6
E3T
Ratings and Specifications
*1.Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
*2. Only the Instruction Manua l is included with an M3-mounting Sensor (E3T-ST@@M). Order the Set of Mount ing Screws separately if required.
Sensing method Through-beam
Retro-reflective (without M.S.R. function)
Appearance
Item
Rectangular type (Side-view) Rectangular type (Flat) Cylindrical
type
(Top-view)
Cylindrical
type
(Side-view) Rectangular type
(Side-view)
NPN
output
Light-ON E3T-ST31 E3T-ST11
E3T-ST11M E3T-ST21
E3T-ST21M E3T-FT11 E3T-FT21 --- --- E3T-SR41
Dark-ON E3T-ST32 E3T-ST12
E3T-ST12M E3T-ST22
E3T-ST22M E3T-FT12 E3T-FT22 E3T-CT12 E3T-CT22S E3T-SR42
PNP
output
Light-ON E3T-ST33 E3T-ST13
E3T-ST13M E3T-ST23
E3T-ST23M E3T-FT13 E3T-FT23 --- --- E3T-SR43
Dark-ON E3T-ST34 E3T-ST14
E3T-ST14M E3T-ST24
E3T-ST24M E3T-FT14 E3T-FT24 E3T-CT14 E3T-CT24S E3T-SR44
Sensing distance 2 m 1 m 300 mm 500 mm 300 mm 1 m 500 mm 200 mm [30 mm] *1 (Using the E39-R4)
100 mm [10 mm] *1 (Using the E39-R37-
CA)
Standard sensing object Opaque, 3-
mm dia.
min. Opaque, 2-mm dia. min. Opaque, 1.3-mm dia. min. Opaque, 4-
mm dia. min. Opaque, 5-
mm dia. min. Opaque, 27-mm dia. min.
Minimum detectable object
(typical) Opaque, 3-
mm dia. Opaque, 2-mm dia. Opaque, 1.3-mm dia. --- 2-mm dia. (Sensing distance 100 mm)
Hysteresis (white paper) ---
Black/white error ---
Directional angle Emitter: 2 to 20°
Receiver: 2 to 70°Emitter: 3 to 25°
Receiver: 3° min. Receiver: 2°Receiver: 10°2 to 20°
Light source (wavelength) Red LED (650 nm) Red LED
(630 nm) Red LED
(625 nm) Red LED (650 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.) 30 mA max. (Emitter 15 mA
max., Receiver 15 mA max.) 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
Load power supply voltage:
30 VDC max.
Load current: 80 mA max.
(residual voltage: 1 V max.)
Open-collector output
Load power supply voltage: 26.4 VDC
max.
Load current: 50 mA max. (residual volt-
age: 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 Power supply reverse polarity
protection,
Output short-circuit protection
Power supply and control output reverse
polarity protection, Output short-circuit
protection,
Mutual interference prevention
Response time Operate or reset: 1 ms max. Operate or reset: 0.5 ms max. Operate or reset: 1 ms max.
Ambient illumination Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max. Incandescent lamp: 3,000 lx
max. Incandescent lamp: 5,000 lx max., Sun-
light: 10,000 lx max.
Ambient temperature
range Operating: −25 to +55°C
Storage: −40 to +70°C
(with no icing or condensation)
Operating: −25 to +55°C
Storage: −30 to +70°C
(with no icing or condensa-
tion)
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) Operating or Storage: 35% to
+85% (with no condensation) 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. AC500V, 50/60 Hz for 1 min. AC1,000V, 50/60 Hz for 1 min.
Vibration resistance
(destruction) 10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s2 for 0.5 hours each
in X, Y, and Z directions 10 to 55Hz, 1.5-mm double
amplitude for 2 hours each in
X, Y, and Z directions
10 to 2,000 Hz, 1.5-mm double ampli-
tude or 300 m/s2 for 0.5 hours each in X,
Y, and Z directions
Shock resistance
(destruction) 1,000 m/s2 3 times each in X, Y, and Z directions 500 m/s2 3 times each in X, Y,
and Z directions 1,000m/s2 3 times each in X, Y, and Z di-
rections
Degree of protection IP67 (IEC 60529) IP65 (IEC 60529) IP67 (IEC 60529)
Connection method Pre-wired (standard length: 2 m)
Weight (packed state) Approx. 40 g Approx. 60 g Approx. 20 g
Materi-
als
Case PBT (polybutylene terephthalate) SUS303 PBT (polybutylene terephthalate)
Display window Denatured polyarylate Polysulfone Denatured polyarylate
Lens Denatured polyarylate Polysulfone Methacrylc resin
Hexagonal nuts --- SUS303 ---
Toothed wash-
ers --- SUS303 ---
Accessories *2 Instruction manual, Phillips screws (Side-view Sensors: M2 × 14, Flat
Sensors: M2 × 8), Nuts, Spring washers, Flat washers *2 Instruction manual, Hexago-
nal nuts, Toothed washers
Instruction manual, Phillips screws
(M2×14),
Nuts, Spring washers, Flat washers,
E39-R4 (E3T-SR4@ only),
E39-R37-CA (E3T-SR4@-S only)