When using Through-beam Sensors (E3T-ST@@, E3T-FT@@), order one Bracket for the Emitter and one for the Receiver.
*2.
Order two Sets, one for the Emitter and one for the Receiver, for Through-beam Sensors (E3T-ST@@ or E3T-FT@@).
This is the Screw Set for mounting the Sensor to the Mounting Bracket. Order this Set if you lose the screws. Do not use this Screw Set to mount the Mounting
Bracket to the equipment.
*3.
This is included with the Sensor.
3
E3T
Accessories for M3-mounting Sensors
These accessories are not included with the Sensor. Order them separately if required.
Name
Applicable
Sensor
E3T-ST1@M@
0.5
dia.
E3T-ST2@M@
Slits for Through-beam
Side-view Sensors
E3T-ST1@M@
1 dia.
E3T-ST2@M@
Mounting Bracket for Side-view
Sensors
*1
Mounting Bracket for Flat Sensors
Back-mounting Spacer for Flat Sen-
sors
E3T-FD@@M
E39-L168
E39-L170
2
---
SUS Screw Set for Side-view Sen-
E3T-S@@@M@
sors
*2*3
E39-L171
2 for each
Material: SUS304
Contents: Bolt with hexagonal hole (M3×15), Hex-
agonal nuts, Spring washers, Flat washers
E3T-S@@@M@
E39-L166
E39-L167
1
24
E39-S76B
E39-S76A
2
(One each for
Emitter and
Receiver)
Model
Quantity
Dimensions
page
Remarks
Sensing distance 100 mm,
Minimum detectable object (reference value)
0.5-mm dia.
Sensing distance 30 mm,
Minimum detectable object (reference value)
0.5-mm dia.
Sensing distance 300 mm,
Minimum detectable object (reference value)
1-mm dia.
Sensing distance 100 mm,
Minimum detectable object (reference value)
1-mm dia.
Nut plate provided
---
Use this Spacer when mounting a Flat Sensor
(E3T-FD@@M) from the back.
Material: SUS304
Contents: Bolt with hexagonal hole (M3×6)
21
SUS Screw Set for Flat Sensors
*2
E3T-FD@@M
*1.When
using Through-beam Sensors (E3T-ST@@M@), order one Bracket for the Emitter and one for the Receiver.
*2.
This is the Screw Set for mounting the Sensor to the Mounting Bracket. Order this Set if you lose the screws. Do not use this Screw Set to mount the Mounting
Bracket to the equipment.
*3.
Order two Sets, one for the Emitter and one for the Receiver, for Through-beam Sensors (E3T-ST@@M@).
Accessories for Small Cylindrical Sensors
Name
SUS Nut Set for Through-beam
Sensors
*1
Applicable
Sensor
E3T-CT@@
E3T-CT@@S
E39-M5
Model
Quantity
4 (Hexagonal
nuts),
2 (Toothed
washers)
2 (Hexagonal
nuts),
1(Toothed
washers)
1
---
Dimensions
Page
Remarks
Material: SUS303
(Same type as provided with the Sensor.)
SUS Nut Set for Diffuse-reflective
Sensors
Adjustment Driver for Diffuse-reflec-
tive Sensors
E39-M6
E3T-CD@@
E39-G17
This Driver is used to turn the sensitivity adjuster.
Provided with E3T-CD@@
*1.This
Nut Set is for the Emitter/Receiver. This is the Nut Set for mounting the Sensor. Order this Set if you lose the screws.
Accessories for All Sensors
Name
Applicable
Sensor
E3T-SR4@
Small Reflectors
(for Retro-reflective Sensors)
E3T-SR4@-S
E39-R37-CA
*2
1
E39-RS1-CA
*2
Tape Reflectors
(for Retro-reflective Sensors)
E3T-SR4@-C
E39-RS2-CA
*2
E39-RS3-CA
*2
*1.Values
in parentheses indicate the minimum required distance between the Sensor and Reflector.
