Baumer BA OADM20x24 - Handbuch (Seite 34)

BA_OADM20x24.doc 34/39 Baumer
05.12.12 Frauenfeld, Switzerland
5.2 How to reset the factory settings using the teach button
Within 5 minutes after power up, the button may be used to reset the sensor back to the factory settings.
After finishing a teach procedure
, the 5 minutes starts again. After the 5 minutes, the sensor does not
respond to the button.
1. Push the button. The red LED will turn on, if the sensor can be taught.
2. Hold down the button further 5 sec. The LED will start to blink. DO NOT RELEASE the button now. Wait
another 10 sec until the LED is ON without blinking. Factory settings have been restored to the sensor.
3. Release the button.
5.3 How to teach a new range using the external teach input
Teaching the sensor via the external teach input is equivalent to the teaching procedure via the button. There
is no 5 min. time limit. The sensor may be taught at any time.
Input circuit:
t1
Red LED
t12
Until button has been
released (t13)
27k Ω
10k
Ω
teach-in
low: 0 .. 2V
high: 12 .. 28V
3V3
t
Red LED
t1 t2 t3 t4
☺
0 V
12-28 V
Teach wire t7 t8 t9
t6