2
E3X E3X
2
Fiber-Optic Photoelectric Sensor E3X
High Performance Amplifier Has Fast
Response Time, Longer Sensing
Distance and Self-Diagnostic Functions
Ordering Information
Use E32-series fiber-optic cables. Refer to E32 data sheet in this catalog for specifications.
■FIBER-OPTIC CABLES
■HIGH GAIN AMPLIFIERS
Part number NPN output E3X-H11
Type High sensitivity
Self diagnostic function None
Off-delay timer Provided
Light source Red LED
Part number NPN output E3X-A11 E3X-A21 E3X-F21 E3X-VG11 E3X-VG21
PNP output E3X-A41 E3X-A51 E3X-F51 — —
Type General-purpose High-speed Mark sensing
Self-diagnostic function None Provided Provided None Provided
Off-delay timer None Provided Provided None Provided
Light source Red LED Green LED
■AMPLIFIERS
Note: Neither cover has any printing, such as part number, voltage or wiring information.
■ACCESSORIES
Description Part number
Cover with adjustment knob Clear cover with gray knob allows sensitivity adjustment without E39-G3
removing cover. Enclosure rating is reduced to IP50.
Replacement cover Smoked gray plastic like original cover E39-G4
■Ultra fast 20 µsec. response time (E3X-F)
■Extended sensing distance (E3X-H)
■User friendly features:
- 8-turn sensitivity with position indicator
- IP66 enclosure rating
- Slim body mounts on DIN rail
■Set-mode blinking light source aids
alignment
3
E3X E3X
3
Part number NPN E3X-A11 E3X-A21 E3X-F21 E3X-VG11 E3X-VG21
PNP E3X-A41 E3X-A51 E3X-F51 — —
Supply voltage 10-30 VDC 12-24 VDC±10% 10-30 VDC
10% ripple max. 10% ripple max. 10% ripple max.
Current consumption 35 mA max. 40 mA max.
Required fiber optic cables All E32-series
Light source Pulse-modulated red LED (660 nm)
Pulse-modulated green LED (565 nm)
Operation mode Light-ON, Dark-ON or SET modes (switch selectable)
Sensitivity 8-turn potentiometer with clutch and indicator
Mutual interference protection Not provided
Control Type NPN — open collector
PNP — open collector
Max. load 100 mA, 30 VDC max. 100 mA, 40 VDC max.
Max. ON-state 1 VDC max. at 100 mA
voltage drop
Response time 200 µs max. ON: 20 µs max. 200 µs max.
OFF: 30 µs max.
Timing functions — OFF-delay, — OFF-delay,
0.01 to 0.1 sec, 0.01 to 0.1 sec,
adjustable; adjustable;
switch selectable
switch selectable
Alarm output — 50 mA, — 50 mA,
30 VDC max. 40 VDC max.
Check input Input voltage — Light OFF: — Light OFF:
1.5 V max. 1.5 V max.
Circuit protection Output short circuit protection, DC power reverse polarity protection
Indicators Light received (red LED) and output stability (green LED)
Materials Case Heat-resistant ABS
Cover Polycarbonate
Mounting DIN rail track, or on flat surface through holes in bracket (provided)
Connections Prewired 3 conductor 5 conductor 3 conductor 5 conductor
cable, cable, cable, cable,
2 m (6.5 ft) 2 m (6.5 ft) 2 m (6.5 ft) 2 m (6.5 ft)
Weight 100 g (3.5 oz.) with 2 m cable
Enclosure rating IEC IP66 (with cover on)
Ambient Operating -25° to 55°C with no ice buildup (-13° to 131°F)
temperature Storage -40° to 70°C (-40° to 158°F)
Specifications
output DC
solid-
state
4
E3X E3X
4
■HIGH GAIN AMPLIFIER
Part number E3X-H11
Supply voltage 10 - 30 VDC
10% ripple max.
Current consumption 35 mA max.
Required fiber optic cables All E32 series
Light source Pulse modulated Red LED (660 nm)
Operation mode Light ON, Dark ON
Sensitivity 8 turn potentiometer
Control Type NPN - Open collector
Max. load 100 mA, 30 VDC
Max. ON-state 1 VDC max. at 100 mA
voltage drop
Response time 1 m sec max.
Timing functions OFF DELAY
40 ms Fixed
Switch selectable
Circuit protection Output short-circuit protection, DC power reverse polarity protection
Indicators Light received (Red LED) and output stability (Green LED)
Materials Case Heat resistant ABS
Cover Polycarbonate
Mounting DIN rail track, or on flat surface through holes in bracket (provided)
Connections Prewired 3 conductor cable
2 m (6.5 ft)
Weight 100g (3.5 oz) with 2 m cable
Enclosure ratings IEC IP66 (with cover on)
Ambient temperature Operating -25° to -55°C with no icing build-up (-13° to 131°F)
Storage -40° to 70°C (-40° to 158°F)
output DC
solid-
state
5
E3X E3X
5
Note: Set the mode selector to L-ON or D-ON after
the light axis is adjusted.
Stable Operation
Indicator (Green Indicator)
Sensitivity Indicator
The position of the indicator
can be checked.
8-turn Sensitivity
Adjuster
E3X-H11
Mode Selector
SET: The light source
flashes. Set to this
mode to adjust the
light axis.
L-ON: Output transistor
is ON when light
is received.
