Chapter 4 - Display and control in stand-alone mode
Copyright 2016 Softing Industrial Automation GmbH
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Submenu(s)
(> Submenu function)
Bus Status function (Overview) assesses bus physics and
bus communication and displays the test result in a
simplified view.
Bus Status function (Overview) assesses bus physics and
bus communication and displays the test result in a
simplified view.
Signal quality
[PA: Signal Level]
The signal quality [PA: signal level] test determines the
signal quality index [PA: signal level] for each bus
station and displays the test result in a bar diagram. The
test location is particularly important when you are
testing the signal quality [PA: signal level].
Additional information is available such as
PROFIBUS DP: Signal/ Noise ratio, rise time and
numerical values with respect to signal quality testing.
PROFIBUS PA: Deviation of bitrate, signal polarity and
numerical values with respect to signal level testing.
Signal quality
[PA: Signal Level]
> Select test location
The test location is particularly important when you are
testing the signal quality [PA: signal level]. We
recommend performing at least two signal quality [PA:
signal level] tests per physical segment (at both ends of
the corresponding segment).
Signal quality
[PA: Signal Level]
> Settings evaluation
The signal quality evaluation settings contain limit
values for
PROFIBUS DP: quality index, signal-to-noise ratio, rise
time and timeout.
PROFIBUS PA: DC voltage level and AC signal level
Locate Stations
> Select test location
Detects the topological order of the stations on the bus
line by measuring the distances between masters and
their related slaves. The measurement is purely passive
and does not disturb a running system.
Locate Stations
> Delete location data
Allows to delete data from test locations.
Using the Oscilloscope dialog you can analyze the
waveform on the PROFIBUS cable.
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