Omron E3g-l1 User manual

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Distance-setting Photoelectric Sensor E3G-L1/L3

Pin-point Beam, Adjustable Focus

Point and Teach Mode for Reliable

Detection

HTeach mode speeds accurate setup

HSmallest pin-point beam in the industry

allows detection of minute objects

HOptical system achieves stable detection

of objects regardless of glossiness,

color, material, surface irregularities, or

inclination

HConnector and cabled models

HRugged IP67, NEMA 4 enclosure

HSelectable Light-ON/Dark-ON operation

Ordering Information

JSENSORS

Appearance Supply

Light source Connection

Sensing/Setting range Part number

voltage

method

NPN PNP

10-30 VDC Red Pre-leaded

Setting range:

Min. setting

5mm 30 mm 50 mm

20 mm E3G-L11 E3G-L12

Connector

Sensing range:

5to50mm

30 to 50 mm

Max. setting

E3G-L15 E3G-L16

Infrared Pre-leaded

Setting range:

White paper 50 to 200 mm

Min. setting

5mm 50 mm 200 mm

30 mm E3G-L31 E3G-L32

Connector

Sensing range:

White paper 5 to 200 mm

Max. setting

E3G-L35 E3G-L36

JCONNECTOR CORDSETS

Shape Description Cable length Part number

Four-wire, vibration-proof, single-ended

2 m (6.56 ft) XS3F-M421-402-R

Straight

cable 5 m (16.40 ft) XS3F-M421-405-R

2 m (6.56 ft) XS3F-M422-402-R

Right angle 5 m (16.40 ft) XS3F-M422-405-R

E3G-L1/L3

JREPLACEMENT PARTS

Mounting brackets Remarks Part number

Provided with E3G-Lj1/-Lj2E39-L139

Provided with E3G-Lj5/-Lj6E39-L140

Specifications

Ratings/Characteristics

Sensing method Diffuse

Part number NPN output E3G-L11 E3G-L15 E3G-L31 E3G-L35

PNP output E3G-L12 E3G-L16 E3G-L32 E3G-L36

Setting range 30 to 50 mm (1.18 to 1.97 in)

(Kodak white paper, black paper: 50 x 50 mm)

50 to 200 mm (1.97 to 7.87 in)

(Kodak white paper 50 x 50 mm)

50 to 150 mm (1.97 to 5.91 in)

(black paper 50 x 50 mm)

Sensing range 5 to 50 mm (0.20 to 1.97 in)

(Kodak white paper 50 x 50 mm,

setting distance 50 mm)

5to200mm(0.20to7.87in)

(Kodak white paper 50 x 50 mm,

setting distance 200 mm)

5to150mm(0.20to5.91in)

(black paper 50 x 50 mm,

setting distance 150 mm)

Differential travel 4% max. of sensing distance 10% of sensing distance (typical)

Reflectivity characteristics

(black/white differential)

4% max. of sensing distance 10% max. of sensing distance

(at 50 to 150 mm setting distance)

Light source (wavelength) Red LED (670 nm) Infrared LED (860 nm)

Spot size 1 mm dia. max. (at 38 mm sensing distance) 15 mm dia. max. (at 150 mm sensing distance)

Supply voltage 10 to 30 VDC max. 10% (p-p) ripple

Stabilization on powerup 100 ms

Current consumption 55 mA max. 65 mA max.

Control output 100 mA max. at 30 VDC

Residual voltage: NPN output: 1.2 V max. PNP output: 2.0 V max.

Open collector output (NPN/PNP, differs depending on models)

Light-ON/Dark-ON selectable

Circuit protection Protection from reversed power supply connection, load short--circuit, and mutual interference

Response time Operation or reset: 1.5 ms max. Operation or reset: 2.5 ms max.

Distance setting Teaching (in NORMAL or ZONE mode)

Fine distance adjustment Manual fine threshold adjustment (NORMAL mode: 13 levels/ZONE mode: 5 levels)

Indicator Operation indicator (orange LED), distance indicator (green LED: 8 levels),

threshold indicator (red LED, NORMAL mode: 13 levels/ZONE mode: 5 levels)

Ambient light immunity

(receiver side)

Incandescent lamp: 3,000 !x max./Sunlight: 10,000 !xmax.

