18-32 Logic I/O Model 831 Manual
Logic Out
The Logic Out line transmits a signal to an external device
such as the 831-INT, defining one of the states listed in
FIGURE 18-52.
FIGURE 18-52 Logic Out Menu
Run State
When the Logic Out is set to Run State, then the output will
be driven high when the Model 831 is running and will be
driven low when the Model 831 is stopped.
Event
When the Logic Out is set to Event, then the output is
dependent upon the event trigger settings as follows:
Level Triggering
If the event mode is set to Level Triggering, then this output
will be driven high whenever the current RMS level exceeds
the SPL1 trigger level or the current Peak level exceeds the
Peak1 trigger level. If the current RMS level is below SPL1
and the current peak level is below Peak1, then the output
will be driven low.
Dynamic
If the event trigger is set to Dynamic, then the output will be
driven high when the current SPL level exceeds the dynamic
trigger level plus the dynamic trigger offset and will be
driven low when the current SPL level is below the dynamic
trigger level plus the dynamic trigger offset.
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