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BOS 18MR-...-RE/RS20-S4
Photoelectric Sensors – Red light thru-beam
User's Guide
Product information
Safety Notes
These photoelectric sensors may not be used in
applications where personal safety depends on
proper function of the devices (not safety
designed per EU machine guideline). Read
these operating instructions carefully before
putting the device into service.
Caution! Red light beam!
Temporary glare and irritation of eyes might occur.
DO NOT LOOK INTO THE LIGHT BEAM!
The CE Mark verifies that our products
meet the requirements of the current
EMC Directive.
In our EMC laboratory, which is accredited by DATech for
testing electromagnetic compatibility, evidence has been
provided that the Balluff products satisfy the EMC
requirements of IEC 60947-5-2.
Display and operating elements
single turn potentiometer for setting of
switching point
green LED: indicates power/error
yellow LED: indicates light reception/
limit range
Green LED: Operating display
LED on: Power present
LED off: Sensor not ready
LED flashing (1:10): IO-Link communication
LED flashing (1:1): Error
Yellow LED: Output function
LED on: Light received and over switching threshold
LED off: No light received
LED flashing: Excess gain < 1.5
Potentiometer (only at receiver)
Setting: Switching distance
english
1
Order code Thru-beam
BOS027U
BOS18MR-PAI-RE20-S4 receiver
BOS027W
BOS18MR-XU-RS20-S4 emitter
–
Optical bandpass filter for greatest possible ambient light rejection
–
Highly visible light spot for easy alignment
–
Rugged housing
–
Excess gain indicator for high operating reliability
Installation
Caution!
Do not look into the light beam.
The sensor must be installed as to prevent a direct line of
eyesight to the light source, even during operation.
For operation no further precautions are required
(Exempt group acc. IEC 62471).
Receiver
Receiver
Emitter
Emitter
PNP N.O.-N.C.,
B1 = 7
B2
24
52.9
48
9
74.9
91.6
24
48
9
75
91.6
IO-Link
IO-Link
LED green
LED yellow
Sn
LED green
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