Ambient Operating -- 2 5 _Cto55_C(--13_F to 131_F) with no icing or condensation

temperature Storage -- 3 0 _Cto70_C(--22_F to 158_F) with no icing or condensation

Relative

Operating 35% to 85% with no condensation

humidity Storage 35% to 95% with no condensation

Insulation resistance 20 M!min. at 500 VDC

Dielectric strength 1,000 VAC, 50/60 Hz for 1 min.

Vibration resistance 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y and Z axes

Shock resistance 500m/s2, 3 times each in X, Y and Z axes

Degree of protection IEC60529 IP67 (with protective cover) in place

(This table continues on the next page.)

E3G-L1/L3E3G-L1/L3

Specifications Table -- continued from previous page

Sensing method Diffuse

Part number NPN output E3G-L11 E3G-L15 E3G-L31 E3G-L35

PNP output E3G-L12 E3G-L16 E3G-L32 E3G-L36

Connection method Pre-leaded

(standard length: 2 m)

M8 connector Pre-leaded

(standard length: 2 m)

M8 connector

Weight (packed state) Approx. 64 g Approx. 21 g Approx. 64 g Approx. 21 g

Material Case: PBT (polybutylene terephthalate). Lens: Acrylic (PMMA).

Mounting bracket: Stainless steel (SUS304)

Accessories included Mounting bracket (with screws) and instruction sheet

Operation

JOUTPUT CIRCUITS

Output

configuration

NPN PNP

Part number E3G-L11

E3G-L15

E3G-L31

E3G-L35

E3G-L12

E3G-L16

E3G-L32

E3G-L36

Output operation Light-ON Dark-ON Light-ON Dark-ON

Timing chart

Operate

Reset

(Between brown and black)

Incident

Interrupted

Operation

indicator

(orange)

Output

transistor

Load

(relay)

OFF

Operate

Reset

(Between brown and black)

OFF

Incident

Interrupted

Operation

indicator

(orange)

Output

transistor

Load

(relay)

OFF

Operate

Reset

(Between blue and black)

Incident

Interrupted

Operation

indicator

(orange)

Output

transistor

Load

(relay)

OFF

Operate

Reset

(Between blue and black)

OFF

Incident

Interrupted

Operation

indicator

(orange)

Output

transistor

Load

(relay)

OFF

Mode selector L-ON (Light-ON) D-ON (Dark-ON) L-ON (Light-ON) D-ON (Dark-ON)

Output circuit

JCONNECTOR WIRING

XS3F-M421-402-R

XS3F-M421-405-R

XS3F-M422-402-R

XS3F-M422-405-R

Classification Wire color Connector

pin number

Use

DC Brown 1 Power supply

(+ V)

White 2Pin2isnot

used.

Blue 3Power supply

(0 V)

Black 4Output

E3G-L1/L3

Engineering Data

JOPERATING RANGE

Distance X (mm)

Operating position Y (mm)

2.5

2.0

1.5

1.0

0.5

-- 0 . 5

-- 1 . 0

-- 1 . 5

-- 2 . 0

-- 2 . 5

30 35 40 45 5025

Setting distance: 30 mm,

40 mm,

50 mm

30 mm

40 mm

50 mm

Operating position Y (mm)

-- 1

-- 2

-- 3

10 20 30 40 50 60

Settingdistance: 30mm,40mm,50mm

Target object: Whitepaper50"50mm

40 mm

30 mm

50 mm

E3G-L1j(inNORMALMode) E3G-L1j(in ZONE Mode)

Distance X (mm)

-- 1

-- 2

-- 3

-- 4

250

50 100 150 200

Setting distance: 50 mm, 100 mm, 200 mm

50 mm

100 mm

200 mm

Distance X (mm)

Operating position Y (mm)

