Omron E3G-R13-G, E3G-R17-G, E3G-MR19-G, E3G-MR19T-G, E3G-L73 Datasheet

Photoelectric switch with built-in amplifier (long distance) in plastic housing

E3G

Retroreflective Models

• Sensing Distance of 10 m, with polar­ized light to detect shiny objects.

• Operation stability monitored ba the
stability indicator.

Distance-setting Models

• Distance setting models with a long
2 m sensing distance incorporate a
teaching function.

• Set sensing area (zone setting) func­tion allows detection of shiny objects
with uneven surface.

Common Features

• Meets IEC IP67 requirements.

• M12 rotary connector, pre-wired or ter­minal block connection

E3G

Features

Retroreflective Models

Though the Size Is Compact, the Sensing
Distance Is as Long as 10m.

Replace the conventional through-beam model with the ret­roreflective model for saving wiring and installation space.

Through-

beam

ConventionalNew product

Retorore-

flective

model

10m

10m

Saves wiring effort

Saves space

Reflector

Easy monitoring of Operation stability by
means of stability indicator.

The stability indicator becomes
darker due to dust on the lens or
improper optical axis adjustment.

A-119E3G

Distance-setting

Distance-setting Models with a Long 2-m
Sensing Distance Incorporate a Teaching
Function

Sensitivity adjustment without being influenced by back­ground objects is possible by simply pressing a button. Useful
for teaching without a sensing object.

General

Select either transistor (NPN/PNP select­able) or relay output. Three connection
methods (plus a model with a timer func­tion). Select either a DC power supply or a
variable power
supply: 24 V to 240 VAC or 12 to 240 VDC).

Easy Optimum Sensing Distance Adjust­ments

Teaching with and without a sensing object ensures highly ac­curate detection without influence from the background.

Without sensing object With sensing object

ONE

PUSH

ONE

PUSH

Zone Setting Function

Effective for detecting glossy objects, which were difficult to
detect with conventional sensors. (D-ON)

OFF

(Incident)

Teach with only the

background (conveyer).

ON

(Interrupted)

Sensing zone

Approx. ±10%

Since the Sensor can have a threshold value not
only in front of the background but also beyond the
background, it is possible to detect objects such as
mirror-surface objects that do not return light from
the object surface.

IEC Standard IP67 Water Proofing

M12 Rotary Connector Available on Models
with DC Power Supplies

Detection of large works
Retroreflective model can make long­distance detection, saving wiring.

E3G-R13

E3G-L73

A-120 Standard Photoelectric Sensors

Application

Detection of large corrugated cardboard
Just by installing the sensor on one side,
only the boxes to be detected shall be
sensed.

E3G-L73E3G-L73

Detection of cars in multi-story parking lot

10m10m

E3G-R13

E3G-R13

Ordering Information

Sensors

Sensor type Shape Connection method Sensing distance Timer function

Pre-wired

Retroreflec-

tive Models

(with M.S.R.

Function)

Distance-

setting

* Values in parentheses indicate the minimum required distance between the sensor and reflector.

Connector type E3G-R17-G

10m

Terminal block ---

Pre-wired
Connector type E3G-L77

White paper 300 ¥ 300 mm

Terminal block ---

[500mm]*

0.2 to 2 m

---

ON or OFF

delay 0 to 5 s

(adjustable)

---

ON or OFF

delay 0 to 5 s

(adjustable)

NPN/PNP selector Relay contact output

E3G-R13-G

E3G-L73

Accessories (Order Separately)

Reflectors

Shape Sensing distance (typical) Model Quantity Remarks

10 m (500 mm) * E39-R2 1 ---

6 m (100 mm) * E39-R1S 1 ---

* Values in parentheses indicate the minimum required distance between the sensor and reflector.

