Quality Values; Standard Measurement - Profibus PB-Q ONE User Manual

Perform and document measurement

4.3 Quality values

4.3.1 Standard measurement

The quality values represent the main criterion for evaluating the physical communication conditions. For a
complete system analysis, measurements need to be performed in all segments on both ends. The device
addresses determined by the
Select the measuring point before starting the measurement. Finally, press the relevant start button to
decide whether to perform a single or a continuous measurement. Clicking on the stop button terminates
these functions and displays the results of the quality values for the overall system. The icons used have
the following meaning:
Start new single measurement
Start new continuous measurement
Stop measurement
After completing the measurement, the system automatically outputs a file name suggestion with a time
stamp. You may change the name or store the data under the default name (Figure 15). This makes it
possible to recall all measurements for the relevant measuring points later.
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PB-Q - User Manual
"Scan devices" function serve as a reference.
Selection
Selection
Measuring Measurement
point
Figure 14: Quality values
(single cycle with all device addresses)
(continuous measurement of all devices)
(stops the current measurement)
Figure 15: Info measurement finished
Start/ Setting
Stop Threshold
value
20