Sensing method | Through-beam | ||||||
---|---|---|---|---|---|---|---|
Appearance | Rectangular type (Side-view)
|
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NPN
output |
Light-ON | E3T-ST31 | E3T-ST31F | E3T-ST11
E3T-ST11M |
E3T-ST11F
E3T-ST11MF |
E3T-ST21
E3T-ST21M |
E3T-ST21F
E3T-ST21MF |
Dark-ON | E3T-ST32 | E3T-ST32F | E3T-ST12
E3T-ST12M |
E3T-ST12F
E3T-ST12MF |
E3T-ST22
E3T-ST22M |
E3T-ST22F
E3T-ST22MF |
|
PNP
output |
Light-ON | E3T-ST33 | E3T-ST33F | E3T-ST13
E3T-ST13M |
E3T-ST13F
E3T-ST13MF |
E3T-ST23
E3T-ST23M |
E3T-ST23F
E3T-ST23MF |
Dark-ON | E3T-ST34 | E3T-ST34F | E3T-ST14
E3T-ST14M |
E3T-ST14F
E3T-ST14MF |
E3T-ST24
E3T-ST24M |
E3T-ST24F
E3T-ST24MF |
|
Sensing distance | 2 m | 1 m | 300 mm | ||||
Standard sensing
object |
Opaque, 3-mm dia. min. | Opaque, 2-mm dia. min. | |||||
Minimum detectable
object (reference value) |
Opaque, 3-mm dia. | Opaque, 2-mm dia. | |||||
Hysteresis (white
paper) |
--- | ||||||
Black/white error | --- | ||||||
Directional angle | Emitter: 2° to 20°
Receiver: 2° to 70° |
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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) |
|
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 |
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Indicators | Operation indicator (orange), Stability indicator (green) | ||||||
Protection circuits | Power supply and control output reverse polarity protection,
Output short-circuit protection |
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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) |
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Ambient humidity
range |
Operating: 35% to 85%
Storage: 35% to 95% (with no condensation) |
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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/s2 for 0.5 hours each in X, Y, and
Z directions |
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Shock resistance
(destruction) |
1,000 m/s2 3 times each in X, Y, and Z directions | ||||||
Degree of protection *1 | IEC 60529 IP67 | ||||||
Connection method | Pre-wired (standard length: 2 m) | ||||||
Weight (packed state) | Approx. 40 g | ||||||
Materials | Case | PBT (polybutylene terephthalate) | |||||
Display
window |
Denatured polyarylate | ||||||
Lens | Denatured polyarylate | ||||||
Hexagonal
nuts |
--- | ||||||
Toothed
washers |
--- | ||||||
Accessories *2 | Instruction manual, Set screws for mounting (Side-view Sensors: M2 × 14,
Flat Sensors: M2 × 8), Nuts |
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Conformity standards | CE Marking, ISO13849-1 (PLc, cat1) *1 |