Red light Infrared light

Model

---

E3G-MR19-G

E3G-MR19T-G

---

E3G-ML79-G

E3G-ML79T-G

E3G

Terminal Protection Cover for Side-pullout Cable

Shape Model Quantity Applicable type Remarks

E39-L129-G 1

Mounting Brackets

Shape Model Quantity Applicable type Remarks

E39-L131 1

E39-L132 1 Rear-mounting use

E39-L135 1

E39-L136 1 ---

Sensor I/O Connectors

Cable Shape Cable length Model

Straight

Standard cable

L-shaped

E3G-MR19(T)-G
E3G-ML79(T)-G

E3G-R1#
E3G-L7#

E3G-MR19(T)-G
E3G-ML79(T)-G

2 m
5 m XS2F-D421-GC0-A
2 m XS2F-D422-DC0-A
5 m XS2F-D422-GC0-A

3-wire type

Provided with rubber bushing and cap for

pullout prevention in horizontal direction

---

Cable pulled out downwards

XS2F-D421-DC0-A

A-121E3G

Rating/Performance

Sensor type Retroreflective Models (M.S.R. function) Distance-setting
Item Model E3G-R13-G E3G-R17-G
Sensing distance 10 m (500 mm) * (When using the E39-R2) 0.2 to 2 m (White paper 300 x 300 mm)
Setting distance --- 0.5 to 1.2 m (White paper 300 x 300 mm)
Standard sensing

object
Hysteresis

(typical)
Directional angle Sensor: 1° to 5° --­Reflectivity

characteristics
(black/white
error)

Light source
(wave length)

Spot size --- 70 mm dia. max. (At detection distance of 1m)

Power supply
voltage

Current/Power
consumption

Control output

Me­Life ex­pectan­cy (relay
output)

Protective circuits

Response time Operation/reset: 1 ms each

Sensitivity
adjustment

Timer function ---

Ambient
illuminance

Ambient
temperature

Ambient humidity Operating: 35% to 85%RH, Storage: 35% to 95%RH (with no condensation)
Insulation

resistance
Dielectric

strength
Vibration

resistance

* Values in parentheses indicate the minimum required distance between the sensor and reflector.

chani-

cal

Electri-

cal

Opaque: 80 dia. min. ---

Red LED (700 nm) Infrared LED (860 nm)

10 to 30 VDC
[Ripple (p-p) 10% included]

50 mA max. 2 W max. 60 mA max. 2 W max.

Load supply voltage 30
VDC max., load current 100
mA max. (residual
voltage NPN output: 1.2 V
max., PNP output: 2 V
max.) Open collector output
type (NPN/PNP output
switch selectable) L-ON/
D-ON switch selectable

---

---

Reverse polarity protection,
output short-circuit pro­tection, mutual interference
prevention

One-turn adjuster Teaching method (NORMAL mode/ZONE mode)

Incandescent lamp: 3,000 lux max. Sunlight 10,000 lux max.

Operating: -25°C to 55°C, Storage: -30°C to 70°C (with no icing or condensation)

20 M min. at 500 VDC

1,000 VAC at 50/60 Hz for
1 minute

Destruction: 10 to 55 Hz, 1.5 mm double amplitude for 2 hours each in X, Y, and Z directions

E3G-MR19-G

--- 10% of setting distance

--- ±10% max. (At detection distance of 1m)

12 to 240 VDC ±10% ripple
(p-p) : 10% max. 24 to 240
VAC ±10% 50/60 Hz

Relay output: Switch-over
contact 250 VAC 3A
(cos =1) max. 30 VDC 3A
max. L-ON/D-ON switch
selectable

50,000,000 operations min.
(switching frequency:
18,000 operations/h)

100,000 operations min.
(switching frequency: 1,800
operations/h)

Mutual interference preven­tion function

Operation/reset: 30 ms
each

2,000 VAC at 50/60 Hz for
1 minute

E3G-MR19T-G

ON delay/
OFF delay
0 to 5 s
(Adjuster
variable
system)

E3G-L73 E3G-L77

10 to 30 VDC
(Ripple (p-p) 10% included)

Load supply voltage 30
VDC max., load current 100
mA max. (residual
voltage NPN output: 1.2 V
max., PNP output: 2 V
max.) Open collector output
type (NPN/PNP output
switch selectable) L-ON/
D-ON switch selectable

---

---

Reverse polarity protection,
output short-circuit pro­tection, mutual interference
prevention

Operation/reset: 5 ms each

---

1,000 VAC at 50/60 Hz for
1 minute

E3G-ML79-G

12 to 240 VDC ±10% ripple
(p-p) : 10% max. 24 to 240
VAC ±10% 50/60 Hz

Relay output: Switch-over
contact 250 VAC 3A
(cos =1) max. 30 VDC 3A
max. L-ON/D-ON switch
selectable

50,000,000 operations min.
(switching frequency:
18,000 operations/h)

100,000 operations min.
(switching frequency:
1,800 operations/h)

