.56)
3
(9.84)
Detecting distance in meters (feet)
with E39-R2 reflector
Detecting distance in meters (feet)
Detecting distance in meters (feet)
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance mat paper
E3B2-D2M4 -US-N-
30
Excess gain ratio
10
5
3
1
0
4
8
2
1
3
6
9
5
7
(3.28)
(9.84)
(29.53)
(16.40)
(22.97)
Detecting distance in meters (feet)
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance white mat paper
s
OPERATING RANGE
E3B2-R5M4 -US-
50
Y
X
E3B2-D2M4 -US-N-
Parallel offset distance Y in cm
40
Parallel offset distance Y in cm
30
20
10
0
10
20
30
40
50
1
2
3
4
5
6
7
8
80
(3.15)
40
(1.57)
0
-40
(-1.57)
-80
(-3.15)
9
10
0
0
0.30 0.60
(2)
(1)
0.91 1.21 1.51 1.81
(5)
(4)
(3)
(6)
2.11 2.42
(8)
(7)
2.72 3.02 3.32
(9) (10) (11)
3.62 3.93
(12) (13)
Reflector setting distance X in meters
Detecting distance in meters (feet)
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance white mat paper
5
E3B2
Operating Range continued
E3B2-D2M4 -US-
30
E3B2
s
DETECTING DISTANCE VS. MINIMUM
TARGET SIZE (at maximum sensitivity)
E3B2-D2M4s-US
Parallel offset distance Y in cm
Detecting distance in meters (feet)
20
10
0
10
20
30
5
(16.40)
4
(13.12)
3
(9.84)
2
(6.56)
1
(3.28)
0
10
5
(1.97) (3.94)
20
(7.87)
d
d
1
2
3
3.5
Detecting distance X in meters
with 30 x 30 cm (11.8 x 11.8 in)
90% reflectance white mat paper
30
(11.81)
Minimum target size "d" in cm (inches)
with 90% reflectance mat paper
Dimensions
Unite: mm (inch)
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SENSOR
6
