3 Remote Interface Reference
132 E364xA User’s and Service Guide
What is a multiple logical output?
The two-logical outputs of the power supply include an INSTrument summary
status register and an individual instrument ISUMmary register for each logical
output. The ISUMmary registers report to the INSTrument register, which in turn
reports to bit 13 of the Questionable Status register. This is shown pictorially on
Figure 3-1.
Using such a status register configuration allows a status event to be
cross-referenced by output and type of event. The INSTrument register indicates
which output(s) have generated an event. The ISUMmary register is a
pseudo-Questionable Status register for a particular logical output.
Figure 3-1 Multiple logical output
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