Keithley 6220

11-16 Status Structure Model 6220/6221 Reference Manual
Return to Section 11 topics
Figure 11-6
Measurement event status
Questionable event status
The used bits of the questionable event register (Figure 11-7) are described as
follows:
• Bit B4, Questionable Power — Set bit indicates that a questionable power
reading was calculated for Pulse Delta. See “Pulse Delta power calculation
restriction,” on page 5-35.
Error/status code: +611
• Bit B8, Questionable Calibration (Cal) — Set bit indicates that a ques-
tionable calibration constant was detected during the power-up sequence.
This error will clear after successful calibration of the Model 622x.
Error/status code: +610

(B15)
(B14)
B3QF
(B13)
BQF
(B12)
(B11)
(B10)
BFL
(B9)
BHF
(B8)
BAV
(B7)
TN
(B6)
RAV
(B5) (B4)
Comp
(B3)
Temp
(B2)
Int
(B1)
ROF
(B0)
&
&
&
&
&
&
&
&
&
&
OR
To
Measurement
Summary Bit
(MSB) of Status
Byte Register.
& = Logical AND
OR = Logical OR
&
Measurement
Condition
Register




(B15)
(B14)
B3QF
(B13)
BQF
(B12)
(B11)
(B10)
BFL
(B9)
BHF
(B8)
BAV
(B7)
TN
(B6)
RAV
(B5) (B4)
Comp
(B3)
Temp
(B2)
Int
(B1)
ROF
(B0)
Measurement
Event Register




(B15)
(B14)
B3QF
(B13)
BQF
(B12)
(B11)
(B10)
BFL
(B9)
BHF
(B8)
BAV
(B7)
TN
(B6)
RAV
(B5) (B4)
Comp
(B3)
Temp
(B2)
Int
(B1)
ROF
(B0)
Measurement
Event Enable
Register



B3QF = Buffer 3/4 Full
BQF = Buffer Quarter Full
BFL = Buffer Full
BHF = Buffer Half Full
BAV = Buffer Available
TN = Trace Notify
RAV = Reading Available
Comp = Compliance
Temp = Over Temperature
Int = Interlock asserted
ROF = Reading Overflow
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