OL5019 - Photoelectric sensor IFM - Free user manual and instructions

Product type	Photoelectric sensor (through-beam)
Brand	IFM
Model	OL5019
Category	Photoelectric sensor
Operating principle	Contactless detection of objects and materials, emission of a switching signal
Range	Indicated on the product label
Electrical connection	Disconnect power before connection; refer to the diagram on page 20 or the label
Diagnostic output	Max load 10 mA; switches in case of detection error, short circuit, or internal error
Mounting	Using a mounting bracket; precisely align the emitter towards the receiver
Adjustment aid	Button on the emitter to temporarily increase light intensity for alignment
Sensitivity adjustment	Programmable for static or moving objects; adjustment using push button on the receiver
LED indications	Green: device operational; Yellow: output switched; Red: detection error; Yellow+Red flashing: short circuit or internal error
Output function	Normally closed (NC) or normally open (NO) programmable
Maintenance and cleaning	Clean the lenses with a non-aggressive product; do not use solvents
Safety	Do not look into the axis of the light source; apply laser warning labels near the sensor
Mounting conditions	Avoid vibrations; sensors with small spot diameter require very precise alignment
Commissioning	Plug and play, set to maximum range; additional adjustments for partially transparent objects

Frequently Asked Questions - OL5019 IFM

How to adjust the sensor sensitivity for static objects?

Press the receiver adjustment button once with the object in the detection zone, then once without object. The yellow and green LEDs flash alternately during programming. The green LED lights up to confirm the adjustment.

How to adjust the sensitivity for moving objects?

Press and hold the receiver button for about 2 seconds until the red LED flashes, then release. Let at least two objects pass through the detection zone and press once. Repeat without object. The green LED lights up after 3 seconds to confirm.

What do the different LEDs on the sensor mean?

Green LED on: device is operational. Yellow LED on: output is switched. Red LED on: detection error (incorrect adjustment, dirty lenses). Yellow and red LEDs flashing alternately at 2 Hz: output short circuit. Flashing at 1 Hz: internal error (output not switched).

How to clean the sensor lenses?

Use a non-aggressive cleaning product that does not damage the plastic lenses. Avoid solvents and harsh chemicals.

How to change the output function (NC/NO)?

Press and hold the receiver adjustment button for about 10 seconds until all LEDs turn off. The output then changes from normally closed (NC) to normally open (NO) or vice versa.

What to do if the red LED flashes after a sensitivity adjustment?

This means that the adjustment was not possible, for example because the object and background signals are too similar. The sensor returns to operating mode without changing the sensitivity. Check the alignment and cleanliness of the lenses.

What is the function of the diagnostic output?

The diagnostic output (fc-output) switches in case of detection error (poor detection, misalignment, soiling) after about 4 seconds. It resets 4 seconds after a correct detection. In case of a short circuit, it switches immediately.

How to correctly install the sensor?

Mount the receiver and emitter using the mounting brackets. Align the emitter precisely towards the receiver so that the light spot hits the receiver lens. Avoid vibrations and ensure that the mounting position cannot change.

Is the sensor ready to use without adjustment?

Yes, the through-beam sensor is factory set for maximum range and operates in 'plug and play' mode. Additional adjustments are only necessary for partially transparent objects or special conditions.

What to do in case of a short circuit of the output?

The yellow and red LEDs flash alternately at 2 Hz. The diagnostic output switches immediately. Eliminate the short circuit. After resolution, the output automatically resets after about 2 seconds.

USER MANUAL OL5019 IFM

Through-beam sensor OL laser

Function and features

The through-beam sensor detects objects and materials without contact and indicates their presence by a switched signal.

Range (r): see type label.

Laser radiation; laser protection class 2.

Do not look directly into the beam!

The enclosed labels (warning laser) must be applied in close proximity to the unit.

