IFM Electronic Efector 200 OJ51 Series Operating Instructions Manual page 6

7 Settings
7.1 Setting of the sensitivity with stationary objects*
Go into the programming mode of the unit
until the red LED flashes
1
> The red LED goes out; the yellow and green LEDs flash alternately
> The unit is in the programming mode
Set the sensitivity with object
2
> The yellow and green LEDs go out for approx 1 s, then flash again alternately
Set the sensitivity without object
3
> The yellow and green LEDs go out for approx 1 s
> After approx 3 s the green LED is on
> The unit is in the operating mode
Setting steps 2 and 3 can also be carried out in reverse order
* The sensitivity can also be set in exactly the same way using the programming wire (pin 2 /
WH) To activate the functions the programming wire is connected to L+ (pin 1 / BN) for PNP
units or to L- (pin 3 / BU) for NPN units for the appropriate time Feedback: If setting was not
successful via the programming wire, the output will switch for 2 s The unit then passes into
the operating mode with the sensitivity being unchanged
6
► Press for about 2 s
► Press once
► Press once