Baumer
Diagnostic data
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9
V2 | OM20/OM30 IO-Link
Operating Manual
39
9
Diagnostic data
The diagnostic data is used for monitoring the status of the device. You can monitor both the
momentary status (via parameters) as well as the development over time (via a histogram func-
tion). You have the option of resetting diagnostic data.
9.1
Measurement rate
The measurement rate is equivalent to the number of measurements per second. Example:
With a measurement rate of 500 Hz, a measurement takes place every 0.002 s (1/
500 Hz = 0.002 s). The measurement rate is useful for the following questions, among others:
n
How quickly can a change in distance be detected?
n
How many measurements can be performed on a static object?
INFO
The max. speed in dynamic applications is limited by the measurement rate, and the distance
change at the output is influenced by the selected filter value settings. Therefore, consider the
measurement rate in connection with the settings of the filter.
The measuring frequency value depends on the exposure time. The sensor automatically ad-
justs its exposure time to the object to be measured in order to always receive an optimum light
quantity and thus achieve a sufficient exposure reserve. The exposure time depends on the
properties of the measured surface (color/structure, etc.) and the alignment of the sensor to the
object to be measured. Dark objects to be measured reflect less light and thus need longer ex-
posure times than light-colored objects, decreasing the measuring frequency. The measure-
ment and change of the output always take place with the same frequency.
IO-Link diagnostic data: Measurement rate
Name
Description
Measurement Values. PV1 Rate
Output of the measuring rate.