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E3G

Long-distance Photoelectric Sensor with Built-in Amplifier

E3G

Line of Long-distance Photoelectric Sensors for Large Workpieces Includes Retroreflective Models with Sensing Distance of 10 m and Distance Settings Up to 2 m.

Sensing method Retro-reflective (with MSR function) Distance-setting
Model E3G-R13 E3G-R17 E3G-MR19 E3G-MR19T E3G-L73 E3G-L77 E3G-ML79 E3G-ML79T
Sensing distance 10 m (500 mm) *1 (when using E39-R2) White paper (300 x 300 mm): 0.2 to 2 m
Setting distance --- White paper (300 x 300 mm): 0.5 to 2 m
Standard
sensing object
Opaque: 80-mm dia. min. ---
Differential travel --- 10% of setting distance
Directional angle Sensor: 1° to 5° ---
Reflectivity
characteristics
(black/
white error)
--- ±10% max. (at 1-m sensing distance)
Light source
(wavelength)
Red LED (650 nm) Infrared LED (860 nm)
Spot size --- 70 dia. max. (at 1-m sensing distance)
Power supply
voltage
10 to 30 VDC,
ripple (p-p): 10%
12 to 240 VDC±10%,
ripple (p-p): 10% max.
24 to 240 VAC±10% at
50/60 Hz
10 to 30 VDC,
ripple (p-p): 10% (p-p)
12 to 240 VDC±10%,
ripple (p-p): 10% max.
24 to 240 VAC±10% at
50/60 Hz
Current/Power
consumption
50 mA max. 2 W max. 60 mA max. 2 W max.
Control output Load power supply
voltage: 30 VDC max.
Load current: 100 mA
max.
Residual voltage:
NPN output: 1.2 V max.
PNP output: 2.0 V max.
Open collector output
(NPN/PNP selectable)
L.ON/D.ON selectable
Relay output: SPDT, 3 A
(cosΦ = 1) max. at 250 VAC
or 3 A max. at 30 VDC
L.ON/D.ON selectable
Load power supply
voltage: 30 VDC max.
Load current: 100 mA
max.
Residual voltage:
NPN output: 1.2 V max.
PNP output: 2.0 V max.
Open collector output
(NPN/PNP selectable)
L.ON/D.ON selectable
Relay output: SPDT, 3 A
(cosΦ = 1) max. at 250 VAC
or 3 A max. at 30 VDC
L.ON/D.ON selectable
Life
expect-
ancy
(relay
output)
Me-
chani-
cal
--- 50,000,000 operations min.
(switching frequency:
18,000 operations/h)
--- 50,000,000 operations min.
(switching frequency:
18,000 operations/h)
Electri-
cal
--- 100,000 operations min.
(switching frequency:
1,800 operations/h)
--- 100,000 operations min.
(switching frequency:
1,800 operations/h)
Protection
circuits
Power supply reverse
polarity protection,
Output short-circuit
protection, Mutual
interference prevention
Mutual interference
prevention
Power supply reverse
polarity protection,
Output short-circuit
protection, Mutual
interference prevention
Mutual interference
prevention
Response time Operate or reset: 1 ms Operate or reset: 30 ms max. Operate or reset: 5 ms Operate or reset: 30 ms max.
Sensitivity
adjustment
One-turn adjuster Teaching (in NORMAL or ZONE mode)
Timer function --- ON- or OFF-
delay : 0 to 5 s
(adjustable)
--- ON- or OFF-
delay : 0 to 5 s
(adjustable)
Ambient
illumination
(Receiver side)
Incandescent lamp: 3,000 lx max.
Sunlight: 10,000 lx max.
Ambient
temperature
range
Operating: -25° to 55°C, Storage: -30° 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
1,000 VAC,
50/60 Hz for 1 min
2,000 VAC,
50/60 Hz for 1 min.
1,000 VAC,
50/60 Hz for 1 min
2,000 VAC,
50/60 Hz for 1 min.
Vibration
resistance
Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance Destruction: 500 m/s2 3 times each in X, Y, and Z directions
Degree of
protection
IEC 60529 IP67 (with protective cover)
Connection
method
Pre-wired
(Standard
length: 2 m)
Connector
(M12)
Terminal block Pre-wired
(Standard
length: 2 m)
Connector
(M12)
Terminal block
Weight
(packed state)
Approx.
150 g
Approx.
50 g
Approx. 150 g Approx.
50 g
Approx. 150 g
Mate-
rial
Case PBT (polybutylene terephthalate)
Lens Mechacrylic resin
Accessories *2 Reflector, Adjustment screwdriver, and Instruction
manual
Adjustment screwdriver and Instruction manual

*1. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.
*2. Mounting Brackets are sold separately.