PSU Series User Manual
28
AC Fail. This alarm function is activated when
a low AC input is detected.
Fan failure. This alarm function is activated
when the fan RPMs drop to an abnormally low
level.
Force Shutdown is not activated as a result of
the PSU series detecting an error. It is a
function that is used to turn the output off
through the application of a signal from the
rear-panel analog control connector when an
abnormal condition occurs.
Alarms are output via the analog control
connector. The alarm output is an isolated
open-collector photo coupler output.
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