Keithley 2302 - Questionable Event Status

8-16 Status Structure
Questionable event status
The used bit of the questionable event register (shown in Figure 8-7) is described as follows:
• Bit
B8, calibration summary (Cal) — Set bit indicates that an invalid calibration
constant was detected during the power-up sequence. This error will clear after
successful calibration of the power supply.
OR
Qusetionable Event
Enable Register
Cal = Calibration Summary & = Logical AND
OR = Logical OR
&
Decimal
Weights
[:EVENt]?
256
(2
8
)
:CONDition?
Cal
(B8)
(B7-B0)
(B15-B9)
Questionable Condition
Register
Questionable Event
Register
:ENABLe <NRf>
:ENABLe?
To QSB Bit
of Status Byte
Register
Cal
(B8) (B7-B0)
(B15-B9)
Cal
(B8) (B7-B0)
(B15-B9)
Figure 8-7
Questionable event status
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