IFM OGH3 Series User manual

Operating instructions
Diffuse reflection sensor
with background suppression
OGH3xx
OGH5xx
UK
704073 / 03 11 / 2019

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1 Functions and features
The diffuse reflection sensor detects objects and materials without contact and
indicates their presence by a switching signal.
For the range see the type label (on white paper 200x200 mm, 90 % remission).
2 Installation
►Align the diffuse reflection sensor to the object to be detected.
►Secure the unit to a bracket.
The objects to be detected are to move
transversally to the lens of the sensor.
In case of other directions of movement it
should be tested before whether the swit-
ching function is guaranteed.
3 Electrical connection
►Disconnect power.
►Connect the unit as follows.
Cable Connector Pin connection
L+ BN pin 1
L- BU pin 3
load BK pin 4
load *) WH *) pin 2 *)
Core colours BN = brown, BU = blue, BK = black
*) Seulement pour des appareils avec sortie antivalente.

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4 Operating and display elements
  
1: LED
2: [OUT o󰀨]
3: [OUT on]
4 Settings
4.1 The sensor is to switch when the object is detected
1
►Position the object.
► Press [OUT on] for 2 s.
> The sensitivity is set to the object.
> The LED flashes.
2
►Remove the object.
► Press [OUT off].
> The sensitivity is set without object.
> The LED goes out. The programming is finished.
4.2 The sensor is not to switch when the object is detected
► Position the object (see figure 1) and press [OUT off] for 2 s.
► Remove the object (see figure 2) and press [OUT on].
The settings can also be carried out first without object and then with object.

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4.3 Programming unsuccessful
> LED flashes quickly, 8 Hz.
Possible causes
• Measured value difference too small.
• Max. programming time of 15 min. exceeded.
4.4 Setting of maximum sensitivity
►Align the sensor so that no light is reflected.
The sensor is to switch when the object is detected
► First press [OUT on] and then [OUT off].
The sensor is to switch when the object is not detected
► First press [OUT off], then [OUT on].
4.5 Locking or unlocking the buttons
The unit can be locked electronically to prevent unintentional settings.
► Press [OUT on] and [OUT off] simultaneously for
10 s.
> Acknowledgement is indicated by a change of the
LED status.
5 Operation
►Check whether the unit operates correctly.
> The LED lights when the switching output is switched.
6 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 lens.
Technical data and further information at www.ifm.com

UK
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