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E3X-NH

E3X-NH

4

Nomenclature

J

E3X-NH11

Operation Indicator

(orange)

Lit when output is ON.

Incident Level Indicators

(green, 8 levels)

Lit depending on the incident

light amount.

Mode Selector

Switchable among TEACH, ADJ, and

RUN modes.

UP/DOWN Selector

Select UP for increasing the threshold value.

Select DOWN for decreasing the threshold

value.

Operation Mode Selector

Switchable between light-ON and

dark-ON modes.

SET Button

For teaching or for fine threshold ad-

justment

Threshold Indicators

(red, 13 levels)

Indicates threshold level.

Operation

J

OUTPUT CIRCUITS

E3X-NH11 (NPN output)

Brown

Black

Orange

Blue

Alarm output

Control

output

Load

Load

12 to 24 VDC

Photo-

electric

sensor

main

circuit

PNP circuits

Load

Load

Brown

Black

Orange

Blue

Control output

Alarm

output

12 to 24 VDC

Photo-

electric

sensor

main

circuit

J

OPERATION MODE

Light-ON

Dark-ON

ON
OFF

ON
OFF

Light received
Light not received
Operation indicator

(orange)
Output

transistor
Load (relay)

Operate
Release

(Between brown and black)

ON
OFF

ON
OFF

Light received
Light not received
Operation indicator

(orange)
Output

transistor
Load (relay)

Operate
Release

(Between brown and black)

Summary of Contents for E3X-NH

Page 1: ...MPLIFIER UNITS Description General purpose models Timer function models Output NPN PNP NPN PNP Part number E3X NH11 E3X NH41 E3X NH21 E3X NH51 Appearance Light source Wave length Red LED 680 nm Power supply voltage 12 to 24 VDC 10 ripple p p 10 max Current consumption 75 mA max Output Control output NPN open collector load current 50 mA max residual voltage PNP open collector load current 50 mA ma...

Page 2: ...mbient light immunity Incandescen t lamp 3 000 ℓx max Sunlight 10 000 ℓx max Ambient temperature Operating 25 C to 55 C 13 F to 131 F with no icing p Storage 40 C to 70 C 40 F to 158 F with no icing Ambient humidity Operating 35 to 85 with no condensation Dielectric strength 1 000 VAC at 50 60 Hz for 1 minute Vibration resistance 10 to 55 Hz 1 5 mm double amplitude or 300 m s2 approx 30G for 2 hrs...

Page 3: ...t Threshold Indicators red 13 levels Indicates threshold level Operation J OUTPUT CIRCUITS E3X NH11 NPN output Brown Black Orange Blue Alarm output Control output Load Load 12 to 24 VDC Photo electric sensor main circuit PNP circuits Load Load Brown Black Orange Blue Control output Alarm output 12 to 24 VDC Photo electric sensor main circuit J OPERATION MODE Light ON Dark ON ON OFF ON OFF Light re...

Page 4: ...High precision positioning Detecting Lead Frame Position E32 D32 Lead frame Fine tuning on Production Lines Reason Marginal sensitivity adjustment is required considering the differences in targets For high precision positioning of electronic parts Detecting Lead Frame Rises E3X NH Ideal Operation Under Frequently Changing Environments Reason Dust sticking to the fiber tip Targets are slightly dif...

Page 5: ...ill be set when the built in buzzer beeps continuously and all the incident level indicators green are lit 3 Set the mode selector to RUN Be sure that only the bottom threshold indicator is lit Two point Teach Mode 1 Set the mode selector to TEACH Place the target object in the sensing area and press the SET button once Be sure that all the threshold indicators red are lit The built in buzzer will...

Page 6: ... Set the mode selector to RUN Be sure that the middle threshold indicator is lit The threshold will be set to a 50 value One point Teach Mode 1 Set the mode selector to TEACH Press the SET button once without a target object in the sensing area Be sure that all the threshold indicators red are lit The built in buzzer will beep once when the threshold indicators are lit Press once for 0 5 to 2 5 s ...

Page 7: ... equal to the target s sensed value 3 Set the mode selector to RUN Auto tuning Automatic Sensitivity Compensation 1 Set the mode selector to TEACH Press the SET button once without a target object in the sensing area Be sure that all the threshold indicators red are lit The built in buzzer will beep once when the threshold indicators are lit 2 Set the mode selector to ADJ and press the SET button ...

Page 8: ...d indicator Target 2 Point Teach Mode Ideal for the detection of object surface irregularities or minute objects Ideal for the detection of objects against a background that reflects light irregularly Closer Light Fiber head Target Farther Diffuse Sensor 1 Press the SET button with the target in the sensing area Then press the SET button without target in the sensing area as illustrated at the rig...

Page 9: ... be set to maximum automatically when in RUN mode 2 Detecting the first object in RUN ADJ mode Tuning range 6 18 18 Incident level indicator Threshold indicator Farther Closer Light Threshold Target The number of indicators lit depends on the position of the target The threshold position of the target is set to 7 Through beam Dark ON Fiber Unit 1 Press the SET button without target in the sensing ...

Page 10: ...o 7 Farther Closer Light Threshold Note The number of Incident level indicators lit depends on the presence of the target Threshold Compensation Threshold compensation Time Threshold indicator Farther Closer Light The sensor will perform an Automatic Threshold Compensation within the preset band After the threshold has been compensated the Threshold Indicator will flash indicating the adjusted val...

Page 11: ...ered cord 4 mm dia 18 0 12 dia 4 stranded conductors Standard length 2 m Weight Approx 100 g Operation indicator Threshold indicators A see note Note The mounting bracket can be at tached to this side Incident level indicators Two 2 4 dia Two 3 2 dia holes Mounting bracket Two mounting holes ...

Page 12: ...on mark Proper fiber performance will not be achieved unless the fiber is inserted all the way to the insertion mark This method is applicable to standard 2 2 mm diameter fibers only J FIBER CONNECTION OR DISCONNECTION PROCEDURES The E3X NH Amplifier has a lock button Follow these steps to connect or disconnect the fibers to or from the E3X NH Amplifier Note The fiber must be locked or released in...

Page 13: ... from the tip to the insertion mark of the fiber is not inserted into the Amplifier Unit the sensing distance will be reduced J BENDING RADIUS E39 F11 Sleeve Bender The bending radius of the stainless tube should be as large as possible The smaller the bending radius becomes the shorter the sensing distance will be Insert the tip of the stainless tube to the Sleeve Bender and bend the stainless tu...

Page 14: ... Fiber Unit Secure the Protective Spiral Tube on a suitable place with the attached nut Mounting panel Hexagon clamping nut Fiber Unit Toothed washer Protective spiral tube Use the attached saddle to secure the end cap of the Protective Spiral Tube To secure the Protective Spiral Tube at a position other than the end cap apply tape to the tube so that the portion becomes thicker in diameter Saddle...

Page 15: ...iber 4 Finished state proper cutting state Approx 0 5 mm Note Insert the fiber in the direction indicated by the arrow Connection Do not pull or press the Fiber Units The Fiber Units have a withstand force of 9 8 N 1 kgf or 29 4 N 3 kgf pay utmost attention because the fibers are thin Do not bend the Fiber Units beyond the permissible bending radius Do not bend the edge of the Fiber Units excludin...

Page 16: ...pled at random from a lot and the values described are average values Do not assume that all Units ensure such operations J WHEN THE POWER IS OFF The moment power is turned off the E3X NH may output a pulse signal which could affect the operation of the devices connected to it This will occur more often if power is supplied to the E3X NH from an external power supply thus affecting the connected t...

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