IFM Electronic efector200 OPU2 Series User manual

Operating instructions
optical fork sensor
OPU2xx
OPU201 / 00 02 / 2009
UK
UK

2
Contents
1 Preliminary note....................................................................................................3
1.1 Symbols used.................................................................................................3
2 Functions and features.........................................................................................3
3 Installation ............................................................................................................3
4 Operating and display elements...........................................................................3
5 Electrical connection.............................................................................................4
6 Setting..................................................................................................................5
6.1 Setting of the output function.........................................................................5
6.2 Sensitivity setting...........................................................................................5
7 Operation..............................................................................................................6
8 Maintenance, repair and disposal ........................................................................7

3
UK
Preliminary note1
Symbols used1.1
►Instruction
> Reaction, result
→Cross-reference
Important note
Non-compliance can result in malfunctions or interference.
Functions and features2
The optical fork sensor detects objects and materials without contact and indicates
their presence by a switching signal.
Installation3
T
R
T: transmitter; R: receiver
Secure the optical fork sensor (OPU...) to a bracket.►
Operating and display elements4
LED yellow1:
output function switch2:
sensitivity potentiometer3:

4
Electrical connection5
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.►
The following indications apply if there is a UL listing mark on the product:
For use in NFPA 79 applications only. Adapters providing field wiring►
means are available from the manufacturer. Refer to manufacturers
information.
The device shall be supplied from an isolating transformer having a►
secondary Listed fuse rated
a) max 5 amps for voltages 0...20 Vrms (0...28.3 Vp) or
b) 100/Vp for voltages of 20...30 Vrms (28.3...42.4 Vp).
Disconnect power.►
Connect the unit as follows:►
DC PNP
L+
L
1
4
3
pin 1 = L+
pin 3 = L-
pin 4 = load
DC NPN
1
4
3
pin 1 = L+
pin 3 = L-
pin 4 = load

5
UK
Setting6
Setting of the output function6.1
1
A
2B
A
NO NC
A: cover; B: output function switch
Remove the cover (A).1.
Set the output function (NO/NC) via the switch (B) using a screwdriver.2.
Refit the cover (A).3.
Sensitivity setting6.2
The sensor is to switch when the object is detected
1
Set the setting potentiometer to the lowest►
sensitivity.
Position the object to be detected in the►
detection zone.
2
Increase the sensitivity until the yellow LED►
lights.

6
3
Remove the object from the detection zone.►
The yellow LED goes out. The setting operati->
on is completed.
The sensor is not to switch when the object is detected
1
Set the setting potentiometer to the highest►
sensitivity. The yellow LED is lit.
Position the object to be detected in the►
detection zone.
2
Reduce the sensitivity until the yellow LED►
goes out.
3
Remove the object from the detection zone.►
The yellow LED is lit again. The setting ope->
ration is completed.
Operation7
Check whether the unit operates correctly.►
The yellow LED is lit when the output is switched.>

7
UK
Maintenance, repair, disposal8
Keep the lens of the sensor free from soiling.►
For cleaning do not use any solvents or cleaning agents which could damage►
the lens.
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 →Select your country →Data sheet direct: