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Product Description
The BUS M12M1 sensor offers a
non-contact measurement of the dis-
tance to an object that has to be pre-
sent within the sensor's detection
zone. Depending on the set window
limits, a distance-proportional ana-
logue signal is output.
The window limits of the analogue
output and its characteristic can be
adjusted with the Teach-in proce-
Operating Manual
dure.
One 2-colour LED indicates operation
BUS M12M1 ultrasonic sensor
and the state of the analogue out-
with one analogue output
put.
BUS M12M1-XA-02/015-S04G
BUS M12M1-XB-02/015-S04G
BUS M12M1-XA-05/024-S04G
BUS M12M1-XB-05/024-S04G
Sensor adjustment with Teach-in procedure
Set window
margins
Place object at position
Connect Teach-in for about
3 s to +U
, until LED
B
flashes yellow.
LED:
flashes green/yellow
Place object at position
Connect Teach-in for about
1 s to +U
B.
Safety Notes
Read the operating instructions
prior to start-up.
Connection,
adjustment works should be car-
ried out by expert personnel only.
No
safety
accordance with the EU Machine
Directive
Use for intended purpose only
BUS M12M1 ultrasonic sensors are
used for non-contact detection of
objects.
Set rising/falling output
characteristic curve
.
Connect Teach-in for about
13 s to +U
, until LED
B
flashes green/yellow
alternately.
LED flashes:
green, green/
yellow:
.
rising,
green:
falling charac-
teristic curve
To change output charac-
teristic connect Teach-in for
about 1 s to +U
B.
Wait for about 10 s.
Normal operating mode
Set analogue output
Installation
Mount the sensor at the installa-
tion site.
installation
and
Connect a connection cable to the
M12 device plug.
The assembly distances shown in fig.
component
in
2 for two or more sensors should not
be fallen below in order to avoid mu-
tual interference.
2
1
3
4
1
+U
B
3
0 V
4
Out I/U
2
Teach-in
Fig. 1: Pin assignment with view onto sensor
plug and colour coding of the
Balluff connection cable
Reset to factory setting
Switch off power supply.
Connect Teach-in to +U
Switch on power supply.
Keep Teach-in connected to
+U
for about 13 s,
B
until LED flashes
green/yellow alternately.
Disconnect Teach-in from
+U
within 5 s before
B
switching off power supply.
Normal operating mode
Further settings
Start-Up
■ Connect the power supply.
■ Carry out the sensor adjustment in
accordance with the diagram.
≥0,25 m
≥1.3 m
≥0.25 m
≥1.4 m
colour
brown
Fig.2:
Assembly distances, indicating syn-
blue
chronization
black
white
B.
Factory Setting
Rising
analogue
characteristic
curve between the blind zone and
the operating range
Maintenance
Balluff sensors are maintenance-free.
In case of excess caked-on dirt we
recommend to clean the white sen-
sor surface.
Notes
Every time the power supply is
switched on, the sensor detects its
actual operating temperature and
transmits it to the internal tempe-
rature compensation. This results
in a slight correction of the ana-
logue output value after 45 se-
conds.
If the sensor was switched off for
at least 30 minutes and after po-
wer on an object is placed in the
middle of the adjusted analogue
window for 30 minutes (the ana-
logue output value is in the range
of 11 to 13 mA or 4.4 to 5.6 V) a
new adjustment of the internal
temperature compensation to the
actual mounting conditions takes
place.
The sensors of the BUS M12M1
family have a blind zone. Within
this zone a distance measurement
is not possible.
In the normal operating mode, an il-
luminated yellow LED signals the ob-
ject is within the adjusted window
limits.
The sensor can be reset to its fac-
tory setting (see »Further set-
tings«).
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