Integrated Standby Instruments System (ISIS) power source?
Join Date: Mar 2009
Location: Middle East
Age: 52
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ISIS is supplied with 28 VDC from the ESS BUS bar.
In case of loss of this bus bar, the HOT BUS bar automatically takes
over provided the CAS is greater than 50 kt (flight condition).
In case of a power supply cut off less than 50 ms, there is no effect on
the display.
Hope this helps.
rgds
ISIS is supplied with 28 VDC from the ESS BUS bar.
In case of loss of this bus bar, the HOT BUS bar automatically takes
over provided the CAS is greater than 50 kt (flight condition).
In case of a power supply cut off less than 50 ms, there is no effect on
the display.
Hope this helps.
rgds
