20 Advanced functions
20.2 Calculation channels PIOX S72*
2022-05-15, UMPIOX_S72xV1-9EN
178
The list item Valid channels will not be displayed if a binary output was selected as output.
The status of a standard deviation is OK if a measured value for calculation is available on at least 2 measuring channels.
Definition of an event trigger
• Select a calculation channel in the program branch Options, for which an event trigger is to be enabled (here: Channel
Y).
• Press ENTER.
• Select the menu item Event trigger.
• Press ENTER.
• Select the
event trigger
.
If the event trigger has already been enabled, it is displayed as follows: R1(+)
•Select Yes to change the settings for an already assigned event trigger or to assign a new one.
•Select No to cancel the assignment and to return to the previous menu item.
• Press ENTER.
• Select the source item Extended diagnostics.
• Press ENTER.
• Select the list item for which a condition is to be defined.
• Press ENTER.
Tab. 20.3: Source item Extended diagnostics
source item list item output
Extended diagnostics Valid channels percentage of physical channels, with valid measuring state
σ(Sound speed) standard deviation of the sound speed
σ(Flow velocity) standard deviation of the flow velocity
σ(Amplification) standard deviation of the signal amplification
σ(Amplitude) standard deviation of the signal amplitude
σ(Quality) standard deviation of the signal quality
σ(SNR) standard deviation SNR
σ(SCNR) standard deviation SCNR
σ(VariAmp) standard deviation of the amplitude fluctuation
σ(VariTime) standard deviation of transit time fluctuation
Options\Channel Y
Options\Channel Y\Event trigger\Rx(-)
Options\Channel Y\Event trigger\Rx Enable
Options\Channel Y\Event trigger\Rx Enable\Source item
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