• Retro reflective E3NT-R models with
sensing distance up to 16 m
• Two programmable outputs for ’window teaching’
• Double triangulation for stable detection of reflective objects
• IP67 and IP69k for highest resistance
in wet environments
E3NT
Condensation in often cleaned environments or due to rapid temperature
changes is prevented by the completely sealed housing of the E3NT and the
optional window heating.
Application
With the optic link, the sensor can be
remotely set and checked while it is operating in an area where access is restricted.
This robust sensor is ideal for operation in harshest environments.
A-83E3NT
Ordering Information
Sensors
Sensing methodTypeAppearanceConnection
method
Distance setting
(BGS/FGS)
Long distanceM12 Connector
(5-pole)
Window heating0.2 m .. 2.0 mE3NT-LH17
Fast responseE3NT-L17
Sensing / Setting distanceModel
0.2 m .. 3.0 m (90% remission)
E3NT-L17-20
0.2 m .. 2.7 m (6% remission)
200 mm3,000 mm
E3NT-L37-20
200 mm2,000 mm
E3NT-LH37
E3NT-L37
Analog and
E3NT-L27
digital output
E3NT-L47
Retro reflective
(with MSR-polarisa-
Long distance0.2 m .. 16.0 m (with E39-R8)E3NT-R17
200 mm16,000 mm
tion)
E3NT-R37
Accessories (order separately)
Optical data link
Communication method to sensorAppearanceCommunication method to PCModel
IR data interfaceRS232E3NT-AL232 2M
Laser alignment aid
Max. distance for visible spotAppearanceOperation timeModel
50 mmin. 5 hours with new batteryE3NT-AP1
A-84Standard Photoelectric Sensors
Mounting brackets
for M3
AppearanceModelQty.Remarks
Reflectors
E39-R8
E39-EL11Universal mounting bracket
E3NT
E39-EL21Adapter bracket (for use of the universal mounting bracket for
not matching holes)
E39-EL31Adapter bracket replacing E3N with E3NT
9
100
92
92
100
ffor M3
Sensor I/O connectors
SizeCable typeShapeCable lengthModel
M12Standard 5-pole2mXS2F-D521-DG0-A
Straight
5mXS2F-D521-GG0-A
L-shape
2mXS2F-D522-DG0-A
5mXS2F-D522-GG0-A
Standard 4-pole
Straight
2m934 401 101 (PVC)
(Pin 5 not connected)
934 401 201 (PUR)
5m934 401 100 (PVC)
934 401 200 (PUR)
L-shape
2m934 402 102 (PVC)
934 402 201 (PUR)
5m934 402 100 (PVC)
934 402 200 (PUR)
A-85E3NT
Rating/performance
Sensors
ItemModel
E3NT-L17
E3NT-L37
Sensor type Diffuse reflective sensor with background suppression respectively
foreground suppression
Signal evaluation Double triangulation method Polarization
Configuration By push button on the sensor or with a PC connected via the optical data link E3NT-AL232
2m
Operating modes Background suppression, foreground suppression, background and
foreground suppression (2-point window evaluation)
Light sourceInfrared LED 850 - 880 nmRed LED
Rated sensing distance2 m3 m16 m
Setting distance SrDistance – setting possible between---
0.2 ... 2.0 m (90 % remission)
0.2 ...1.7 m (6 % remission)
Standard measured object Kodak gray card 90% (white), size: 200 x 200 mm--Blind zone < 0.1 m< 0.15 m
Black/white error (6%/90%) < 15 % of setting distance Sr--Hysteresis (typical)< 5 % of setting distance Sr or 4 cm (for white 90 %)
< 10 % of setting distance Sr or 6 cm (for black 6 %)
Light spot diameter < 40 mm in the case of Sr = 2 mapp. 100 mm*1
Minimum object size > 40 mm
Ambient light immunity to
EN 60947-5-2:
Utilization category to EN 60947-5-2 DC 12
Rated operating voltage+ 24 V DC, polarized
Operating voltage range+ 10 ... + 30 V DC+ 11 ...
Current consumption< 90 mA
Power-on delay< 300 ms
Input – / Output – pins Pin 2 = Input (In 2) or output (Out 2), depending on configuration
Digital OutputsUser set functions (e.g. switching output, alarm output, ...)