Mutual interference preven­tion function

Operation/reset: 30 ms
each

2,000 VAC at 50/60 Hz for
1 minute

E3G-ML79T-G

ON delay/
OFF delay
0 to 5 s
(Adjuster
variable
system)

A-122 Standard Photoelectric Sensors

Sensor type Retroreflective Models (M.S.R. function) Distance-setting

Item Model E3G-R13-G E3G-R17-G

E3G-MR19-G

E3G-MR19T-G

E3G-L73 E3G-L77
Shock resistance 500 m/s2 3 times in each of X, Y and Z directions
Protective

structure

Connection
method

Weight
(Packed state)

IEC 60529 IP67 (with Protective Cover attached)

Pre-wired
(standard
length: 2 m)

Approx.
150 g

M12
Connector

Terminal block

Approx. 50 g Approx. 150 g Approx. 50 g Approx. 150 g

Pre-wired
(standard
length: 2 m)

M12
Connector

Case PBT (polybutylene terephthalate)

Mate-

Lens Acrylics (PMMA)

rial

Mounting
Brackets

Stainless steel (SUS304)

Accessories Instruction sheet, and screwdriver for adjustment Instruction sheet

Output Circuit Diagram

NPN output

Model

E3G-R13-G
E3G-R17-G
E3G-L73
E3G-L77

Operating status of
output transistor

Light ON

Dark ON

Interrupted

Operation
indicator
(orange)

Output
transistor

Load
(Relay)

Interrupted

Interrupted

Operation

Operation
indicator

indicator
(orange)

(orange)
Output

Output
transistor

transistor

Load

Load
(Relay)

(Relay)

Timing chart

Incident

ON

OFF

ON

OFF

Operate

Reset

Incident

Incident

ON

ON

OFF

OFF

ON

ON

OFF

OFF

Operate

Operate

Reset

Reset

Mode selection
switch

LON

(LIGHT ON)

DON

(DARK ON)

Operation
indicator

(Orange) (Green)

Stability
indicator

Output circuit

Main

NPN or PNP

circuit

output selector

* Set the NPN or PNP selector to NPN

Connector Pin Arrangement

2

E3G-ML79-G

Terminal block

PNP output
transistor

NPN output
transistor

1

4

3

ZD

*

ZD

Note: Terminal 2 is not used.

E3G-ML79T-G

10 to 30 VDC

Brown

Load

Black

Control
output

Blue

Load
current

E3G

0V

PNP output

Model

E3G-R13-G
E3G-R17-G
E3G-L73
E3G-L77

Operating status of
output transistor

Light ON

Dark ON

Interrupted

Operation
indicator
(orange)

Output
transistor

Load
(Relay)

Interrupted

Operation
indicator
(orange)

Output
transistor

Load
(Relay)

Timing chart

Incident

ON

OFF

ON

OFF

Operate

Reset

Incident

ON

OFF

ON

OFF

Operate

Reset

Mode selection
switch

LON

(LIGHT ON)

DON

(DARK ON)

Operation
indicator

(Orange) (Green)

Output circuit

Stability
indicator

Main
circuit

* Set the NPN or PNP selector to PNP

PNP output
transistor

NPN or PNP
output selector

NPN output
transistor

Connector Pin Arrangement

1

2

4

3

Note: Terminal 2 is not used.

10 to 30 VDC

Brown

ZD

*

Black

Control output

Load

ZD

Blue

Load current

0V

A-123E3G

Relay contact output

2

T

Td

2

2

T

Td

1

Mode selection
switch

(LIGHT ON)

(DARK ON)

1

(LIGHT ON)

1

(DARK ON)

LON

DON

LON

DON

Timer function Model Timing chart

Incident

Interrupted

Operation

ON

indicator

OFF

(orange)

ON

Ta

Operation
indicator
(orange)

Incident

OFF

OFF

Incident

OFF

OFF

Interrupted

ON

ON

ON

ON

Incident

Ta

T

1

T

1

OFF

OFF

OFF

Td

Td

ON

ON

T

1

1

T

1

2

T

T

1

Td2Td

T

T

1

Td

1

2

T2T

2

T

2

2

T

1

Td

1

T2T

1

T

1

Td

1

T2T

2

T2T

T

1

Td

2

None

ON or OFF
delay 0 to 5 s
(adjustable)

