ipf electronic PT120320 Manuale utente
PT120320
laser sensors,
diffuse reflection with background suppression
background suppression
time-of-flight measuring method
infrared laser, laser protection class 1
adjustment via teach-in
push-pull switching output
window function programmable
short-circuit and reverse polarity protected LED-
display
M12-connector, 4-pin
diffuse reflection laser sensor
with background suppression
Description
With this new device ipf electronic presents for the
first time an extremely compact optical diffuse
reflection laser sensor with background suppression
that is able to detect objects completely
independent of their color. The background
suppression works according to the so-called “time-
of-flight” principle
(TOF), a transit time method used for distance
measurement. With this method, the distance of
an object is determined by measuring the time-of-
flight of a light pulse that is emitted by a
sensor transmitter, reflected by the detected
object and then finally captured by the sensor
receiver.
The range, or rather the switching distance,
of this compact diffuse reflection sensor is
therefore fully independant of the reflective
properties of the object surface that is to be
detected. The sonsors operate with infrared laser
light of laser protection class1.
The electrical connection is made via a 4-pin
M12-connector. To avoid EMC-interferences a
shielded cable socket (e.g. VK205325) has to be used.
MANUAL •Subject to alteration! Version: August 2019
ipf electronic gmbh
•Rosmarter Allee 14 •58762 Altena
│
Tel +49 2351 9365-0 •Fax +49 2351 9365-19
│
connection
colors: 1 = BN (brown), 2 = WH (white), 3 = BU (blue), 4 = BK (black)
functions: 1 = L+, 2 = teach-in, 3 = L-, 4 = push-pull
article-no.
operating range
connection
PT120320
20 … 150mm M12-
connector, 4-pin
TE CHNICAL DATA
sensing range
output signal
20 … 150mm
push-pull, light on- / dark-on mode, no / nc
operating voltage
output current (max. load)
transmitting element
laser protection class
switching frequency
10 … 30V DC
100mA
laser diode, infrared light
1
25Hz
LED yellow
teach - in
+
display
adjustment
short-circuit protection
reverse polarity protection +
M12x1
45mm / 72mm
VA 1.4305
lux acryl 2H
IP65
dimensions
length (
thread / total)
material (housing)
mat
erial (front screen)
protection class (EN 60529)
temperature (operating) -10 … +60°C
connection
connection accessories
mounting accessories (universal holder)
M12-connector, 4-pin
e.g. VK205325 (cable socket M12 shielded)
AV000114 (teach-in-adapter)
AY000115
Warning:
Never use these devices in applications where
the safety of a person depends on their
functionality.
MANUAL •Subject to alteration! Version: August 2019
ipf electronic gmbh
•Rosmarter Allee 14 •58762 Altena
│
Tel +49 2351 9365-0 •Fax +49 2351 9365-19
│
Manual
Status display:
During normal operation, the yellow LED lights up when the switching output is active.
During the teach-mode the LED flashes with different frequencies and thus displays the respective mode.
Factory settings:
After the initial startup, the sensor has the following default settings:
switching distance: approx. 65mm sensing
Description of the teach modes:
To start the teach process, connect the white wire (PIN 2) with the operating voltage.
If this connection exists between 3 and 6 seconds, the yellow LED will flash with a frequency of 5Hz.
After releasing the connection, the teach mode „sensing function“ is active.
If this conection exists between 6 and 10 seconds, the yellow LED will flash with a frequency of 2.5Hz.
After releasing the connection, the teach mode „window function“ is active.
If the connection exists more than 10 seconds, the device will be reset to the factory settings. The yellow
LED flashes with a frequency of 0.5Hz.
Teach process for sensing function
1. Connect for a period of time between 3 and 6 seconds the white wire (PIN 2) with the
operating voltage. The LED flashes with approx. 5Hz.
2. Release the connection. The yellow LED now flashes with a frequency of 0.3Hz.
3. Place the object to be detected at the desired distance in front of the sensor.
4. Connect the white wire (Pin 2) for at least 1 second with the operating voltage. If the LED lights up
at that time, the switching output functions as normally open contact (output is active when
object is detected). If the LED is off at that time, the switching output functions as normally
closed contact (output is active, when object is not detected).
5. If the yellow LED flashes with a frequency of 2.5Hz, the teach process was successfull. You can
release the connection now. The taught value is stored and is also available after switching the
sensor off and on again.
6. If the LED flashes with a frequency of 6Hz, the teach process has failed. The object could not be
detected, beacuse it was e.g. placed beyond the detection range. In this case, the teach process
has to be repeated.
MANUAL •Subject to alteration! Version: August 2019
ipf electronic gmbh
•Rosmarter Allee 14 •58762 Altena
│
Tel +49 2351 9365-0 •Fax +49 2351 9365-19
│
Teach process for window function
1. Connect for a period of time between 6 and 10 seconds the white wire (PIN2) with the
operating voltage. The LED flashes with approx. 2.5Hz.
2. Release the connection. The yellow LED now flashes with a frequency of 1Hz.
3. Place the object to be detected at the switching point at long distance.
4. Connect the white wire (Pin2) for at least 1 second with the operating voltage. The yellow LED
will flash with a frequency of 2.5Hz, if the value is stored.
5. Release the connection.
6. Place the object to be detected at the switching point at small distance. The distance to the
previous taught switching point has to be at least 5mm!
7. Reconnect the white wire (Pin2) for at least 1 second with the operating voltage. The yellow
LED will flash with a frequency of 5Hz, if the value is stored.
8. The teach process is completed. The sensor's output functions as normally open contact, i.e. it
is active, when an object is detected between the two switching points. The taught value is stored
and is also available after switching the sensor off and on again.
9. If the LED flashes with a frequency of 6Hz, the teach process has failed. The object could not be
detected, beacuse it was e.g. placed beyond the detection range. In this case, the teach process has
to be repeated.
Note regarding the switching function:
If you want the output to function as normally closed contact during mode „window function“, i.e.
beyond the taught window, place the object to be detected first (3) at the switching point
at small distance – and then (6) at the switching point at long distance.
Note regarding the switching output:
The terms „normally open contact“ and „normally closed contact“ used in this manual refer to the
wiring diagram A (PNP). If the device is connected according to wiring diagram B (NPN), the switching
output functions inversely.
Reset to the factory setings
1. Connect for more than 10 seconds the white wire (PIN2) with the operating voltage. The LED
flashes with approx. 0.5Hz.
After releasing the connection the sensor functions with the factory settings (switching distance approx.
65mm, sensing).
MANUAL •Subject to alteration! Version: August 2019
ipf electronic gmbh
•Rosmarter Allee 14 •58762 Altena
│
Tel +49 2351 9365-0 •Fax +49 2351 9365-19
│
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