General Purpose Photoelectric Sensor
Miniature DC Sensor with Built-in
Amplifier Offers Vertical or Horizontal
Single-Screw Mounting
H
H
H
H
H
Visible red beam
High-speed sensing, 0.5 ms response time
NEMA 4X, 6 and IP67
Single-screw mounting
Pre-wired, Light-ON/Dark-ON wire
selectable
E3S-B
Ordering Information
J
SENSORS
Through-beam sensors include both emitter and receiver. The polarized retroreflective sensors include E39-R1 reflector. All sensors
include mounting hardware.
Method of detection
Sensing distance
Mounting
Horizontal
Vertical
Output
NPN
PNP
NPN
PNP
Through-beam
2 m (6.56 ft)
Part number
E
3
S-BT
11
E
3
S-BT
31
E
3
S-BT
61
E
3
S-BT
81
E
3
S-BR
11
E
3
S-BR
31
E
3
S-BR
61
E
3
S-BR
81
E
3
S-BD
11
E
3
S-BD
31
E
3
S-BD
61
E
3
S-BD
81
Polarized retroreflective
1 m (3.28 ft)
Diffuse reflective
20 cm (7.87 in)
J
ACCESSORIES
Description
Slits for E3S-BTjj sensors (3 pairs of adhesive slits: 2 mm, 1 mm and 0.5 mm wide)
Aperture kit for E3S-BTjj sensors (3 pairs of adhesive apertures: 2 mm, 1 mm and 0.5 mm dia.)
Mutual interference filters for E3S-BTjj sensors (2 pairs: horizontal and vertical, includes mounting hardware)
Small corner cube reflector
Adhesive back reflector
10 to 60 cm (3.94 to 23.62 in)
7 to 35 cm (2.76 to 13.78 in)
10 to 20 cm (3.94 to 7.87 in)
10 to 30 cm (3.94 to 11.81 in)
Stainless steel mounting bracket for E39-R1 reflector
Stainless steel mounting bracket for E39-R3 reflector
Part number
E
39
-S
47
E
39
-S
48
E
39
-E
8
E
39
-R
3
E
39
-R
4
E
39
-RSA
E
39
-RSB
E
39
-L
7
E
39
-L
54
J
ACCESSORIES
Description
Corner cube reflector (supplied with E3S-BRjj)
Stainless steel mounting bracket for horizontal sensors (supplied with each sensor)
Stainless steel mounting bracket for vertical sensors (supplied with each sensor)
Mounting adapter plate
Part number
E
39
-R
1
E
39
-L
71
E
39
-L
72
E
39
-L
61
2
E3S-B
E3S-B
Specifications
Part number
Method of detection
Supply voltage
Current consumption
Sensing
distance
White mat paper
Black mat paper
With accessories
60 cm (1.97 ft) with E39-E8 filter
1 m (3.28 ft) with 2 mm slit
50 cm (1.64 ft) with 1 mm slit
25 cm (9.84 in) with 0.5 mm slit
60 cm (1.97 ft) with 2 mm dia. aperture
17 cm (6.69 in) with 1 mm dia. aperture
4 cm (1.57 in) with 0.5 mm dia. aperture
Pulse modulated red LED (700 nm)
Type
Size
Opaque materials
5.5 mm (0.22 in) dia.
minimum
Light-ON/Dark-ON operation, wire selectable
—
—
!2_
max.
Adjustable, 3/4-turn potentiometer
Not provided
Provided
Provided
Type
Max. load
Max. ON-state
voltage drop
Response time
Circuit protection
Indicators
NPN transistor, open collector (E
3
S-Bj11, E
3
SBj61)
PNP transistor, open collector (E
3
S-Bj31, E
3
SBj81)
100 mA max. at 30 VDC
1 VDC max. at 100 mA load current
0.5 ms max. for both ON and OFF operation
Load short-circuit protection, reverse polarity protection
Emitter:
Operation (red)
Receiver:
Operation (red)
Stability (green)
Lens
Case
Bracket
Mounting
Connections
Weight
g
Enclosure
rating
Ambient
temperature
Prewired
Emitter
Receive
IEC 144
NEMA
Operating
Storage
Denatured polyarylate
Polybutylene terephthalate (PBT)
Stainless steel
Either side surface with one stud and one threaded hole. Bracket E
39
-L71 for horizontal or
E39-L72 for vertical sensors and hardware included.
