Keithley 2280 Series - Page 448

Series 2280 Precision DC Power Supply Reference Manual Appendix D: Status model
077085503 / March 2019 D-15
Questionable Instrument Event Register
Questionable Instrument Event Register summarizes the Questionable Instrument Summary Event
Register. If bit 1 of the Questionable Instrument Event Register is set and bit 1 of Questionable
Instrument Event Enable Register is enabled, bit 13 (ISUM) of the Questionable Event Register is set.
See the following figure and table below it for details.
Figure 129: Series 2280 Questionable Instrument Event Register
Bit
Decimal
value
Bit name
When set, indicates the following
has occurred:
0
Not used
Not used
NA
1
2
SUM1
Summary of Questionable Instrument
Summary Event Register.
2 through 15
Not used
Not used
NA