IFM Electronic efector200 O7H2 Series User manual

Operating instructions
Diffuse reflection sensor with
background suppression
O7H2xx
UK
O7H200 / 01 11 / 2010

2
1 Preliminary note
1.1 Symbols used
► Instruction
> Reaction, result
→ 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: → packaging or data sheet.
3 Installation
1: LED
► Align the diffuse reflection sensor to the object to be detected.
► Secure it to a bracket.
Maximum range only with accurate alignment.
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.

3
UK
4 Electrical connection
The unit must be connected by a qualified electrician.
► The national and international regulations for the installation of electri-
cal equipment must be adhered to.
► Ensure voltage supply to EN 50178, SELV, PELV.
► Disconnect power.
► Connect the unit as follows:
DC PNP DC NPN





L+
L
1
4
3
Cable
BN
BK
BU
L+
L
Core colours:
BN (brown), BU (blue), BK (black).
5 Operation
► Check whether the unit operates correctly.
• Light-on switching units (O7H-HPKG): The output is switched / the yellow LED
is lit when an object is detected.
• Dark-on switching units (O7H-DPKG): the output is switched / the yellow LED
is lit when no object is detected.
6 Maintenance, repair and disposal
► Keep the front pane of the sensor free from soiling.
► For cleaning do not use any solvents or cleaning agents which could damage
the plastic material.
Technical data and further information at www.ifm.com