Baumer OM20 Manual de instruções - Página 39

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9.3

Exposure reserve

The exposure reserve indicates the light quantity reflected by the measurement object (as a rel-

ative factor without unit). The exposure reserve helps you with the following problems, among

others:

Check whether a valid measurement result is present (signal quality). The signal quality is

weak

▪ when the sensor is not optimally aligned, and

▪ when the distance between the sensor and measurement object is too large.

During ongoing operation: Check the front panel of the sensor for soiling – if the exposure

reserve decreases over time, it may be an indication of increased soiling of the front panel.

Use the histogram function for this purpose

IO-Link diagnostic data: Exposure reserve

Name

Exposure Reserve. Exposure Reserve

9.4

The signal quality serves as an indication of the reliability of the measurement.

IO-Link diagnostic data: Signal quality

Name

Exposure Reserve.Quality

Level

OM20/OM30 | V1

(Histogram function

Description

Output of the exposure reserve.

Description

Output of the signal quality.

▪ 0 = Valid signal

▪ 1 = Weak signal

Low signal quality can result in greater measured value er-

rors. Decrease the distance to the measurement object or

optimize the alignment of the sensor.

▪ 2 = Critical signal

Valid measured value acquisition is no longer guaranteed.

Decrease the distance to the measurement object or opti-

mize the alignment of the sensor.

LEDs blink if a critical signal is reached.

The alarm output is activated when no measured value can

be recorded anymore.

Operating Manual

Diagnostic data

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