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

│

[email protected] •www.ipf-electronic.com 1

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

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

│

[email protected] •www.ipf-electronic.com 2

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

│

[email protected] •www.ipf-electronic.com 3

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

│

[email protected] •www.ipf-electronic.com 4

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