Leuze electronic PRK3CLA Autokollimation Bedienungsanleitung

PRK3CLA Autokollimation

Laser retro-reflective photoelectric sensors

Leuze electronic GmbH + Co. KG

[email protected]

In der Braike 1 D-73277 Owen Tel.: +49 (0) 7021 573-0

We reserve the right to make changes – 2018/10 – 50137135-01

www.leuze.com•

1Bildteil

LOW

t = 20 ... 80 ms

HIGH

LOW

t = 120 ... 180 ms

HIGH

LOW

t = 220 ... 280 ms

HIGH

LOW

t = 320 ... 380 ms

HIGH

General information

– The laser retro-reflective photoelectric sensors PRK3CL… have an opti-

mized light beam propagation in the typical range of application of 0…1 m

(not to be confused with the operating range limit, which is 0…3 m in combi-

nation with a reflector MTKS50x50.1). This permits the reliable recognition

of the smallest of parts or the positioning of objects with maximum precision

across the entire area.

– For film6, the sensor's side edge must be aligned parallel to the side edge

of the reflective tape.

– The sensor is constructed on the basis of the autocollimation principle, i.e.,

light being transmitted and light being received propagate along the same

light axis. This permits the photoelectric sensor to be installed directly behind

small holes or diaphragms. The smallest permissible diaphragm diameter for

secure functioning is 3mm.

– The achievable resolution depends significantly on the device setting. De-

pending on the teach mode, the following values are possible:

Setting Detection from object size 1)

Max. operating range (factory setting) 1.5mm

Standard teach (low sensitivity) 1mm

Sensitive teach (increased sensitivity) 0.1…0.2mm

1) All specifications are typical values and may vary by a small amount for each

unit.

Sensor adjustment (teach) via teach button

The sensor is factory-adjusted for maximum operating range. The teach proce-

dure is only necessary if the sensor does not switch when an object enters the

light beam.

(1) Standard teach (low sensitivity) (2) Sensitive teach (increased sensitiv-

ity)

Clear the light path before teaching!

1 Hold down the teach button (2to7

s) until the yellow and green LEDs

flash simultaneously.

1 Hold down the teach button (7to12

s) until the yellow and green LEDs

flash alternately.

2 Release teach button – ready. 2 Release teach button – ready.

After teaching for normal sensor sensi-

tivity, the sensor switches for objects

with a minimum size of 1mm (see table

under "General Information").

After teaching for increased sensor sen-

sitivity, the sensor switches for objects

with a minimum size of 0.1…0.2mm

(see table under "General Information").

If both LEDs flash rapidly after the teach event, a teaching error has happened.

Check the alignment of the light beam onto the reflector and carry out another

teach.

Device settings are stored fail-safe.

(3) Teach at max. operating range (fac-

tory setting)

(4) Set switching behavior (light/dark

switching)

Obstruct the light path before teaching! When the function is activated, the

switching output is always inverted rela-

tive to the previously set state.

1 Hold down the teach button (2to7

s) until the yellow and green LEDs

flash simultaneously.

1 Hold down the teach button longer

than 12s until only the green LED

flashes.

– LED ON: switching output now

light switching (output active if

light path is free)

– LED OFF: switching output

now dark switching (output ac-

tive if object in light path)

2 Release teach button – ready. 2 Release teach button – ready.

The sensor now operates with the maxi-

mum function reserve/operating range.

Note: The yellow LED is not dependent

on the switching behavior setting and

always indicates light switching in nor-

mal operation.

Device settings are stored fail-safe.

Sensor adjustment (teach) via teach input (pin2)

This device setting is only available for sensors in the PRK3CL…A3/…T… variant.

NOTICE

The following description applies to PNP switching logic!

Signal level LOW ≤ 2V

Signal level HIGH ≥ (UB-2V)

With the NPN models, the signal levels are inverted!

Standard teach (low sensitivity)

A Standard teach (low sensitivity) is performed

B Teach button is locked

C Teach button may now be operated again

Sensitive teach (increased sensitivity)

A Sensitive teach (increased sensitivity) is performed

B Teach button is locked

C Teach button may now be operated again

Light switching logic

Switching outputs are light switching, i.e., outputs are active, when there is no ob-

ject currently in the light path.

With antivalent switching outputs: OUT1 (pin4) light switching, OUT2 (pin2)

dark switching.

Dark switching logic

Switching outputs are dark switching, i.e., outputs are active, when there is an ob-

ject currently in the light path.

With antivalent switching outputs: OUT1 (pin4) dark switching, OUT2 (pin2)

light switching.

Locking the teach button via the teach input

This device setting is only available for sensors in the PRK3CL...A3/...T... variant

(teach input via pin 2).