D-ON: Output transistor
is ON when light
is not received.
Light Reception
Indicator (Red Indicator)
Hysteresis Adjuster
Timer Switch
ON: Timer function
is ON.
OFF: Timer function
is OFF.
E3X-A21/-A51
E3X-F21/-F51
E3X-VG21
E3X-A11/-A41
E3X-VG11
Light Reception
Indicator (Red Indicator)
Sensitivity Indicator
Sensitivity adjustment
can be checked visually.
Stable Operation
Indicator (Green Indicator)
8-turn Sensitivity
Adjuster
Nomenclature
Mode Selector
SET: The light source
flashes. Set to this
mode to adjust the
light axis.
L-ON: Output transistor
is ON when light
is received.
D-ON: Output transistor
is ON when light
is not received.
Light Reception
Monitoring Terminal
Monitoring is used with
the E39-VX Beam Checker
Light Reception
Monitoring Terminal
Monitoring is used with
the E39-VX Beam Checker
Mode Selector
SET: The light source
flashes. Set to this
mode to adjust the
light axis.
L-ON: Output transistor
is ON when light
is received.
D-ON: Output transistor
is ON when light
is not received.
Light Reception
Monitoring Terminal
Monitoring is used with
the E39-VX Beam Checker
Stable Operation
Indicator (Green Indicator)
Sensitivity Indicator
Timer Sensitivity
Adjuster
Light Reception
Indicator (Red Indicator)
Timer Switch
ON: Timer function
is ON.
OFF: Timer function
is OFF.
6
E3X E3X
6
Type Model Mode Output Output circuit
switch transistor
NPN E3X-H11 Light ON ON when light
E3X-A11 is received.
E3X-VG11
Dark ON ON when light
is not received.
E3X-A21 Light ON ON when light
E3X-VG21 is received.
E3X-F21
Dark ON ON when light
is not received.
PNP E3X-A41 Light ON ON when light
is received.
Dark ON ON when light
is not received.
E3X-A51 Light ON ON when light
E3X-F51 is received.
Dark ON ON when light
is not received.
■ OUTPUT CIRCUITS
Light
(red) Stability
(green)
Black
Brown
Load
Blue
ZD
ZD: VZ = 39 V
100 mA max.
Light
(red) Stability
(green)
Orange
Main
circuit
Brown
Load
(relay)
Blue
Z
ZD (Zener diode): VZ = 39 V
Self-
diagnosis
output
Pink
Load
(relay)
Control
output
External-
check
input
Z
10 K
Light
(red) Stability
(green)
Main
circuit
Blue
ZD: VZ = 39 V
Black
ZD
Brown
100 mA max.
Load
Light
(red) Stability
(green)
Main
circuit
Blue
ZD (Zener diode): VZ = 39 V
Black
Z
Brown
Control
output Load
(relay)
Pink
10 K
Z
External-
check input
Orange
Load
(relay)
Self-diagnosis
output
Main
circuit
Black
Operation
7
E3X E3X
7
Type Model Mode Output Timing circuit
switch transistor
NPN E3X-H11 Light ON ON when light
E3X-A11 is received.
E3X-VG11
Dark ON ON when light
is not received.
E3X-A21 Light ON ON when light
E3X-VG21 is received.
E3X-F21
Dark ON ON when light
is not received.
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release (Between brown and black)
(Between brown and black)
(Between brown and black)
(Between brown and black)
■ TIMING CHARTS
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
T
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
T
8
E3X E3X
8
Type Model Mode Output Timing chart
switch transistor
PNP E3X-A41 Light ON ON when light
is received.
Dark ON ON when light
is not received.
E3X-A51 Light ON ON when light
E3X-F51 is received.
Dark ON ON when light
is not received.
(Between blue and black)
(Between blue and black)
(Between blue and black)
(Between blue and black)
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
Light received
Light not received
Light indicator
(Red)
Output
transistor
Load
(relay)
ON
OFF
ON
OFF
Operate
release
T
T
9
E3X E3X
9
Sensing method Detection Light Indicators
Through-beam OFF
ON
Reflective Detection ON
OFF
Detection of the ON
difference in color or
shade
OFF
Retroreflective OFF
ON
Detection —with sensing object— 1
Note: 1. If the indicators operate as described in the table, the E3X can operate in stable condition within the rated temperature range.
2. Even when the green indicator is OFF, the E3X will operate stably if the operating temperature change since the initial
settings is within ± 10°C.
Using a sensing object, set the Sensitivity Adjust so that the indicators operate as described in the following table:
Green: light ON
Red: light OFF
Green: light ON
Red: light ON
Green: light ON
Red: light OFF
Green: light ON
Red: light ON
Green: light ON
Red: light ON
Green: light ON
Red: light OFF
Green: light ON
Red: light OFF
Green: light ON
Red: light ON
Reflecting plate
With sensing object
Detection —with/o sensing object— 1
Without sensing object
Detection Single —with sensing object— 1
Detection —without sensing object— 2
Detection —color high reflection— 3
Detection —color low reflection— 3
Detection —with sensing object— 4
Without sensing object
With sensing object
Without sensing object
Color that has a low
reflective ratio
Color that has a high
reflective ratio
With sensing object Reflecting plate
■ ADJUSTING SENSITIVITY
E3X-H11/-A❏❏/-F❏❏/-VG❏❏