-- 1

-- 2

-- 3

-- 4

-- 5

50 100 150 200

Settingdistance: 50mm,100mm,200mm

Target object: White paper 50"50mm

100 mm

200 mm

50 mm

E3G-L3j(in ZONE Mode)

E3G-L3j(inNORMALMode)

Operating position Y (mm)

Spot diameter (mm)

2.5

1.5

0.5

Distance (mm)

30 35 40 45 50

E3G-L1j

JSPOT DIAMETER VS. SENSING DISTANCE

40 60 80 100 120 140 160 180

Spot diameter (mm)

200

Distance (mm)

E3G-L3j

E3G-L1/L3E3G-L1/L3

JANGLE CHARACTERISTICS

-- 1

-- 2

-- 3

-- 4

-- 5

--40 --30 --20 --10 0 10 20 30 40



(Left and Right)

Target object: White paper 50 "50 mm

Sensing distance:30 mm

-- 1

-- 2

-- 3

-- 4

-- 5 -- 4 0 -- 3 0 -- 2 0 -- 1 0 0 1 0 2 0 3 0 4 0

Sensing distance variation (%)

Target object: White paper 50 "50 mm

Sensing distance:30 mm

Sensing object

Inclination

angle

Sensing distance variation (%)

Inclination angle "(#)

Sensing object

–"

Inclination

angle

E3G-L1j(Up and Down) E3G-L1j(Left and Right)

Inclination angle "(#)

(Up and Down)

–"

-- 1

-- 2

-- 3

-- 4

-- 5

-- 4 0 -- 3 0 -- 2 0 -- 1 0 0 1 0 2 0 3 0 4 0



-- 1

-- 2

-- 3

-- 4

-- 5--40 --30 -- 2 0 -- 1 0 010203040

Inclination angle "(#)

Sensing distance variation (%)

(Left and Right)

Target object: White paper 50 "50 mm

Sensing distance:50 mm

Sensing object

Inclination angle "(#)

–"

Inclination

angle

E3G-L1j(Up and Down) E3G-L1j(Left and Right)

Sensing distance variation (%)

Target object: White paper 50 "50 mm

Sensing distance:50 mm

(Up and Down)

Inclination

angle

–"

Sensing object

Sensing distance variation (%)

-- 2

-- 4

-- 6

-- 8

-- 1 0

-- 4 0 -- 3 0 -- 2 0 -- 1 0 0 1 0 2 0 3 0 4 0

Target object: White paper 50 "50 mm

Sensing distance:50 mm

Sensing object

-- 2

-- 4

-- 6

-- 8

-- 1 0

--40 --30 --20 --10 0 10 20 40

Sensing distance variation (%)

Inclination angle "(#)Inclination angle "(#)

Target object: White paper 50 "50 mm

Sensing distance:50 mm

(Up and Down)

Sensing object

Inclination

angle

(Left and Right)

–"

E3G-L3j(Up and Down) E3G-L3j(Left and Right)

Inclination

angle

E3G-L1/L3

JANGLE CHARACTERISTICS (CONT.)

-- 2

-- 4

-- 6

-- 8

-- 1 0

--40 --30 --20 --10 0 10 20 30 40

-- 2

-- 4

-- 6

-- 8

-- 1 0

--40 --30 --20 --10 0 10 20 30 40

Sensing distance variation (%)

Inclination angle "(#)Inclination angle "(#)

Target object: White paper 50 "50 mm

Sensing distance:150 mm

Target object: White paper 50 "50 mm

Sensing distance:150 mm

Sensing object

–"

(Up and Down)

Inclination

angle

E3G-L3j(Up and Down) E3G-L3j(Left and Right)

(Left and Right)

Inclination

angle

–"

JTARGET OBJECT SIZE VS. SETTING DISTANCE

0.5

0.4

0.3

0.2

0.1

30 35 40 45 50

Target object: White paper

Setting distance: 50 mm

Distance (mm)

E3G-L1j

Min. sensing object dia. (mm)

2.5

1.5

0.5

40 60 80 100 120 140 160 180 200

Target object: White paper

Setting distance: 200 mm

Distance (mm)

