A-86
Standard Photoelectric Sensors
Rating/performance
Sensors
Item
Model
E3NT-L17
E3NT-L37
E3NT-L27
E3NT-L47
E3NT-LH17
E3NT-LH37
E3NT-L
@
7-20
E3NT-R
Sensor type
Diffuse reflective sensor with background suppression respectively
foreground suppression
Retroreflective
sensor
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 source
Infrared LED 850 - 880 nm
Red LED
660 nm
Rated sensing distance
2 m
3 m
16 m
Setting distance Sr
Distance – setting possible between
---
0.2 ... 2.0 m (90 % remission)
0.2 ...1.7 m (6 % remission)
0.2 ... 2.0 m
(90 % remission)
0.2 ...1.4 m
(6 % remission)
0.2 ... 3.0 m
(90 % remission)
0.2 ...2.7 m
(6% remission)
0.2 ... 16.0 m
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 %)
< 10 % of setting
distance Sr or
10 cm (for
white)
< 15 % of setting
distance Sr or
10 cm (for
black)
---
Repetition accuracy
< 5 % (of setting distance Sr) or 4 cm
< 5 % (of setting
distance Sr) or
10 cm
---
Light spot diameter
< 40 mm in the case of Sr = 2 m
app. 100 mm
*1
at 10 m
Minimum object size
> 40 mm
Ambient light immunity to
EN 60947-5-2:
Halogen lamps (100-120 Hz > 10,000 lux
Fluorescent lamps (30 kHz) > 5,000 lux
Energy saving lamps > 2,000 lux
Utilization category to EN 60947-5-2
DC 12
Rated operating voltage
+ 24 V DC, polarized
Operating voltage range
+ 10 ... + 30 V DC
+ 11 ...
+ 30 V DC
+ 10 ...
+ 30 V DC
Current consumption
< 90 mA
(display off)
< 110 mA
(display on)
< 100 mA
(display off)
< 120 mA
(display on)
< 220 mA with
front pane heat-
ing
< 110 mA
(display off)
< 130 mA
(display on)
< 80 mA
(display off)
< 110 mA
(display on)
Power-on delay
< 300 ms
Input – / Output – pins
Pin 2 = Input (In 2) or output (Out 2), depending on configuration
Pin 4 = Output (Out 1)
Pin 5 = Input
(In 1)
Pin 5 = Analog
output
Pin 5 = Input (In 1)
Digital Outputs
User set functions (e.g. switching output, alarm output, ...)
Output circuit
User set PNP (open collector), NPN (open collector) or complementary (push-pull)
Output current
max. 100 mA
Voltage drop
< 2.0 V
Residual current
< 100 µA
Circuit protection
Reversed power supply, overload, short-circuit (pulsed)
F502-EN2-04.book Seite 86 Dienstag, 26. Juli 2005 5:48 17