Electrical connection

Isolate power, then connect unit (see page 20 or type label). Load of the function check output (fc output): max. 10mA

Installation

Fix the receiver (type OLE-...) in position. Align the transmitter (type OLS-...) towards the receiver and tighten in the same way. The light spot must hit the receiver lens.

Maximum range is only possible with precise alignment.

Adjustment aid:

For the alignment the transmitter incorporates an adjustment aid. By pressing the setting button on the transmitter the intensity of the transmitted light is increased so that the light spot is clearly visible. After pressing the button again the transmitted light is set again to normal intensity. If the button is not pressed again, the transmitted light is set to normal intensity after about 15 min.

NB: Commissioning

The through-beam sensor is supplied ready to operate (plug and play) set at the max. sensing range. This is sufficient if the through-beam sensor can operate with maximum excess gain (highest contrast). The following setting procedures should only be necessary in less straightforward applications, for example if partly transparent objects must be detected.

Setting of the sensitivity with stationary objects

2	Set the sensitivity with object. receiver transmitter Press once.
	The yellow and green LEDs go out for approx. 1s, then flash again alternately.

3	Set the sensitivity without object. receiver transmitter Press once.
	The yellow and green LEDs go out for approx. 1s, after approx 3s the green LED is on. The unit is in the operating mode.

You can also proceed in reverse order: first setting without the object, then with the object.

If the setting of the sensitivity is not possible (e.g. object signal and background signal are about the same), the red LED flashes after step 3 for approx. 2s. The unit then passes into the operating mode with the sensitivity being unchanged.

If the setting button is not activated for 15 minutes during the programming process, the unit passes automatically into the operating mode with the sensitivity being unchanged.

Setting of the sensitivity with moving objects

1	Activate the programming mode of the unit. receiver transmitter Press for about 2s until the red LED flashes.
	The red LED goes out; the yellow and green LEDs flash alternately. The unit is in the programming mode.

2	During the measurement (about 1s) allow at least two objects to move through the detection area. 接收 transmitter Press once. The yellow and green LEDs go out for approx. 1s, then flash again alternately.

3	During the measurement (about 1s) allow at least two objects to move through the detection area. 接收 Press once. ←−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−
	The yellow and green LEDs go out for approx. 1s, after approx. 3s the green LED is on. The unit is in the operating mode.

If the setting of the sensitivity is not possible (e.g. object signal and background signal are about the same), the red LED flashes after step 3 for approx. 2s. The unit then passes into the operating mode with the sensitivity being unchanged.

If the setting button is not activated for 15 minutes during the programming process, the unit passes automatically into the operating mode with the sensitivity being unchanged.

Setting of the maximum sensitivity

• Go into the programming mode (step 1).
• Interrupt the light beam.
• Press the setting button twice (see steps 2 and 3).

Programming the output function

Press for 10s.

The red LED starts to flash fast after 2s. Then the yellow and green LEDs flash alternately. After 8s all LEDs go off, the output function has changed from light-on mode to dark-on mode (or vice versa).

Operation

Check the safe functioning of the unit. Display by LEDs and by the function check output.

LED green is lit Unit is ready for operation.
LED yellow is lit Output is switched.
LED red is lit	Error in object detection, e.g. maladjustment, soiling of the lenses.
LEDs yellow + red	Flash alternately, 2 Hz: output short-circuited. Flash alternately, 1 Hz: internal malfunction (output is not switched).

Function check output

• Switches in the case of incorrect object detection (error in object detection, maladjustment, soiling of the lenses) after approx. 4 s, it switches back approx. 4 s after the object is again correctly detected.
• Immediately switches in the case of a short circuit of the switching output, it switches back approx. 2 s after the fault has been rectified.
• Immediately switches in the case of an internal fault, it is only switched back by turning off the operating voltage and then on again.

Maintenance

Keep the plastic lenses of the sensor free from soiling.

For cleaning do not use any solvents or cleaning agents which could damage the plastic lenses.