Troubleshooting - SICK ZTB18 Instrucciones De Operación

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Troubleshooting

8021944 | SICK
Subject to change without notice
Figure 3: Alignment
2 Sensing range
Check the application conditions: The ZTB18 is available in two fixed sensing range (on
white, 90%) versions:
• 50mm (ZTB18-xxxxxxD02)
•
100mm (ZTB18-xxxxxxD04)
Adjust the mounting position so that the sensing range and background are within specifi‐
cation. Refer to see figure 4, page
NOTE
Please note the minimum range of 5 mm.
Figure 4: Sensing range on black
Sensing range on black, 6%:
• ZTB18-xxxxxxD02: x = 47 mm, y = 4 mm
• ZTB18-xxxxxxD04: x = 93 mm, y = 8 mm
Use see table 1, page 7
accordance with see table 1, page
3 Sensing range setting
Sensor not able to be set: The sensor has been adjusted to maximum sensing range by the
factory and is ready for operation.
4 Operation with marginal light reception
The sensor will provide a pre-failure notification by flashing the orange LED indicator when
operating with marginal light reception. This may be the result of incorrect alignment, cont‐
aminated optical surface(s), and/or insufficient light remission from the target. The sensor
may be equipped with a Health or Alarm output, which provide a discrete signal when the
sensor is operating in the marginal condition. Refer to
Health/Alarm output operation.
The Troubleshooting table indicates measures to be taken if the sensor stops working.
11.
White back-
ground (90%)
x y
to check the function. If the switching output fails to behave in
7, check the application conditions.
TROUBLESHOOTING
table 2 for additional detail on
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