Output circuitUser set PNP (open collector), NPN (open collector) or complementary (push-pull)
Output currentmax. 100 mA
Voltage drop< 2.0 V
Residual current< 100 µA
Circuit protectionReversed power supply, overload, short-circuit (pulsed)
Halogen lamps (100-120 Hz > 10,000 lux
Fluorescent lamps (30 kHz) > 5,000 lux
Energy saving lamps > 2,000 lux
(display off)
< 110 mA
(display on)
Pin 4 = Output (Out 1)
Pin 5 = Input
(In 1)
E3NT-L27
E3NT-L47
< 100 mA
(display off)
< 120 mA
(display on)
Pin 5 = Analog
output
E3NT-LH17
E3NT-LH37
0.2 ... 2.0 m
(90 % remission)
0.2 ...1.4 m
(6 % remission)
< 220 mA with
front pane heating
Pin5 = Input (In1)
E3NT-L@7-20E3NT-R
Retroreflective
sensor
---
660 nm
0.2 ... 3.0 m
(90 % remission)
0.2 ...2.7 m
(6% remission)
< 10 % of setting
distance Sr or
10 cm (for
white)
< 15 % of setting
distance Sr or
10 cm (for
black)
distance Sr) or
10 cm
+30VDC
< 110 mA
(display off)
< 130 mA
(display on)
0.2 ... 16.0 m
---
---
at 10 m
+ 10 ...
+30VDC
< 80 mA
(display off)
< 110 mA
(display on)
A-86Standard Photoelectric Sensors
ItemModel
E3NT-L17
E3NT-L37
E3NT-L27
E3NT-L47
E3NT-LH17
E3NT-LH37
E3NT-L@7-20E3NT-R
InputsUser set functions (e.g. teach-in, trigger, test, ...)
supply
Voltage input
+10 V ... U
supply
Input circuitVoltage input +10 V ... U
Voltage input
supply
+11 V ... U
Input pulse durationmin. 1 ms
Analog OutputCurrent output
3..21mA:
• 3 mA correspond to
distance < 0.2
m
• 4 ... 20 mA
correspond to
distance 0.2
m ... 2.0 m
• 21 mA correspond
to distance >
2.0 m
(or no object)
Switch-on/off time (TON / T
)≤2.5 ms≤5 ms≤2.5 ms≤20 ms≤2.0 ms
OFF
Insulation resistance 20 MΩat 500 V DC
Insulation voltage strength 1,0 kV AC, 50/60 Hz (1 min)
Impulse strength (insulation) 1,5 kV
Dimensions (length x width x depth)85 x 27 x 65 mm
Materials
Housing color Grey, RAL 7030
Assembly Screw fastening by way of four M5 threads and two M5 through holes or with universal
mounting bracket (order separately)
Connection M12 connector, 5-pole (piercing)
Ambient temperature range - 25 °C ... +
55 °C
- 10 °C ... +
55 °C
- 40 °C ... +
55 °C
- 25 °C ... + 55 °C
(analog output)
Storage temperature range - 40 °C ... + 60 °C- 40 °C ... + 70 °C
Permissible relative humidity 35 % ... 95 %, no condensation
Enclosure rating IP 67 (EN 60529), IP 69k (DIN 40050)
Protection class II (50 V DC)
Vibration resistance ± 1.5 mm, 1 h , 10 - 70 Hz (IEC 68-2-6)
Shock resistance 300 m/s² (IEC 68-2-27)
User set parameters-Mode
-Output function
-Teach/set switching points
-Output switching
-Function on connector pin 2 and 5
-Switch-on and off delay
-Type of switch-off time function
-Type of display on the sensor
-Keyboard lock
-Energy saving mode
-Display direction
-Reset to factory defaults
*1.
see diagramm
E3NT
A-87E3NT
Accessories
E3NT-AL 232 2 M
Item
Dimensions (length x width x depth)29.5 x 72.9 x 26.4 mm
Housing materialABS and PMMA (IR transparent)
Housing colourBlack, RAL 9005
AssemblySnap mounting on sensor
Connection2 m connecting cable with 9-pole sub-D connector
Ambient temperature range- 10 °C ... + 50 °C
Storage temperature range- 40 °C ... + 60 °C
Permission relative humidity35% ... 85%, no condensation
Degreee of protection to
EN 60529 / IEC 529
Emitted lightIR communication element 880 nm
Rated operating voltageVia RS 232 interface from PC
Current consumption6 mA
E3NT-AP1
Item
Supply voltage3 V DC
Battery typeButton battery Ø 11.6 mm, thickness: 5.4 mm, 3 Vm, type: CR1/3N
Ambient temperature range+ 10 °C ... + 40 °C
Storage temperature range- 40 °C ... + 60 °C (with no icing or condensation)
Ambient humidityOperation and storage: 35% ... 85% (with no icing or condensation)
Ambient environmentNo corrosive gases
Operation time periodmin. 5 hours operation with 1 new battery
Degree of protectionIP20 (EN 60529)
Case materialCase: ABS/PC
WeightApprox. 42 g
Accessories:1 Instruction sheet, 1 battery type CR1/3N
Max. distance for a visible beam spotabout 50 m (depending on the ambient light and surface conditions)
Laser beam power< 1 mW
Laser classLaser Class II
IP 54
Base plate: Aluminium
A-88Standard Photoelectric Sensors
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