IFM O5H5 Series User manual

Operating instructions
Diffuse reflection sensor with
background suppression
O5H5xx
701932 / 02 06 / 2011
UK

2
1 Preliminary note
1.1 Symbols used
►Instruction
> Reaction, result
[…] Designation of pushbuttons, buttons or indications
→Cross-reference
Important note
Non-compliance can result in malfunctions or interference.
2 Functions and features
The diffuse reflection sensor detects objects and materials without contact and
indicates their presence by a switching signal.
Range: → type label.
3 Installation
►Align the diffuse reflection sensor to the object to be detected.
►Secure it to a bracket.
Note:
The objects to be detected are to move transversely to the
lens of the sensor.
►In case of other directions of movement it should be
tested before whether safe switching is guaranteed.

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4 Operating and display elements
1
2
3
1: LED
2: [OUT on] button
3: [OUT o󰀨] button
5 Electrical connection
The unit must be connected by a qualified electrician.
►The national and international regulations for the installation of electrical
equipment must be adhered to.
►Ensure voltage supply to EN 50178.
►Disconnect power.
►Connect the unit as follows:
Connector
p-switching n-switching










Cable
p-switching n-switching





L
BN
BK
BU
L+
Core colours: BN = brown, BU = blue, BK = black

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6 Settings
6.1 Sensitivity setting
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] for 2 s.
> The sensitivity is set to the background.
> The LED goes out. The setting operation is completed.
The sensor is not to switch when the object is detected
►Position the object (see figure 1) and press [OUT off].
►Remove the object (see figure 2) and press [OUT on].
The settings can also be carried out first without object and then with object.
6.2 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], then [OUT off].
The sensor is to switch when the object is not detected
►First press [OUT off], then [OUT on].

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6.3 Setting unsuccessful
> The LED flashes quickly, 8 Hz.
> The sensor returns to the normal operating mode with unchanged values.
Possible causes
• Insufficient difference in measurements
• Max. programming time of 15 min. exceeded
6.4 Electronic lock
The unit can be locked electronically to prevent unauthorised setting. On delivery
the unit is not locked.
►Press [OUT on] and [OUT off] simultaneously for 10 s.
> Acknowledgement is indicated by a change of the LED
status.
►To unlock repeat this step.
7 Operation
►Check whether the unit operates correctly.
> Display by LEDs.
8 Maintenance, repair, disposal
►Keep the lens of the sensor free from soiling.
►For cleaning do not use any solvents or cleaning agents which could damage
the plastic parts.
►After use dispose of the unit in an environmentally friendly way in accordance
with the applicable national regulations.
Faulty sensors must only be repaired by the manufacturer.
Technical data and further information at www.ifm.com