* For ON and OFF, delay timers vary independently.
Note: Td1, Td2: Delay time (0 to 5 s), T1: Any period longer than delay time, T2: Any period shorter than delay time

E3G-MR19-G
E3G-ML79-G

E3G-MR19T-G
E3G-ML79T-G

Interrupted

ON delay *

OFF delay *

Interrupted

ON delay *

OFF delay *

Connectors (Sensor I/O connectors)

2

13

4

Terminal No. Wire colors

1
2
3
4

XS2F-D421-DC0-A
XS2F-D421-GC0-A
XS2F-D422-DC0-A
XS2F-D422-GC0-A

Brown
Blue

Black

Note: Pin 2 is not used.

Class

For DC

Wire, outer
jacket color

Brown A

Connector

pin No.

Application

supply (+V)

- B -

Blue C

Power sup-

Black D Output

Power

ply (0 V)

Main
circuit

Output circuit

1

Tc

2

Ta Contact output

3

Tb

4

Power
supply

5

(G6C Relay built in)

24 to 240 VAC
12 to 240 VDC
(no polarity order restricted)

E3G

A-124E3G

Characteristic data (typical)

E3G-R/MR Retroreflective Models

Operating Range

500

E-39-R2 reflector

100

10

Incident output excess gain

ON

1

level

0.1
0 5 10 15 20

Distance (m)

E3G-L/ML Distance-setting Models

Spot Diameter vs. Sensing Distance Sensing Zone (in NORMAL mode) Sensing Zone in ZONE Mode

120

Horizontal
Vertical

100

80

Spot diameter (mm)

60

40

20

0

0.5 1 1.5 2 2.5

Distance (m)

Sensing Object Size vs. Setting Distance Sensing Object Angle Characteristics

3

Distance setting: 0.5, 1 and 2 m

2.5

2

Sensing distance (m)

1.5

1

0.5

0

100 200 300 400 500 600

Side length (one side) of sensing object: d (mm)

White paper
Black paper

2m

1m

0.5m

Close-range Characteristics

2.5

2

2.03m

40

Distance setting: 0.5, 1 and 2 m
Sensing object:

30

White paper 300

20

Distance Y (mm)

10

0

−

10

−

20

−

30

40

−

1m

0.5m

0.50 1 1.5 2 2.5

(Up and Down)

20

Sensing object: White paper
Sensing distance: 1 m

15

10

5

0

Sensing distance variation (%)

-

5

-

10

-

15

20

-

-40-30-20-

×

300 mm

X

2m

Distance X (m)

(Upwards
and
Downwards)

Inclination
angle

+Ø

Sensing object

10 0 10 20 30 40

-Ø

Inclination angle (

40

Y

Distance setting: 0.5, 1 and 2 m
Sensing object:

30

White paper 300

20

Distance Y (mm)

10

0

-

10

0.5m

-

20

-

30

40

-

0.50 1 1.5 2 2.5

¥

300 mm

1m

2m

Distance X (m)

Sensing Object Angle (Left and Right)

20

Sensing object: White paper
Sensing distance: 1 m

15

10

5

0

Sensing distance variation (%)

-

5

-

10

-

15

20

-

Ø

˚

)

-40-30-20-

10 0 10 20 30 40

(Left and light)

Sensing object

Inclination angle (

Y

X

Inclination
angle

+Ø

-Ø

E3G

Ø

˚

)

1.5

Sensing distance (m)

1

0.51m

0.5

60mm

0

Black paper

(0.5m)

0.52m

White paper

(0.5m)

1.24m

53mm

43mm

Black paper

Material (teaching distance m)

(2m)

0mm

White paper

(2m)

A-125E3G

Nomenclature

Retroreflective Models

E3G-R13-G (Pre-wired model)
E3G-R17-G (Connector model)

Stability indicator

(Green)

Sensitivity adjuster

Operation indicator
(Orange)

PNP/NPN selector

L.ON/D.ON selector

E3G-MR19-G (Terminal Block Model)
E3G-MR19T-G (Terminal Block Model with Timer)

Sensitivity adjuster

ON-delay adjuster *

OFF-delay adjuster *

Operation indicator (Orange)
Stability indicator (Green)
L.ON/D.ON selector

Distance-setting

E3G-L73 (Pre-wired model)
E3G-L77 (Connector model)

Indicators
Stability indicator (Green)
Teaching indicator
(Red and green)