E3G-L3j

Min. sensing object dia. (mm)

White paper

Setting distance: 30 mm

Sensing distance (mm)



18 mm

31 mm 30 mm

20 mm

1mm

50 mm

16 mm

51 mm

White paper Black paper Black paper

Setting distance: 50 mm







JCLOSE-RANGE CHARACTERISTICS

E3G-L1j

Material

150

100





51 mm 48.5 mm

202 mm

178 mm

29 mm

20 mm

0mm

28.5 mm

250

200

White paper

Material

Sensing distance (mm)

White paper Black paper Black paper

Setting distance: 50 mm

Setting distance: 200 mm

E3G-L3j

E3G-L1/L3E3G-L1/L3

JSENSING DISTANCE VS. SENSING OBJECT MATERIAL







White

paper

Material

Sensing distance (mm)

Black

paper

Black

rubber

FiberboardVeneer Mirror White

paper

Black

paper

Black

rubber

FiberboardVeneer Mirror

Sensing distance (mm)

Material

E3G-L1V(at 30 mm Setting Distance) E3G-L1V(at 40 mm Setting Distance)

0White

paper

Black

paper

Black

rubber

FiberboardVeneer Mirror

Sensing distance (mm)

Material

E3G-L1V(at 50 mm Setting Distance)







White

paper

Black

paper

Black

rubber

FiberboardVeneer Mirror

Sensing distance (mm)

Material

E3G-L3j(at 50 mm Setting Distance)

180

150

120



120

100







White

paper

Black

paper

Black

rubber

FiberboardVeneer Mirror

Sensing distance (mm)

White

paper

Black

paper

Black

rubber

FiberboardVeneer Mirror

Material

E3G-L3j(at 150 mm Setting Distance)E3G-L3j(at 100 mm Setting Distance)

Material

E3G-L1/L3

Nomenclature

UP/DOWN selector

Selects the switching

direction at threshold.

Operation indicator (Orange)

ON when output is ON.

Distance indicator (Green)

Display the distance relative

to the threshold.

Threshold indicator (Red)

Indicates threshold level.

For teaching or for threshold

adjustment

Operation mode selector

Selects L-ON or D-ON.

NORMAL/ZONE selector

Selects the detection mode.

Mode selector

Selects the mode.

NORM L

ZONE D

ADJ

FAR

SET TEACH

OUT

RUN

SET button

NEAR

Installation

JMOUNTING DIRECTIONS

Non-shiny Targets

Make sure the sensing side of the sensor is parallel with the

surface of the target object. Do not tilt the sensor towards the

target object.

Sensing side

Surface of target object

Shiny Targets

If the target object has a glossy surface, incline the sensor by 5#

to 10#as shown below, provided that the sensor is not influenced

by any background objects.

Glossy object

If there is a mirror--like object below the sensor, the sensor may

not be in stable operation. Tilt the sensor or keep the sensor far

enough away from the mirror--like object to avoid interfering

reflections as shown below.

Target

object

Mirror--like object

Make sure not to install the sensor in the incorrect direction.

Refer to the following.

Target object

Moving direction

Target object

Moving

directionMoving direction

Correct

Incorrect

Install the sensor as shown in the following if the target object

greatly differs in color or material.

Moving direction Moving direction

Correct Incorrect

E3G-L1/L3E3G-L1/L3

JADJUSTMENTS

If the sensor is not in stable operation due to color differences, make a fine adjustment of the threshold level and confirm that the sensor

operates in stable state. Refer to Manual Teaching (Fine Distance Setting.

Adjustment Steps

1Install, wire, and turn on the sensor.

2Perform distance setting (teaching). Refer to Distance Setting (Teaching) below.

3Make a fine adjustment of the threshold, if necessary.

Refer to Manual Teaching (Fine Distance Setting)

4Check that the mode selector is set to RUN.

Distance Setting (Teaching)

Select the most appropriate teaching method in reference to the following descriptions.