2 m (6.56 ft) long cable
56 g (1 96 oz)
(1.96
66 g (2.31 oz)
IP
67
4X, 6
-25_ to 55_C (-13_ to 131_F) with no icing
-40_ to 70_C (-40_ to 158_F)
56 g (1 96 oz)
(1.96
—
65 g (2 28 oz)
(2.28
—
Operation (red), Stability (green)
—
—
+30% max., -0%
max.
20% max.
Opaque materials
30 mm (1.18 in) dia.
minimum
Opaque and
transparent objects
10 x 10 cm
(3.94x 3.94 in)
white mat paper
10 to 60 cm with E39-R3
(3.94 to 23.62 in)
7 to 35 cm with E39-R4
(2.76 to 13.78 in)
10 to 20 cm with E39-RSA
(3.94 to 7.87 in)
10 to 30 cm with E39-RSB
(3.94 to 11.81 in)
E
3
S-BTjj
Through-beam
10 to 30 VDC,
!10%
35 mA max. (emitter and receiver)
0 to 2 m
(0 to 6.56 ft)
(
)
25 mA max.
0.1 to 1 m with E39-R1
(0.33 to 3.28 ft)
(
)
0.1 to 20 cm
(0.04 to 7.87 in)
0.2 to 6 cm
(0.08 to 2.36 in)
—
E
3
S-BTjj
Polarized retroreflective
E
3
S-BDjj
Diffuse reflective
Light source
Standard object
Operation mode
Variation in sensing distance
Hysteresis
Variation in optical axis
and mounting direction
Sensitivity
Mutual interference protection
Control output
Materials
3
E3S-B
J
OUTPUT CIRCUIT DIAGRAMS
NPN Output
Through-beam Emitter
E3S-B
PNP Output
Through-beam Emitter
Through-beam Receiver, Retroreflective, Diffuse Reflective
Through-beam Receiver, Retroreflective, Diffuse Reflective
Note: Circuits shown are for Light-ON operation. For Dark-ON operation, the gray wire is connected to the black wire (0 VDC).
IEC colors are shown in parentheses.
Engineering Data
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EXCESS GAIN RATIO
Excess Gain vs. Set Distance (Typical)
E3S-BTj1
j
E3S-BRj1 (with E39-R1 Reflector)
j
E3S-BDj1 (Detection of White Paper)
j
E3S-BDj1 (Detection of Black Paper)
j
4
E3S-B
J
OPERATING RANGE
Parallel Operating Range (Typical)
E3S-BTj1 (Left and Right)
j
E3S-BTj1 (Up and down)
j
E3S-B
Sensing Distance vs. Set Distance
E3S-BTj11
j
E3S-BDj1 (Left and Right)
j
E3S-BDj1 (Up and down)
j
Dimensions
Unit: mm (inch)
J
SENSORS
E
3
S-BT
11
E
3
S-BT
31
Emitter
1
(0.04)
28 (1.10)
Receiver
1
(0.04)
28 (1.10)
Cable
4 mm OD,
2 m length
10
(0.39)
10
(0.39)
12.5
(0.49)
3.1
(0.12)
29 (1.14)
1.3
(0.05)
25 (0.98)
1.5
(0.06)
12.5
(0.49)
29 (1.14)
25.5 (1.00)
1.5
(0.06)
16
(0.63)
22
(0.87)
E39-L71 Mounting bracket
M3 X 8
5
E3S-B
Unit: mm (inch)
E
3
S-BT
61
E
3
S-BT
81
Emitter
16 (0.63)
E3S-B
Receiver
16 (0.63)
10
(0.39)
10
(0.39)
20
(0.79)
19.2
(0.76)
20
(0.79)
19.2
(0.76)
13
(0.51)
12.6
(0.50)
1.3
(0.05)
12.6
(0.50)
13
(0.51)
28
(1.10)
44.8
(1.76)
16
(0.63)
16
(0.63)
E
3
S-BR
11
E
3
S-BR
31
Sensitivity adjuster (white)
1
(0.04)
30.3 (1.19)
10
(0.39)
12.5
(0.49)
29 (1.14)
1
(0.04)
27.8 (1.09)
1.5
(0.06)
16
(0.63)
22
(0.87)
6
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