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Photoelectric Sensors
Red light Retro-reflective sensor BOS 50K-..-PR10-... with polarizing filter
Function reserve
Reflector distance [m]
Fig. 4: Function reserve depending on distance from sensor
to reflector
The function reserve is a unitless factor which indicates
how much more light reaches the receiver than is neces-
sary for function of the sensor. The larger the factor, the
more stable the sensor operates. For applications in dirty
surroundings a greater function reserve is needed than
under laboratory conditions. The maximum range of the
sensor should therefore not always be used.
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Technical Data
Optical
Range with reflector
BOS R-1
18 m
BOS R-47
22 m
Light type
red light
Polarizing filter
yes
Wave lenght l
630 nm
LED-Gruppe acc. to IEC 62471
Exempt Group
Light spot size at sr max.
typ. 200 x 200 mm
Electrical
Supply voltage U
10...30 V DC
B
Rated operating voltage U
24 V
e
No-load current I
< 50 mA
O
Effective operating current I
100 mA per output
e
Voltage drop U
at I
< 2.5 V
d
e
Turn-on delay
< 1.25 ms
Turn-off delay
< 1.25 ms
Switching frequency f
400 Hz
Output depending on version
PNP or NPN
Short circuit protected
yes, both outputs
Reverse polarity protected
yes
Output function
BOS 50K-PS-/-NS-...-S4
dark-on (Pin 4)
BOS 50K-PO-/-NO-...-S4
light-on (Pin 2)
BOS 50K-PA-/-NA-...-S4
dark-on (Pin 4) +
light-on (Pin 2)
BOS 50K-PA-...-S4S
dark-on (Pin 2) +
light-on (Pin42)
Sensitivity setting
270° potentiometer
Usage category
DC 13
Protection class
II
Mechanical
Connection type dep. on version
M12-connector, 4-pin
270° rotatable, with
detents
Housing material
ABS/PC
Active surface material
Glass
Housing dimensions
28.5 x 62 x 80.5 mm
Weight
95 g
Displays
Light reception indicator
yellow LED
Function reserve < 1.5
yellow LED (flashing)
Power on
green LED
Ambient
Ambient temperature T
–5... +55°C
a
Enclosure rating per IEC 60529
IP 67
Ambient light rejection
10 kLux
Reference reflector
BOS R-1
Photoelectric Sensors
Red light Retro-reflective sensor BOS 50K-..-PR10-... with polarizing filter
www.balluff.com
Balluff GmbH
Schurwaldstrasse 9
73765 Neuhausen a.d.F.
Germany
Phone + 49 7158 173-0
Fax +49 7158 5010
balluff@balluff.de
www.balluff.com
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