Datasheet

E3T
5
Ratings and Specifications
* Only the Instruction Manual is included with an M3-mounting Sensor (E3T-ST@@M(F)). Order the Set of Mounting Screws separately if required.
Sensing method Through-beam
Appearance
Item
Rectangular type (Side-view)
Rectangular type (Flat)
NPN
output
Light-ON E3T-ST31 E3T-ST31F
E3T-ST11
E3T-ST11M
E3T-ST11F
E3T-ST11MF
E3T-ST21
E3T-ST21M
E3T-ST21F
E3T-ST21MF
E3T-FT11 E3T-FT11F E3T-FT21 E3T-FT21F
Dark-ON E3T-ST32 E3T-ST32F
E3T-ST12
E3T-ST12M
E3T-ST12F
E3T-ST12MF
E3T-ST22
E3T-ST22M
E3T-ST22F
E3T-ST22MF
E3T-FT12 E3T-FT12F E3T-FT22 E3T-FT22F
PNP
output
Light-ON E3T-ST33 E3T-ST33F
E3T-ST13
E3T-ST13M
E3T-ST13F
E3T-ST13MF
E3T-ST23
E3T-ST23M
E3T-ST23F
E3T-ST23MF
E3T-FT13 E3T-FT13F E3T-FT23 E3T-FT23F
Dark-ON E3T-ST34 E3T-ST34F
E3T-ST14
E3T-ST14M
E3T-ST14F
E3T-ST14MF
E3T-ST24
E3T-ST24M
E3T-ST24F
E3T-ST24MF
E3T-FT14 E3T-FT14F E3T-FT24 E3T-FT24F
Sensing distance 2 m 1 m 300 mm 500 mm 300 mm
Standard sensing object Opaque, 3-mm dia. min. Opaque, 2-mm dia. min. Opaque, 1.3-mm dia. min.
Minimum detectable object
(reference value)
Opaque, 3-mm dia. Opaque, 2-mm dia. Opaque, 1.3-mm dia.
Hysteresis (white paper) ---
Black/white error ---
Directional angle
Emitter: 2° to 20°
Receiver: 2° to 70°
Emitter: 3° to 25°
Receiver: 3° min.
Light source (wavelength)
Red LED
(650 nm)
Infrared LED
(860 nm)
Red LED
(650 nm)
Infrared LED
(860 nm)
Red LED
(650 nm)
Infrared LED
(860 nm)
Red LED
(650 nm)
Infrared LED
(860 nm)
Red LED
(650 nm)
Infrared LED
(860 nm)
Power supply voltage 12 to 24 VDC ±10%, ripple (p-p) 10% max.
Current consumption 30 mA max. (Emitter 10 mA max., Receiver 20 mA max.)
Control output
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)
Open-collector output
Protection circuits
Power supply and control output reverse polarity protection,
Output short-circuit protection
Response time Operate or reset: 1 ms max.
Ambient illumination Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.
Ambient temperature
range
Operating: −25 to 55°C
Storage: −40 to 70°C
(with no icing or condensation)
Ambient humidity range
Operating: 35% to 85%
Storage: 35% to 95%
(with no condensation)
Insulation resistance 20 MΩ min. at 500 VDC
Dielectric strength AC1,000V, 50/60 Hz for 1 min.
Vibration resistance
(destruction)
10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s
2
for 0.5 hours each in X, Y, and Z directions
Shock resistance
(destruction)
1,000 m/s
2
3 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP67
Connection method Pre-wired (standard length: 2 m)
Weight (packed state) Approx. 40 g
Materi-
als
Case PBT (polybutylene terephthalate)
Display window Denatured polyarylate
Lens Denatured polyarylate
Hexagonal nuts ---
Toothed wash-
ers
---
Accessories
*
Instruction manual, Set screws for mounting (Side-view Sensors: M2 × 14, Flat Sensors: M2 × 8), Nuts