Baumer BA OADR20 - Handbuch (Seite 39)

120717_Manual_OADR20i6xx_DE_EN_V5.DOC 39/40 Baumer
18.07.12 Frauenfeld, Switzerland
The OADR requires no maintenance apart from keeping the front windows clean. Dust or fingerprints can
impair the sensor function. It is normally sufficient to wipe the windows dry with a clean (!), soft cloth.
Alcohol or soapy water may be used for heavy soiling.
9 Accessories
Connecting cable, straight
ESG 34FF0500G, 8 pins, length 5 m, IP 69K, shielded
10 Troubleshooting
Error Possible reason Correction
The sensor does not
measure The teach-in wire is connected to
+Vs Connect the teach-in wire to 0 V
The receiving beam is covered by
an object / edge / step Make sure that no object is in the receiving
field
No receiving signal (transparent or
highly reflective object) Make sure that the laser spot falls on a diffuse
reflecting surface
The sensor has
incorrect measuring
values Mutual optical interferences
between two or more sensors Make sure that no other light spot is within the
receiving field of the sensor
Strong ambient light. Prevent ambient light with a shield
Semi transparent, transparent or
highly reflective objects Make sure that the laser spot falls on a
diffusely reflecting surface
The sensor does not
reach the accuracy Rough surface Use a sensor with laser line if possible
Color edges Mount the sensor the correct way
Resolution of the A/D converter in
the control unit Read the manual of the control unit