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Main > Product Type > Sensing > Photoelectric Sensors

Photoelectric Sensors

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	What Is "Wavelength Of Light"? Light is a kind of electromagnetic wave and has various wavelengths such as visible light, invisible ultraviolet light and infrared light Light source used for photoelectri Last Modified - 2014-06-06 - Similar Articles
	Is There A Way To Check Any Problems Within The Photoelectric Sensor? With a tester, it is possible to check the equipment simply. Using the following methods with the tester you can check whether the control ou Last Modified - 2009-10-23 - Similar Articles
	What Is Adjusted In The Sensitivity Setting Of A Photoelectric Sensor? The amount of light emitted or the amount of light received are adjusted, and the sensing distance is set. (The E3X auto tuning type is excluded.) (1) Through-beam The am Last Modified - 2009-10-23 - Similar Articles
	What Are The Findings When A Photoelectric Sensor Is Selected? Last Modified - 2009-10-23 - Similar Articles
	Is A Serial Connection Possible In A Photoelectric Sensor? No, it's not. When photoelectric sensor 1 is turned on, the voltage is supplied to photoelectric sensor 2 in the above figure. At this time, inrush current I2 Last Modified - 2009-10-23 - Similar Articles
	What Happens When Direct Sunlight Strikes The Lens Of The Receiver? The sunlight deletes the received light signal of the emitter and the sensor is then light shielding when direct sunlight strikes the receiver. Additionally, even if the ligh Last Modified - 2009-10-23 - Similar Articles
	How Do The Indicators On Photoelectric Sensors Operate? There is a stability indicator (green) and an incident light indicator (red). There are four operation patterns depending on the amount of incident light. Stability Indicat Last Modified - 2009-10-23 - Similar Articles
	Are Photoelectric Sensors That Can Be Used In Water Available? Yes. It is possible to use E32-series Optical Fiber Photoelectric Sensors, which have no electric components. Usage, however, is restricted by the model. Refer to the followin Last Modified - 2009-10-23 - Similar Articles
	What Is The Repeat Accuracy For Photoelectric Sensors? The accuracy depends on whether the Sensors are Through-beam or Reflective Sensors. The following table provides a general guide. Note: 1.The values for accur Last Modified - 2009-10-23 - Similar Articles
	By What Principle Is The Limited Reflective Photoelectric Sensor Detected? In the optical system of the limited reflective sensor, only the regular reflection of a certain limited distance is received because the emitter axis intersects with a receiv Last Modified - 2009-10-23 - Similar Articles
	To Use The Light Of A Photoelectric Sensor Through The Hole, How Large The Hole Should Be? Make the hole the same size as the lens diameter. See the following to see how this does also depend on the sensing method used. 1. To use light through a hole Make hole Last Modified - 2009-10-23 - Similar Articles
	What Are The Methods Of Mutual Interference Prevention In Through-Beam Photoelectric Sensors? For mutual interference prevention: The light of the other sensor must not enter its own receiver. Prevention methods are as follows. Setting& Last Modified - 2009-10-23 - Similar Articles
	Are Heat-Resistant Photoelectric Sensors Available? Yes, Fiber-type Photoelectric Sensors are available with heat resistance specifications. The heat resistance specifications, however, apply to Fiber Units only, and not to Amp Last Modified - 2009-10-23 - Similar Articles
	How Does Retroreflective Photoelectric Sensor Orientation Affect Performance? There is almost no change in ratings and performance. Explanation: The measurement values for Retroreflective Sensors in the catalog are for measurements with the Reflec Last Modified - 2016-05-13 - Similar Articles
	What Role Does The Slit Play For Through-Beam Photoelectric Sensors And How Is It Used? The Slit is mounted on the transmitter and receiver of Through-beam Photoelectric Sensors to decrease the lens diameter and narrow the light beam. This is done to increase the Last Modified - 2009-10-23 - Similar Articles
	We Detect Shiny Objects Using Retroreflective Sensors With The MSR (Mirror Surface Rejection) Function, And A Malfunction Occasionally Occurs. What Is The Cause Of This Problem And How Can It Be Corrected? Retroreflective Sensors normally have the MSR function, and so shiny sensing objects can also be detected. Perform a test before using Sensors for sensing objects with an extr Last Modified - 2009-10-23 - Similar Articles
