Baumer BA OADR20 - Handbuch (Seite 35)

120717_Manual_OADR20i6xx_DE_EN_V5.DOC 35/40 Baumer
18.07.12 Frauenfeld, Switzerland
5.2 How to reset the factory settings using the external teach input
When using the external teach input the sensor may be taught at any time.
How to restore factory settings:
1. Connect the Teach-in input (WH, Pin 2) to +VS for >15 sec until the red LED is ON without flashing.
2. Release the button. Factory settings have been restored to the sensor.
Timing of the reset procedure:
Time Description of timing functions Value Comment
t1
Minimum button hold time to enter
teach mode
5 s
The external teach input may be used at any
time.
t2
Maximum waiting time after teaching
the first position.
< 20 s
If there is no signal during this interval the
sensor will leave the teach mode without any
changes.
t3
LED on as response for the first
position.
approx 3 s
t4
Maximum waiting time after teaching
the second position.
< 20 s
If there is no signal during this interval the
sensor will leave the teach mode without any
changes.
t6
LED Blinking for “NOT OK response”
after teaching the second position.
approx 5 s
t7
Additional high time fort he external
teach in
0.1 … 1 s
t8
Pulse lengths on external teach input
for first position.
30..2000 ms
t9
Pulse lengths on external teach input
for second position.
30..2000 ms
t12
Minimum blinking time for the reset
to factory settings with button.
10 s
t13
Blinking time after reset to factory
settings
> 0.2 s
As long as the external teach input is high.
t14
Minimum blinking time for the reset
to factory settings with external
teach input.
10 s
t15
Minimum high time of the external
teach input after LED stops blinking
for reset to factory settings
0.2 s
0 V
12-28 V
red LED
Teach-in wire
t1 t14
t15