PNP/NPN selector

NORMAL/ZONE selector

Operation indicator
(Orange)

Mode selector
TEACH/
RUN(D•ON)/
RUN(L•ON)

TEACH button

E3G-ML79-G (Terminal Block Model)
E3G-ML79T-G (Terminal Block Model with Timer)

Indicators
Stability indicator (Green)
Teaching indicator
(Red and green)

TEACH button

ON-delay adjuster *

OFF-delay adjuster *

Operation indicator (Orange)
TEACH/RUN selector
L-ON/D-ON selector
NORMAL/ZONE selector

* The ON or OFF de-

lay adjuster is not
available with the
E3G-MR19-G.

* The ON or OFF delay

adjuster is not avail­able with the E3G­ML79-G.

A-126 Standard Photoelectric Sensors

Operation

E3G-L/ML

Adjustment Steps

Pro-

ce-

dure

Install, wire, and turn on the Sensor.

1

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

2

Check that the mode selector is set to RUN.

3

Distance Setting (Teaching)

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

Teaching without sensing

Application

objects (i.e., Teaching the
background).

Operation

Setting a threshold in the
middle between the back­ground and sensing object
for operation.

Detection of glossy objects
in front of the background.

E3G

Setting the maximum
sensing distance of the
Sensor.

Teaching Normal one-point teaching Normal two-point teaching Zone teaching

Setting method

Press the button

TEACH TEACH TEACH TEACH

with the background ob­ject.

Press the button
with the background ob­ject.

Press the button
with the background object
(conveyor, etc.).

Thresholds (a and b) are
set in the sensing distance
on condition that the differ­ence between these
thresholds is approximate­ly 10% of the whole sens-

Set threshold

Threshold (a) is set to a
distance in front of the
background of 20% of the
background distance.

Threshold (a) is set ap­proximately in the middle
between the background
and sensing object.

ing distance.

Output ON range

La: Distance equivalent to threshold
(a)
Lb: Distance equivalent to threshold

The output is ON between
the Sensor and La.

Normal Mode1. Normal One­point Teaching 2. Normal Two-point Teaching

E3G-L/ML

(b)

Normal one-point teaching

Pro-

ce-

Operation

dure

Set the mode selector to .

1

Set the NORMAL/ZONE mode selector to .

2

Press the button with the background.

3

The teaching indicator (red) will turn ON.

Set the mode selector to . (Set to L-ON or D-ON

4

mode.)

Note: Perform normal one-point teaching with the background.

TEACH

TEACH

RUN

Normal two-point teaching

The output is ON between
the Sensor and La.

Threshold a

Background

(La)

ON

NORMAL

The output is ON between
La and Lb.

Threshold a

E3G-L/ML

Background

(La)

Object

ON

Pro-

ce-

dure

Move the sensing object and press the button with
the background.

If the teaching is successful, the teaching indicator

4

(green) will turn ON.

If the teaching is not successful, the teaching indicator

(red) will flash.

When the teaching is successful, the setting is complete.
Set the mode selector to . (Use the operation mode
selector to set L-ON/D-ON.) When the teaching is not

5

successful, change the work position and setting distance
again, and restart the setting from step "3".

Pro-

ce-

Operation

dure

Set the mode selector to .

1

Set the NORMAL/ZONE mode selector to .

2

Press the button with a sensing object.

3

The teaching indicator (red) will turn ON.

TEACH

TEACH

NORMAL

Maximum distance setting

(in normal mode)

Press the button
for longer than three sec­onds.

The threshold is set in such
manner that the stability in­dicator will turn ON at ap­proximately 2 m if the
sensing object is white pa­per.

The output is ON whenev­er the sensing object is lo­cated between the Sensor
and at a distance of 2.2 m.

Zone Mode Zone Teach­ing

Threshold a

E3G-L/ML

L-ON

D-ON

Background

(La)

OFF

ON ONOFF

Operation

TEACH

RUN

Threshold b
(Lb)

OFFON

A-127E3G

Zone teaching

Pro-

ce-

Operation

dure

Set the mode selector to .

1

Set the NORMAL/ZONE mode selector to .

2

Press the button with the background.

The teaching indicator (red) will turn ON and the teaching

3

TEACH

TEACH

ZONE

indicator (green) will then turn ON.

Set the mode selector to . (Set to L-ON or D-ON

4

mode.)