	What Are The Differences Between E39-R1 Reflectors And E39-R1S Reflectors? E39-R1S has better reflection efficiency and directionality than E39-R1, so more light returns to the receiver, which enables a longer sensing distance. For reference, the se Last Modified - 2009-10-23 - Similar Articles
	We Use Through-Beam Photoelectric Sensors And Occasionally They Malfunction. What Is The Cause Of This Problem And How Can It Be Corrected? The optical axis may have changed because of vibration or shock. If the sensors have a sensitivity adjuster, perform the following procedure to adjust the optical axis. Last Modified - 2009-10-23 - Similar Articles
	What Is The MSR (Mirror Surface Rejection) Function Of Retroreflective Photoelectric Sensors? MSR is a function of Retroreflective Photoelectric Sensors used to receive only the light reflected from the Retroreflector by using the characteristics of the polarizing Last Modified - 2009-10-23 - Similar Articles
	What Is A Photoelectric Sensor? A photoelectric sensor detects a presence and the state of the object by the change in light. The amount of light (luminance) is converted to an electrical signal. Within Last Modified - 2009-10-23 - Similar Articles
	Can A Slit And A Mutual Interference Protection Filter Be Used At The Same Time With E3S-AT Through-Beam Sensors? No, they cannot. If they are used at the same time, the Slit will become tilted, and the sensing distance will be extremely short. Do not use them at the same time. Last Modified - 2009-10-23 - Similar Articles
	Are Photoelectric Sensors That Can Be Used In Locations Subject To Water Available? Using models that provide an IP67 degree of protection is recommended. Explanation: Items with an IP67 degree of protection satisfy the level of protection defined by IEC Last Modified - 2009-10-23 - Similar Articles
	The Reflector Is Fogged Up. Is There Any Way To Improve The Situation? Use E39-R1K Reflectors with a anti-fog coating. Regular Reflectors become fogged up when the temperature changes from -5°C to room temperature. Reflectors with anti-fog Last Modified - 2009-10-23 - Similar Articles
	Is It Acceptable To Wipe Off Dirt From The Lens Surface Of Photoelectric Sensors With Alcohol? No, it is not. The lens of the Photoelectric Sensors are basically plastic. Do not use organic solvents, such as thinners or alcohol, to wipe the surface. The lens surface Last Modified - 2009-10-23 - Similar Articles
	What Are The Differences Between E39-R1 General-Purpose Reflectors And E39-R1K Reflectors With Anti-Fog Coating? E39-R1K Reflectors are the same as E39-RQ, except they have an anti-fog coating added to the reflective surface. The anti-fog effect of the coating is similar to that used by Last Modified - 2009-10-23 - Similar Articles
	By What Principle Is The Distance-Setting Photoelectric Sensor Detected? PSD and the dual photodiode are used for the light receiving element and the distance to the sensing object is judged by detecting the reflected light spot position on the lig Last Modified - 2009-10-23 - Similar Articles
	Isn't There A Problem If Two Lights Emitted From Photoelectric Sensors Of Different Places Intersect? There is no problem at all. Last Modified - 2009-10-23 - Similar Articles
	Can Other Models Of Reflectors Be Used With Retroreflective Photoelectric Sensors Instead Of The Supplied Reflectors? Yes, these Reflectors can be used: E39-R1, E39-R1S, E39-R2, E39-R3, E39-R9, E39-R10, E39-RS1, E39-RS2, and E39-RS3. However, this does not apply to Photoelectric Sensors fo Last Modified - 2009-10-23 - Similar Articles
	What Substitute Products Are Recommended For OA-5 Or OA-5N Through-Beam Photoelectric Sensors With Built-In Power Supply? 1.They depend on the specific model of OA-5 or OA-5N. Check using the following table. Connection meth Last Modified - 2009-10-23 - Similar Articles
	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? It's possible that the malfunction is due to electrical noise. Try a countermeasure against the noise. Different countermeasures should be used depending on factors such as th Last Modified - 2009-10-23 - Similar Articles
	Why Is A Capacitor Of At Least 10 Micron (Micrometer) F Required To Extend The EE-SP Photomicro Sensors Cable? EE-SP Series uses an LED for pulse illumination (modulated light). A circuit to fully stabilize the power supply voltage is not built into the Sensors, and so the voltage supp Last Modified - 2009-10-23 - Similar Articles
	What Happens If The L Terminal For Switching The Operation Mode Of EE-SX47/67 Or EE-SY67 Photomicro Sensors Is Connected To The Negative Terminal? The operation mode will be the same as when the L terminal is open. Connecting the L terminal to the negative terminal will not result in failure or other problems, but the pr Last Modified - 2009-10-27 - Similar Articles
