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Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Sensors > Photoelectric Sensors / Laser Sensors > Adjustable Range Reflective Photoelectric Sensor EQ-30 > Cautions For Use

Adjustable Range Reflective Photoelectric Sensor EQ-30

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Discontinuation plan

	September 30, 2024

Sensing characteristics

Cautions For Use

Never use this product as a sensing device for personnel protection.
In case of using sensing devices for personnel protection, use products which meet laws and standards, such as OSHA, ANSI or IEC etc., for personnel protection applicable in each region or country.

Stability indicator

Since the EQ-30 series uses a 2-segment photodiode as its receiving element, and sensing is done based on the difference in the incident beam angle of the reflected beam from the sensing object, the output and the operation indicator operate according to the object distance.
Further, the stability indicator shows the margin of the incident light intensity and not that of the object distance.
Hence, the distance at which it lights up/off depends on the object reflectivity and is not at all related to the output operation. Do not use the sensor when the stability indicator is off (unstable light received condition), since the sensing will be unstable.

Others

Do not use during the initial transient time (50 ms) after the power supply is switched on.
When connecting the mating cable to the plug-in connector type, the tightening torque should be 0.4 N·m or less.

Mounting

The tightening torque should be 0.8 N·m or less.

Care must be taken regarding the sensor mounting direction with respect to the object’s direction of movement.



Do not make the sensor detect an object in this direction because it may cause unstable operation.

When detecting a specular object (aluminum or copper foil) or an object having a glossy surface or coating, please take care that there are cases when the object may not be detected due to a small change in angle, wrinkles on the object surface, etc.
When a specular body is present below the sensor, use the sensor by tilting it slightly upwards to avoid wrong operation.

If a specular body is present in the background, wrong operation may be caused due to a small change in the angle of the background body. In that case, install the sensor at an inclination and confirm the operation with the actual sensing object.
Take care that some objects may produce a dead zone right (less than 0.1 m 0.328 ft) in front of the sensor.

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