E3T-ST12 Photoelectric Switch NEW

Sensing method

Through-beam

Retro-reflective

(without M.S.R.

function)

NPN

Light-ON

E3T-ST31

E3T-ST11

E3T-ST21

E3T-FT11

E3T-FT21

---

---

E3T-SR41

output

E3T-ST11M

E3T-ST21M

Dark-ON

E3T-ST32

E3T-ST12

E3T-ST22

E3T-FT12

E3T-FT22

E3T-CT12

E3T-CT22S

E3T-SR42

E3T-ST12M

E3T-ST22M

PNP

Light-ON

E3T-ST33

E3T-ST13

E3T-ST23

E3T-FT13

E3T-FT23

---

---

E3T-SR43

output

E3T-ST13M

E3T-ST23M

Dark-ON

E3T-ST34

E3T-ST14

E3T-ST24

E3T-FT14

E3T-FT24

E3T-CT14

E3T-CT24S

E3T-SR44

E3T-ST14M

E3T-ST24M

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

Opaque, 3-

Opaque, 2-mm dia. min.

Opaque, 1.3-mm dia. min.

Opaque, 4-

Opaque, 5-

Opaque, 27-mm dia.

object

mm dia. min.

mm dia. min.

mm dia. min.

min.

Minimum detectable

Opaque, 3-

Opaque, 2-mm dia.

Opaque, 1.3-mm dia.

---

2-mm dia. (Sensing

object (typical)

mm dia.

distance 100 mm)

Hysteresis

---

(white paper)

Black/white error

---

Directional angle

Emitter: 2 to 20°

Emitter: 3 to 25°

Receiver: 2°

Receiver: 10°

2 to 20°

Receiver: 2 to 70°

Receiver: 3° min.

Light source

Red LED (650 nm)

Red LED

Red LED

Red LED (650 nm)

(wavelength)

(630 nm)

(625 nm)

Power supply

12 to 24 VDC ±10%, ripple (p-p) 10% max.

voltage

Current

30 mA max. (Emitter 10 mA max., Receiver 20 mA max.)

30 mA max. (Emitter 15 mA

20 mA max.

consumption

max., Receiver 15 mA max.)

Control output

Load power supply voltage: 26.4 VDC max.

Load power supply voltage:

Load power supply

Load current: 50 mA max. (residual voltage: 2 V max. for load

30 VDC max.

voltage: 26.4 VDC

current of 10 to 50 mA, 1 V max. for load current of less than

Load current: 80 mA max.

max.

10 mA)

(residual voltage: 1 V max.)

Load current: 50 mA

Open-collector output

Open-collector output

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,

Power supply reverse

Power supply and

Output short-circuit protection

polarity protection,

control output reverse

Output short-circuit

polarity protection,

protection

Output short-circuit

protection, Mutual

interference

prevention

Response time

Operate or reset: 1 ms max.

Operate or reset: 0.5 ms

Operate or reset:

max.

1 ms max.

Ambient illumination

Incandescent lamp: 5,000 lx max., Sunlight: 10,000 lx max.

Incandescent lamp:

Incandescent lamp:

3,000 lx max.

5,000 lx max.,

Sunlight: 10,000 lx

max.

Ambient

Operating: -25 to +55°C

Operating: -25 to +55°C

Operating: -25 to +55°C

temperature range

Storage: -40 to +70°C

Storage: -30 to +70°C

Storage: -40 to +70°C

(with no icing or condensation)

(with no icing or

(with no icing or

condensation)

condensation)

Ambient humidity

Operating: 35% to +85%

Operating or Storage: 35%

Operating: 35% to +85%

range

Storage: 35% to +95%

to +85%

Storage: 35% to +95%

(with no condensation)

(with no condensation)

(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

10 to 2,000 Hz, 1.5-mm double amplitude or 300 m/s2 for 0.5

10 to 55Hz, 1.5-mm double

10 to 2,000 Hz, 1.5-

(destruction)

hours each in X, Y, and Z directions

amplitude for 2 hours each

mm double amplitude

in X, Y, and Z directions

or 300 m/s2 for 0.5

hours each in X, Y,

and Z directions

Shock resistance

1,000 m/s2 3 times each in X, Y, and Z directions

500 m/s2 3 times each in

1,000m/s2 3 times

(destruction)

X, Y, and Z directions

each in X, Y, and Z

directions

Degree of protection

IP67 (IEC 60529)

IP65 (IEC 60529)

IP67 (IEC 60529)

Connection method

Pre-wired (standard length: 2 m)

Weight

Approx. 40 g

Approx. 60 g

Approx. 20 g

(packed state)

Materials

Case

PBT (polybutylene terephthalate)

SUS303

PBT (polybutylene

terephthalate)

Display

Denatured polyarylate

Polysulfone

Denatured polyarylate

window

Lens

Denatured polyarylate

Polysulfone

Methacrylc resin

Hexagonal

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SUS303

---

nuts

Toothed

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SUS303

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washers

Accessories *2

Instruction manual,

Instruction manual,

Instruction manual,

Phillips screws (Side-view Sensors: M2 × 14,

Hexagonal nuts,

Phillips screws (M2 ×

Flat Sensors: M2 × 8), Nuts, Spring washers,

Toothed washers

14), Nuts, Spring

Flat washers *2

washers, Flat

washers, E39-R4

(E3T-SR4[] only),

E39-R37-CA

(E3T-SR4[]-S only)