123

Application

$Teaching without sensing

objects (i.e., Teaching the

background).

Detection of slight differences

in surface level.

Setting a threshold in the

middle between the

background and sensing object

for operation.

$Detection of glossy objects in

front of the background.

Teaching 1Normal one-point teaching 2Normal two-point teaching 3Zone one-point teaching

Setting method

Press the TEACH button with

the background object.

present.

Sensor

Background

Press the TEACH button with

the background object and

with the target object.

Sensor

Background Background

Sensor

Object

Press the TEACH button with

the background object

(conveyor, etc.).

Background

Sensor

Set threshold

Threshold (a) is set immediately in

front of the background.

Threshold (a) is set approximately

in the middle between the

background and target object.

A pair of thresholds, (a) and (b),

are set.

The output is ON between the

sensor and La.

E3G-L

The output is ON between the

sensor and La.

E3G-L

The output is ON between La and

Lb.

E3G-L

ON OFF

D-ON L-ON

utput

range

Threshold a (La)

Background



Threshold a (La)

Background

Object



Threshold a (La)

ON Background

Threshold b (Lb)



ON OFF

OFF

La: Distance equivalent to threshold (a)

Lb: Distance equivalent to threshold (b)

The following settings are also possible:

Setting the maximum sensing distance of the sensor: Maximum distance setting.

Setting the minimum differential travel of the sensor: Minimum distance setting.

Distance from sensor to background must not exceed the values shown below during

normal one-point or zone one-point teaching.

Part number Distance from sensor to background

E3G-L1j32 mm (1.26 in) min.

E3G-L3j55 mm (2.17 in) min.

Maximum sensing distance of E3G-L3 type may differ by color of the target object

when setting distance is more than 150 mm (5.91 in).

Confirm the operation of the sensor before actual operation.

E3G-L1/L3

JADJUSTMENTS (CONT.)

Normal One-point Teaching

Sensor

Background



Threshold a (La)

E3G-L

Background

Procedure Operation Panel status

1Set the mode selector to TEACH.

2Set the NORMAL/ZONE mode selector to NORMAL. OUT NORM L

3Press the SET button with the background. The threshold

indicator (red) will turn ON. Threshold indicator

(red) turns ON.

TEACH

ZONE D

NEAR

SET

4Set the mode selector to RUN.

(

)

ADJ

5Set to L-ON or D-ON mode with the operation mode selector.

L-ON: Output ON between background and sensor.

D-ON: Output OFF between background and sensor. Press

RUN

FAR

Application Example 1

Adjusting the sensor differential travel to the minimum distance.

OUT NORM L

1Set the mode selector to TEACH.

ZONE D

NEAR

SET

2Set the NORMAL/ZONE mode selector to NORMAL. ADJ

3Set the UP/DOWN selector to down. RUN

FAR

4Press the SET button for 3 s or more. The threshold indicator

(red) will turn ON. Press Press the SET

button for 3 s

Set the

mode selec-

The distance indicator (green) will turn ON. This means that

teaching is successful. Set the mode selector to RUN to

complete the teaching operation.

or more.

tor to RUN.

6Set to L-ON or D-ON mode with the operation mode selector.

Threshold indicator

(red) turns ON.

Distance indicator

(green) turns ON.

Application Example 2

Setting the sensor to the maximum distance. OUT NORM L

1Set the mode selector to TEACH. ZONE D

NEAR

2Set the NORMAL/ZONE mode selector to NORMAL. ADJ

TEACH

SET

3Set the UP/DOWN selector to up. RUN

FAR

4Press the SET button for 3 s or more. The threshold indicator

(red) will turn ON. Press

Press the SET

Set the mode

The distance indicator (green) will turn ON. This means that

teaching is successful. Set the mode selector to RUN to

complete the teaching operation.

button for 3 s

or more.

selector to

RUN.

6Set to L-ON or D-ON mode with the operation mode selector. Threshold indicator

(red) turns ON.

Distance indicator

(green) turns ON.

La: Distance equivalent to threshold (a)

Omron E3G-L1 User manual

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