	What Are The Dimensions Of The Slit For Slot-Type Photomicro Sensors? It is the same size as the standard sensing object given in the catalog. Example: Standard opaque sensing object measuring at least 2 x 0.8 mm for the EE-SX47/67 Series D Last Modified - 2009-10-23 - Similar Articles
	Can The EE-SX671 Photomicro Sensor Be Used In A Magnetic Field? Yes, it is fundamentally possible to use EE-SX671 in a DC magnetic field, but operation must be confirmed by testing if the magnetic field is strong (on the level of affecti Last Modified - 2009-10-23 - Similar Articles
	Can Photomicrosensors Be Used On Locations Subject To External Light Interference? Install the Sensors in a location to ensure that no ambient light will interfere with them or use non-modulated Photomicrosensors for Industrial Equipment that are resist Last Modified - 2009-10-23 - Similar Articles
	What Is The Difference Between The Photomicro Sensors For Automation Systems And The Built-In Type Photomicro Sensors? Photomicro Sensors for Automation System Since the Photomicro Sensors for Automation System are developed mainly for building facilities and Factory Automation Sy Last Modified - 2009-10-23 - Similar Articles
	Will A Photomicrosensor Be Damaged If The Power Supply Is Connected Backwards Or The Output Is Short-Circuited? Yes, there is a possibility of malfunction from connecting the power supply backwards or from shorting the output. This is because the Photomicrosensor has no built-in re Last Modified - 2009-10-23 - Similar Articles
	What Are The Absolute Maximum Ratings Of Photomicrosensors Built Into Equipment? Absolute maximum ratings specify the upper limit of usage conditions for factors such as the voltage, current, temperature, and power. These ratings indicate the limits over w Last Modified - 2009-10-23 - Similar Articles
	What Is The Difference Between EE-1010 And EE-1010-R Connectors With Cables? EE-1010 uses a regular cable, but EE-1010-R uses a robot cable, which provides superior flexibility. (The robot cable can be bent more than approximately three times as many t Last Modified - 2009-10-23 - Similar Articles
	Is A Power Supply Polarity Reverse Protection Circuit Or Output Short-Circuit Protection Circuit Built Into Photomicro Sensors? Photomicro Sensors do not have a built-in power supply reverse polarity protection circuit or output short-circuit protection circuit. Care must be taken to prevent incorrect Last Modified - 2009-10-23 - Similar Articles
	What Are Modulated And Non-Modulated Photomicrosensors Used For Industrial Equipment? The following table shows the sensing method and characteristics for modulated and non-modulated light. Last Modified - 2009-10-23 - Similar Articles
	What Are The Reflective And Through-Beam Sensing Methods? Between similar mediums, ultrasonic waves move straight forward, but when the mediums differ, the waves will either reflect or pass through at the border. What the waves do de Last Modified - 2009-10-23 - Similar Articles
	Are Photomicro Sensors With The Light-ON/Dark-ON Selectable Operating Mode Available? Yes. The EE-SX67[] Series for Through-beam type (with slot), the EE-SY671/672 for Reflex type are available. 1. Photomicro Sensors "EE-SX67[]" (Ch Last Modified - 2009-10-23 - Similar Articles
	How Are The Operation Time And The Recovery Time Of The Photomicro Sensors Calculated? The maximum value of the operation time and the recovery time is calculated as follows. Applicable Products: Built-in Type Photomicro Sensors. Last Modified - 2009-10-23 - Similar Articles
	I Would Like More Information About The Bend-Resistant Performance Of A Cable For The Robot Cable Connector "EE-1010-R". A Robot Cable for the EE-1010-R has bending tolerance that is over three times higher than a common cable (electric cable) for the EE-1010. Refer to the following results Last Modified - 2009-10-27 - Similar Articles
	What Are The Sensing Position Characteristics Of Slot-Type Photomicro Sensors? See the following diagrams. EE-SX77 EE-SX47[]/SX67[] EE-SPX74[] EE-SPX740/742/743 EE-SPX741 EE-SPX-W EE-SPX302-W2A EE-SPX304-W2A EE-SPX Last Modified - 2009-10-23 - Similar Articles
	Is There An Easy Way To Check Whether The Control Output Of The Photomicro Sensors Is Operating Properly? The operation can be easily checked with the following procedure using a tester. Output method and checking procedure Det Last Modified - 2009-10-23 - Similar Articles

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