E3G-ML79T

Long-distance Photoelectric Sensor with Built-in Amplifier

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E3G-ML79T

Distance-setting, Sensing distance 0.2 to 2m, Light-ON/Dark-ON selectable, Relay output, Terminal block models

Sensing method	Distance-setting
Sensing distance	0.2m to 2m (White paper 300 x 300 mm)
Light source	Infrared LED
Control output (Output type)	Relay output
Connection method	Terminal block models

Item list of E3G

Ratings/Performance
Dimensions
Output circuit
Operating range
Setting distance

Ratings/Performance

As of September 9, 2016


Sensing method	Distance-setting
Sensing distance	0.2m to 2m (White paper 300 x 300 mm)
Setting range	0.5 to 2m (White paper 300 x 300 mm)
Spot size	70 mm dia. Max. (At sensing distance of 1 m)
Differential distance	10% Max. of setting distance
Reflectivity characteristic (black-white error)	-10% to 10% Max. (At setting distance of 1 m)
Light source	Infrared LED
Power supply voltage	12 to 240 VDC -10% to 10% (ripple (p-p) 10% Max.) 24 to 240 VAC -10% to 10%
Power consumption	(DC) 2 W Max. (AC) 2W Max.
Control output (Output type)	Relay output
Control output (Load current)	0 to 3 A
Life expectancy (relay output)	Electrical: 100 thousand times or more (switching frequency 1800 times/hour) Mechanical: 50 million times or more (switching frequency 18000 times/hour)
Operation mode	Light-ON/Dark-ON selectable
Load power supply voltage	30 VDC Max. 250 VAC
Protective circuit	Mutual interference prevention
Response time	30 ms Max.
Sensitivity setting	Teaching method
Timer function	ON/OFF-delay0s to 5s
Ambient illuminance	Incandescent lamp: 3000 lux Max., Sunlight: 10000 lux Max.
Ambient temperature	Operating: -25 to 55℃ Storage: -30 to 70℃ (with no icing or condensation)
Ambient humidity	Operating: 35 to 85% Storage: 35 to 95% (with no icing or condensation)
Insulation resistance	20 MOhm Min. at 500 VDC between charged parts and the case
Dielectric strength	2000 VAC at 50/60 Hz for 1 minute between charged parts and the case
Vibration resistance	10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance	500 m/s**2 for 3 times each in X, Y, and Z directions
Degree of protection	IEC60529: IP67
Connection method	Terminal block models
Indicator	Operation indicator (orange), Stability indicator (green)
Tightening torque	1.2 N・m Max. (with M4 screw)
Material (case)	PBT
Material (lens)	Methacrylate resin
Material (cover)	Polyethyl sulfon
Accessories	Instruction manual, Adjustment driver