E3T-SR21 2M Omron, E3T-SR21 2M Datasheet - Page 7
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E3T-SR21 2M
Manufacturer Part Number
E3T-SR21 2M
Description
Industrial Photoelectric Sensors 20cmRetro L/On NPN
Manufacturer
Omron
Type
Photoelectric Sensorr
Datasheet
1.E3T-FT11-D.pdf
(21 pages)
Specifications of E3T-SR21 2M
Features
FAO technology
Sensing Method
Retroreflective
Sensing Distance
10 mm to 200 mm
Light Source
Red LED
Connection
Prewired Cable
Output Configuration
NPN Light ON
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Sensing method
Sensing distance
Standard sensing object
Minimum detectable
object (typical)
Hysteresis (white paper)
Black/white error
Directional angle
Light source (wavelength)
Power supply voltage
Current consumption
Control output
Protection circuits
Response time
Ambient illumination
Ambient temperature range
Ambient humidity range
Insulation resistance
Dielectric strength
Vibration resistance
Shock resistance
Degree of protection
Connection method
Weight
Materials
Accessories
Case
Display window Denatured polyarylate
Lens
5 to 30 mm
(50 × 50 mm white
paper)
---
0.15-mm dia. (sensing distance of 10 mm)
6 mm max.
---
---
Red LED (“Pin-point” LED) λ = 650 nm
12 to 24 VDC ±10%, ripple (p-p) 10% max.
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)
Open-collector output
Light ON: E3T-
Power supply and control output reverse polarity protection
Output short-circuit protection, Mutual interference prevention
Operate or reset: 1 ms max.
Incandescent lamp: 5,000 lx max.
Operating: −25 to 55°C
Operating: 35% to 85%
20 MΩ min. at 500 VDC
1,000 VAC, 50/60 Hz for 1 min
Destruction: 10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s
Destruction: 1,000 m/s
IP67 (IEC60529)
Pre-wired (standard length: 2 m)
Approx. 20 g
PBT (polybutylene terephthalate)
Denatured polyarylate
Instruction manual, Installation Phillips screws (Side-view Models: M2 × 14, Flat Models: M2 × 8), Nuts, Spring
washers, Flat washers
E3T-FD11
E3T-FD12
Diffuse-reflective
NPN
Flat
E3T-FD13
E3T-FD14
PNP
@@@
1 and E3T-
2
E3T-SL11
E3T-SL12
5 to 15 mm
(50 × 50 mm white
paper)
2 mm max.
3 times each in X, Y, and Z directions
NPN
@@@
Convergent-reflective
E3T-SL13
E3T-SL14
PNP
3
Side-view
Sunlight: 10,000 lx max.
Storage: −40 to 70°C (with no icing or condensation)
Storage: 35% to 95% (with no condensation)
Dark ON: E3T-
5 to 30 mm
(50 × 50 mm white
paper)
6 mm max.
E3T-SL21
E3T-SL22
NPN
E3T-SL23
E3T-SL24
@@@
PNP
2 and E3T-
2
for 0.5 hrs each in X, Y, and Z directions
1 to 15mm
(50 × 50 mm white
paper)
0.15-mm dia non-glossy object
(sensing distance of 10 mm)
0.5 mm max.
15% max.
E3T-FL11
E3T-FL12
NPN
@@@
E3T-FL13
E3T-FL14
4
PNP
BGS reflective
Flat
1 to 30mm
(50 × 50 mm white
paper)
2 mm max.
E3T-FL21
E3T-FL22
NPN
E3T-FL23
E3T-FL24
E3T
PNP
7