A static high signal (≥20 ms) at the teach input locks the teach button on the sen-

sor if required, such that no manual operation is possible (e.g., protection from er-

roneous operation or manipulation).

If the teach input is not connected or if there is a static low signal, the button is un-

locked and can be operated freely.

A Diaphragm diameter ≥ 3mm

B Typ. application range 0…1m

IO-Link interface

Sensors in the PRK3C…/L… variant have a dual-channel architecture. The IO-

Link interface is available in accordance with specification 1.1.2 (July 2013) on pin

4 (OUT1). You can easily, quickly and economically configure the devices via the

IO-Link interface. Furthermore, the sensor transmits the process data via the IO-

Link interface and makes diagnostic information available through it.

Parallel to the IO-Link communication, the sensor can output the continuous

switching signal for object detection on OUT2. The IO-Link communication does

not interrupt this signal.

NOTICE

In the

Sensor Studio

configuration software, the following applies with

regard to the designations: Q1 = OUT1, Q2 = OUT2.

The sensors offer no data retention and no ISDU support. The device can only be

identified via VendorID and DeviceID.

IO-Link identification

VendorID dec/hex DeviceID dec/hex Device

338/0x152 2119/0x000847 PRK3CL1.A3/LP

IO-Link process data

Device output data

Data bit Assignment Meaning

0 Switching output Q1

(OUT1)

0 = inactive, 1 = active

1 Warning output autoCon-

trol

0 = no warning, 1 = warning

2 Sensor operation 0 = off, 1 = on

Sensor operation off when detection is

not possible (e.g during the teach event).

3 Not assigned Free

4 Not assigned Free

5 Not assigned Free

6 Not assigned Free

7 Not assigned Free

Device input data

Data bit Assignment Meaning

0 Deactivation 0 = transmitter active, 1 = transmitter in-

active

1 Not assigned Free

2 Not assigned Free

3 Not assigned Free

4 Not assigned Free

5 Not assigned Free

6 Not assigned Free

7 Not assigned Free

Device-specific IODD

At www.leuze.com in the download area for IO-Link sensors you will find the IODD

zip file with all data required for the installation.

IO-Link parameters documentation

The complete description of the IO-Link parameters can be found in the *.html

files. Double-click on a language variant:

– German: *IODD*-de.html

– English: *IODD*-en.html

Functions configurable via IO-Link

PC configuration and visualization is performed comfortably with the USB-IO-Link

Master SET US2-IL1.1 (part no. 50121098) and the

Sensor Studio

configuration

software (in the download area of the sensor at www.leuze.com).

Function block Function Description

Configuration Logical function of

If the function Q2=

switching output

is se-

lected, the switching function corresponds to

the current setting which was selected via

the L/D changeover.

If Q2=

inv. switching output

is selected, the

switching behavior of the output is inverted.

Key Lock

disables the teach button on the sensor.

L/D switching In the factory setting, outputs Q1 and Q2

are antivalent switching outputs:

– Light switching: Q1=light switching,

Q2=dark switching.

– Dark switching: Q1=dark switching,

Q2=light switching.

Switching delay

activates the internal time function.

Function selection

of the switching de-

lay

Activation of a suitable switching delay is

possible. It is not possible to combine

switching delays.

Time base of the

switching delay

Possibility of selecting a time base.

Factor for the time

base of the switch-

ing delay

To adapt the time base, it is multiplied by

the entered factor. Only whole-number fac-

tors from 1to15 are permitted.

Function block Function Description

Commands

The first four

commands

correspond to

the functions

which can be

performed at

the sensor us-

ing the teach

button or the

remote teach

function.

Sensitive teach

for the detection of

a transparent ob-

ject (e.g. empty sin-

gle bottle)

Clear the light path before activation.

Standard teach

for the detection of

a partially transpar-

ent object (e.g. bot-

tle made of colored

glass)

Clear the light path before activation.

Light switching

Dark switching

Switch the process

data display mode

to analog value

Activate to display diagrams on the

Process

tab when using

Sensor Studio

configuration

software.

Laser safety notices - laser class1

WARNING

LASER RADIATION – LASER CLASS 1

The device satisfies the requirements of IEC60825-1:2007

(EN60825-1:2007) safety regulations for a product of laser class1 as

well as the U.S.21CFR1040.10 regulations with deviations corre-

sponding to "Laser Notice No.50" from June 24, 2007.

ÄObserve the applicable statutory and local laser protection regula-

tions.

ÄThe device must not be tampered with and must not be changed

in any way.

There are no user-serviceable parts inside the device.

ÄRepairs must only be performed by Leuze electronic GmbH + Co.

KG.

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