Note: Perform zone teaching with the background.

RUN

Precautions

Correct Use

E3G-R/MR

Design

Power Supply

A full-wave rectification power supply can be used with the
E3G-MR19(T)-G.

Maximum distance setting (in normal mode)
If you want to set the maximum distance of the sensor, set a
maximum distance as depicted in the following procedure.

Pro-

ce-

Operation

dure

Set the mode selector to .

1

Set the NORMAL/ZONE mode selector to .

2

Press the button 3 s or more.

The teaching indicator (red) will turn ON.

3

TEACH

TEACH

NORMAL

In 3 s, the teaching indicator (green) will turn ON.

When the teaching indicator (green) turns ON, the setting
is complete. Set the mode selector to . (Set to L-ON/

4

RUN

D-ON.)

E3G-L/ML

Design

Power Supply

A full-wave rectification power supply can be used with the
E3G-ML79(T)-G.

Wiring Considerations
The tensile strength of the cable during operation should not
exceed the values shown below.

Model Tensile strength

E3G-R13-G
E3G-MR19(T)-G

E3G-R17-G 10 N max.

50 N max.

● For adjustment

Display

• The following graphs indicate the status of each operation
level.

• Set the E3G so that it will work within the stable operation
range.

Stability indicator (green)

Stable
operation
range
(see note)

Unstable
operation
range
(see note)

Stable
operation
range
(see note)

Note: If the operation level is set to the stable operation range, the E3G will operate with

Operation
level x 1.2

Operation
level

Operation
level

x 0.8

the highest reliability and without being influenced by temperature change, voltage
fluctuation, dust, or setting change.

Incident level

ON

OFF

ON

Operation indicator (Orange)

L·ON D·ON

ON

OFF

OFF

ON

Wiring Considerations
The tensile strength of the cable during operation should not
exceed the values shown below.

Model Tensile strength

E3G-L73
E3G-ML79(T)-G

E3G-L77 10 N max.

50 N max.

Miscellaneous

EEPROM Write Error

If a write error occurs (operation indicator flickers) due to pow­er-off, static electricity or other noise in the teaching mode,
perform teaching again.

E3G-M#(T)-G

Wiring Considerations

• The cable with an external diameter of 6 to 8 mm is recom­mended.

• Securely tighten the cover to maintain water resistance and
dust resistance. The thread size of the conduit socket is PG

13.5

• Do not tighten with the cable caught by the terminal protec­tion cover. Otherwise, the water-resistant structure and like
cannot be maintained.

A-128 Standard Photoelectric Sensors

(Recommended example)

Terminal
protection cover

Rubber bushing

33mm

63mm

(4)

Power supply

(5)

(1) Tc

(3) Tb

Output(2) Ta

Washer

Clamping nut

• Changing to Side-pullout Cable from Vertical-pullout Cable

(1)

(2)

(2)

E39-L129-G Terminal
Protection Cover

Rubber bushing

Washer

Clamping nut

All E3G Models

Design

Load Relay Contact

If a load is used that will spark when it is turned OFF (e.g. a
contactor or valve), the usually closed side may be turned ON
before the usually open side is turned OFF or vice versa. If
both usually open output and usually closed output are used
simultaneously, apply an surge suppressor to the load. (Refer
to OMRON's "Switch/Relay/Connector (PCB Product) Cata­log" for typical examples of surge suppressors.

Wiring Considerations

Connection/Wiring

The E3G has load short-circuit protection. If load short-circuit
or like has occurred, the output turns OFF. Therefore, recheck
the wiring and switch power on again. This resets the short­circuit protection circuit. Load short-circuit protection is acti­vated when a current of 2 times or more of the rated load cur­rent flows. When using an L load, use the one the inrush
current of which is less than 1.2 times of the rated load cur­rent.

E3G

(3)

(4)

Rubber bushing *

Cap *

Note: * Provided with the E39-L129-G

Pro-

ce-

Operation

dure

A Remove the present cover.

Attach the E39-L129-G Terminal Protection Cover for

B

side-pullout cable.
Remove the clamping nut, washer, and rubber bushing

C

of the E3G. These are used for the side-pullout cable.
Attach the rubber bushing and cap provided with the

D

E39-L129-G to the E3G as replacements.

Mounting

• If Sensors are mounted face-to-face, ensure that no optical
axes cross each other. Otherwise, mutual interference may
result.

