OG5068 - Photoelectric sensor IFM - Free user manual and instructions

Product type	Photoelectric sensor (laser beam)
Brand	IFM
Model	OG5068
Series	efector200
Category	Photoelectric sensor
Detection technology	Laser beam, laser class 2
Main functions	Non-contact object detection, switching output, diagnostic output
Range	See label on device
Power supply	DC, galvanically isolated power supply with overload protection
Output type	PNP or NPN depending on connection
Max output current (diagnostic)	10 mA
Electrical connection	Wires: BN (brown) = +, BU (blue) = -, BK (black) = output
LED indicators	Green (operational), Yellow (output switched), Red (error/misalignment)
Adjustment aid	Button on emitter temporarily increasing light intensity
Programming	Sensitivity adjustment with object and without object (static or dynamic)
Laser safety	Do not look into the axis of the light source
Laser class	Class 2
Mounting	On mounting bracket, avoid vibrations
Maintenance	Clean the lenses regularly
Lens cleaning	Soft cloth, without solvents or abrasive products
Provided labels	Laser warning label to be affixed near the sensor
Standard	UL 508 (limited voltage)

Frequently Asked Questions - OG5068 IFM

How to set the sensitivity of the OG5068 sensor?

For static adjustment, activate programming mode by pressing the receiver button for 2 seconds until the red LED flashes. The yellow and green LEDs flash alternately. Then place the object and press once, then remove the object and press once. The sensor returns to operating mode with the green LED on.

How to correctly align the emitter and receiver?

Mount the receiver with the mounting bracket. Orient the emitter so that the light spot hits the receiver lens. Use the emitter adjustment aid (button) to temporarily increase intensity and facilitate alignment. The control LED validates the alignment.

What do the different LEDs on the sensor mean?

Green LED on: device operational. Yellow LED on: output is switched. Red LED on: detection error (misalignment, dirty lenses). Yellow+red flashing at 2 Hz: output short circuit; at 1 Hz: internal error.

How to electrically connect the OG5068 sensor?

Disconnect the installation before connection. Use a galvanically isolated power supply with overload protection. Connection: brown wire (+), blue wire (-), black wire (output). The output function (PNP/NPN) is set by wiring.

What to do if the red LED stays on?

The red LED indicates a detection error. Check the alignment of the emitter and receiver, clean the lenses with a soft cloth. The diagnostic output resets 4 seconds after correct object detection.

How to clean the sensor lenses?

Use a soft, dry cloth. Do not use solvents or abrasive products that could damage the plastic lenses.

What laser safety precautions should I take?

Never look directly into the axis of the laser beam. Affix the provided warning labels near the sensor. The laser is class 2, but avoid any eye exposure.

How to lock and unlock the sensor?

To lock, press the receiver button for 10 seconds. The LEDs flash alternately then turn off: the sensor is locked. To unlock, perform the same operation; after 10 seconds, the LEDs turn off and the lock is canceled.

What is the function of the diagnostic output?

The diagnostic output (fc output, max 10 mA) switches in case of a detection error (misalignment, dirty lenses) after about 4 seconds, and resets 4 seconds after correct detection resumes. In case of a short circuit, it switches immediately and resets after 2 seconds.

Can I use this sensor to detect transparent objects?

Yes, but a sensitivity adjustment is necessary. Use the programming mode described in the manual to adjust the sensitivity with the transparent object and without object. If the adjustment fails (red LED flashes), the sensor retains the previous settings.

USER MANUAL OG5068 IFM

Through-beam sensor OG 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

The device shall be supplied from an isolating source and protected by an overcurrent device such that the limited voltage circuit requirements in accordance with UL 508 are met.

Isolate power, then connect the unit (see page 17 or type label). Core colours: BN = brown, BU = blue, BK = black.

Programming of the output function by wiring (see page 17 or type label).

Load of the function check output (fc output): max. 10mA.

Installation and alignment

Fix the receiver (type OGEL...) in position.

Align the transmitter (type OGES...) towards the receiver; the light spot must hit the receiver lens (confirmation by LED).

Adjustment aid

For the alignment the transmitter incorporates an adjustment aid.

After pressing the setting button on the transmitter the red LED flashes, then the green LED and the yellow LED flash alternately. The intensity of the transmitted light is increased and the light spot is clearly visible. After pressing the button again the green LED is on again and 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

1	Activate the programming mode of the unit. 接收er 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	Set the sensitivity with object. receiver 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, then 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.

Setting of the sensitivity with moving objects

1	Activate the programming mode of the unit. 接收er 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 (approx. 1s) allow at least two objects to move through the sensing area of the lens. Press once.
	The yellow and green LEDs go out for approx. 1s, then flash again alternately.

3	During the measurement (approx. 1s) allow at least two objects to move through the sensing area of the lens. Press once.
	The yellow and green LEDs go out for approx. 1s, then 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.

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).

Locking

receiver Press for 10s.

The red LED flashes for a short time, then the yellow and green LEDs flash alternately; after 10s the LEDs go out, the unit is locked.

Unlocking

receiver Press for 10s.

→

After 10s the LEDs go out, locking is cancelled.

Operation

Check the safe functioning of the diffuse reflection sensor. 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

(not for sensors with cable connection)

• 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 lens of the sensor free from soiling. For cleaning do not use any solvents or cleaning agents which could damage the plastic lenses.

Appuyer pendant 10s.