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Verfügbare Sprachen
Photoelectric Sensors
Laser diffuse reflective BOS 21M-...-LD10-..
No. 830 510 E • Edition 0503
Laser Diffuse reflective 600 mm
BOS 21M-PA-LD10-S4 (PNP)
BOS 21M-NA-LD10-S4 (NPN)
Safety Advisory
Laser protection regulations: The transmitter
and the laser light barrier comply with laser
protection class II in accordance with DIN EN
60825-1/94. Therefore no additional protective
measures are necessary for operation.
These Photoelectric Sensors are not suited for
safety related applications.
The CE-Marking means that our products
conform to the requirements of the EC Guidelines
89/336/EWG (EMC) and the EMC Statute.
Testing in our EMC Laboratory, which is accredited by
DATech for Testing of Electromagnetic Compatibility, has
shown that these Balluff products satisfy the EMC
requirements of the following Generic Standards:
− EN 50 081-2 (Emission) and
− EN 50 082-2 (Noise Immunity)
Display and operating elements
Yellow LED:
Output function indicator: The yellow LED ON indicates
that the output is active.
Green LED:
Power on indicator: The green LED indicates that the
sensor is operating and the laser is active.
Potentiometer
The potentiometer can be used to adjust sensitivity.
Caution! Do not turn the potentiometer beyond the
mechanical stop at 270°.
1 yellow LED: Output function
indicator
2 green LED: Power on indicator
3 Potentiometer
Fig. 1: Display and operating elements
Connections
1 10...30 V DC
2 Output N.C.
3 0 V
4 Output N.O.
Fig. 2: M12 connector
3
Installation
There are three ways to attach the sensor:
1. Using two screws (M4) and washers through the
housing mounting holes.
2. Using a mounting bracket (available separately).
3. Using special clamps (available separately) and the
dovetail housing profile.
The operating distance is measured from the front surface
of the sensor optics.
The M12 connector can be oriented at four different
ratchet positions of 0°, 90°, 180° or 270°.
Fig. 3: Dimensions
Setting
1. Position the sensor at the desired distance.
2. Turn the potentiometer to minimum (shortest range) so
that the green LED is ON, the yellow LED is OFF.
3. Position the target In the beam path.
4. Turn the potentiometer slowly clockwise until the yellow
LED turns ON (Target detected state, Pos. a).
5. Remove the target, the yellow LED turns
OFF.
6. Turn the potentiometer further clockwise
until the yellow LED turns ON (Background
detected state, pos. b). If no background is
detected, Position b is covered with the
max. setting.
7. Turn the potentiometer to the intermediate position c.,
between the two positions a and b. The green LED
must be ON. Now the sensor is optimally calibrated.
a Receiver axis
b Emitter axis
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