Primary Contents

• To use the light of a Photoelectric Sensor through the hole, how large the hole should be?
• Isn't there problem even if two light emitted from Photoelectric Sensor of different place intersects?
• What is "Wavelength of light "?
• When using a Fiber Unit mounted to a movable part, are there models that are less affected by repetitive bending?
• What's the difference between a Reflective Fiber Unit and a Coaxial Reflective Fiber Unit?
• By what principle is the distance-setting Photoelectric Sensor detected?
• Is there a method of simply checking the trouble of a Photoelectric Sensor?
• Can other models of Reflectors be used with Retroreflective Photoelectric Sensors instead of the supplied Reflectors?
• Our Photoelectric Sensors malfunction when the power supply of an inverter motor or other equipment is switched ON or OFF. What's causing this, and what can we do to resolve it?
• What are findings when a Photoelectric Sensor is selected?
• How do the indicators on Photoelectric Sensors operate?
• What is a Photoelectric Sensor?
• What does the reversing polarity of power supply cause?
• What is the difference of NPN transistor output and PNP transistor output of the sensor?
• What is the repeat accuracy for Photoelectric Sensors?
• Is the serial connection possible in a Photoelectric Sensor?
• What is the MSR (Mirror Surface Rejection) function of Retroreflective Photoelectric Sensors?
• With Retroreflective Photoelectric Sensors, is there any change in performance depending on whether the Reflector is placed vertically or horizontally?
• Are Photoelectric Sensors that can be used in locations subject to water available?
• Can a Photoelectric Sensor with an Optical Fiber be used in an explosion-proof area?
• Are Photoelectric Sensors that can be used in water available?
• What is adjusted in the sensitivity setting of a Photoelectric Sensor?
• What are the methods of mutual interference prevention in through-beam photoelectric sensors?
• What happens when direct sunlight strikes to the lens of the receiver?
• By what principle is the limited reflective Photoelectric Sensor detected?
• Can a Photoelectric Sensor be used in outdoor?
• How is the UL standard of the sensor of the DC power system treated?
• The Reflector is fogged up. Is there any way to improve the situation?
• What is the allowable bending radius of coaxial cables or shielded cables for Photoelectric Sensors and Proximity Sensors?
• What are the differences between E39-R1 Reflectors and E39-R1S Reflectors?
• We use Through-beam Photoelectric Sensors and malfunction occasionally occurs. What is the cause of this problem and how can it be corrected?
• Can a Slit and a Mutual Interference Protection Filter be used at the same time with E3S-AT Through-beam Sensors?
• Is it acceptable to wipe off dirt from the lens surface of Photoelectric Sensors with alcohol?
• What role does the Slit play for Through-beam Photoelectric Sensors and how is it used?
• What are the differences between E39-R1 General-purpose Reflectors and E39-R1K Reflectors with anti-fog coating?
• We detect shiny objects using Retroreflective Sensors with the MSR (Mirror Surface Rejection) function, and malfunction occasionally occurs. What is the cause of this problem and how can it be corrected?
• What substitute products are recommended for OA-5 or OA-5N Through-beam Photoelectric Sensors with built-in power supply?
• Are heat-resistant Photoelectric Sensors available?
• Which hole of the Amplifier Unit can the Through-beam Fiber Unit be inserted into?