• Be sure to install the Sensor carefully so that the directional
angle range of the Sensor will not be directly exposed to in­tensive light, such as sunlight, fluorescent light, or incan­descent light.

• Do not strike the Photoelectric Sensor with a hammer or any
other tool during the installation of the Sensor, or the Sensor
will loose its water-resistive properties.

• Use M4 screws for Sensor installation.

• For case installation, tighten it to the torque of 1.2 Nm max.

Water Resistance
Tighten the operation cover screws and terminal block cover
screws to a torque of 0.3 to 0.5 Nm in order to ensure water
resistivity.

A-129E3G

Dimensions (Unit: mm)

Sensors

Retroreflective Models

Pre-wired
E3G-R13-G

Connector type
E3G-R17-G

Receiver

18.8

24.4

Emitter

Terminal block
E3G-MR19-G

E3G-MR19T-G

Operation indicator (Orange)

Stability indicator (Green)

12

1.1
R11

R7

22

68.5

67.8

14

12

21

Receiver

12

Operation mode selector

M2.6

Sensitivity
adjuster

47.8
45

43

R11

Two, 4.5 dia.
mounting holes

25

29

Vinyl-insulated round cable with three
conductors, 6 dia. (17
standard length: 2 m

Operation indicator (Orange)
Stability indicator (Green)

Sensitivity adjuster

Mounting
Holes

2-M4

25

x 0.16 dia.);

Operation mode selector

M2.6

OFF-delay adjuster *
ON-delay adjuster *

Two, 4.5 dia.
mounting holes

Note: All dimensions other than the

ones specified below are the
same as the corresponding di­mensions of E3G-R13-G.

8
7

10

37 8

43

Note: * The ON or OFF-delay adjuster is

not available with the E3G-MR19.

connector

Mounting Holes

M12

2-M4

10.5 dia.

18.8

35.95

Emitter

R7

22

84.45

84.95

14

6

2.1
12

29

16 37

44

68

Conduit PG 13.5

74

Hexagonal nut (Diagonal: 22)
Application cable: 6 to 8 dia.

37

74

A-130 Standard Photoelectric Sensors

Distance-setting

Pre-wired
E3G-L73

Connector type
E3G-L77

TEACH buttonOperation indicator (Orange)

E3G

Receiver

14 dia. lens

12.8

Emitter

Terminal block
E3G-ML79-G

E3G-ML79T-G

Indicators
Stability indicator (Green)
Teaching indicator (Red and green)

14

18

68.5

Receiver

67.8

14

30

13.7
21

47.8
45

43

Indicators
Stability indicator (Green)
Teaching indicator
(Red and green)

M2.6

Operation mode selector

Two, 4.5 dia.
mounting holes

25

29

Vinyl-insulated round cable with three
conductors, 6 dia. (17 x 0.16 dia.);
standard length: 2 m

Operation indicator
(Orange)

TEACH button

Mounting
Holes

Operation mode

M2.6

selector

OFF-delay adjuster *
ON-delay adjuster *

M2.6 nut

2-M4

25

Two, 4.5 dia.
mounting holes

Note: The figures and dimensions not

given are the same as those of
E3G-L73-G shown on the left.

8
7

10

37 8

43

E3G-ML79-G does not equipped ON-delay adjuster
and OFF-delay adjuster.

M12

connector

Mounting Holes

2-M4

10.5 dia.

14 dia.
lens

30

24.4

Emitter

13.7
29

18

84.95

84.45

6

16 37

44

68

74

37

Hexagonal nut (Diagonal: 22)

Conduit PG 13.5

74

A-131E3G

Accessories (Order Separately)

Terminal Protection Cover for Side-pullout Cable

E39-L129-G

Terminal Protection Cover for Side-pull­out Cable (Example of E3G-MR19-G)

M2.6

19

81.5

Note: 1 . The cover is provided with a rubber bushing and cap

to prevent the cable from being pulled out in vertical
direction.

29

Reflectors and Mounting Brackets

H-3

M2.6

61.8

22

90.3

81

44 Cap (Attach to E39-L129-G)

(Conduit)

Hexagonal nut
(Diagonal: 22)
Applicable cord: 6 to 8 dia.

ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.

Cat. No. E278-E2-04-X

In the interest of product improvement, specifications are subject to change without notice.

A-132 Standard Photoelectric Sensors