*2.
The E3T-SR4@ cannot be used with the E39-R37 or E39-RS1/2/3 (without CA) Tape Reflectors.
The E39-@-CA Reflector is for use only with the E3T-SR4@. It cannot be used with other Sensors.
21
E39-R4
20
Model
Quantity
Dimensions
Page
Remarks
Sensing distance 200 mm [30 mm]
*1
Minimum detectable object 2-mm dia.
Provided with the E3T-SR4@
Sensing distance 100 mm [10 mm]
*1
Minimum detectable object 2-mm dia.
Provided with the E3T-SR4@-S
Sensing distance 100 mm [10 mm]
*1
Minimum detectable object 2-mm dia.
Use Tape Reflectors in combination
with the E3T-SR4@-C, which
does not come with a Reflector.
4
E3T
Ratings and Specifications
Sensing method
Appearance
Rectangular type (Side-view)
Through-beam
Rectangular type (Flat)
Item
NPN
output
Light-ON
Dark-ON
Light-ON
Dark-ON
E3T-ST31
E3T-ST32
E3T-ST33
E3T-ST34
2m
Opaque, 3-mm dia. min.
Opaque, 3-mm dia.
---
---
Emitter: 2° to 20°
Receiver: 2° to 70°
Red LED
(650 nm)
Infrared LED
(860 nm)
Red LED
(650 nm)
Infrared LED
(860 nm)
Red LED
(650 nm)
Infrared LED
(860 nm)
Emitter: 3° to 25°
Receiver: 3° min.
Red LED
(650 nm)
Infrared LED Red LED
(860 nm)
(650 nm)
Infrared LED
(860 nm)
E3T-ST31F
E3T-ST32F
E3T-ST33F
E3T-ST34F
E3T-ST11
E3T-ST11F
E3T-ST11M E3T-ST11MF
E3T-ST12
E3T-ST12F
E3T-ST12M E3T-ST12MF
E3T-ST13
E3T-ST13F
E3T-ST13M E3T-ST13MF
E3T-ST14
E3T-ST14F
E3T-ST14M E3T-ST14MF
1m
Opaque, 2-mm dia. min.
Opaque, 2-mm dia.
E3T-ST21
E3T-ST21F
E3T-ST21M E3T-ST21MF
E3T-ST22
E3T-ST22F
E3T-ST22M E3T-ST22MF
E3T-ST23
E3T-ST23F
E3T-ST23M E3T-ST23MF
E3T-ST24
E3T-ST24F
E3T-ST24M E3T-ST24MF
300 mm
E3T-FT11
E3T-FT12
E3T-FT13
E3T-FT14
500 mm
Opaque, 1.3-mm dia. min.
Opaque, 1.3-mm dia.
E3T-FT11F
E3T-FT12F
E3T-FT13F
E3T-FT14F
E3T-FT21
E3T-FT22
E3T-FT23
E3T-FT24
300 mm
E3T-FT21F
E3T-FT22F
E3T-FT23F
E3T-FT24F
PNP
output
Sensing distance
Standard sensing object
Minimum detectable object
(reference value)
Hysteresis (white paper)
Black/white error
Directional angle
Light source (wavelength)
Power supply voltage
Current consumption
Control output
Indicators
Protection circuits
Response time
Ambient illumination
Ambient temperature
range
Ambient humidity range
Insulation resistance
Dielectric strength
Vibration resistance
(destruction)
Shock resistance
(destruction)
Degree of protection
Connection method
Weight (packed state)
Case
Display window
Materi-
als
Lens
Hexagonal nuts
Toothed wash-
ers
Accessories
*
12 to 24 VDC
±10%,
ripple (p-p) 10% max.
30 mA max. (Emitter 10 mA max., Receiver 20 mA max.)
Load power supply voltage: 26.4 VDC max.
Load current: 50 mA max. (residual voltage: 2 V max. for load current of 10 to 50 mA, 1 V max. for load current of less than 10 mA)
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