14-16
Status Structure
Questionable Event Register
The used bits of the Questionable Event Register (shown in Figure 14-7) are described as
follows:
•
Bits B0 through B7
—
Not used.
•
Bit B8, Calibration Summary (Cal)
—
Set bit indicates that an invalid calibration con-
stant was detected during the power-up sequence. This error will clear after successful
calibration of the instrument.
•
Bits B9 through B13
—
Not used.
•
Bit B14, Command Warning (Warn)
—
Set bit indicates that a Signal Oriented Mea-
surement Command parameter has been ignored.
•
Bit B15
—
Not used.
Condition registers
As Figure 14-1 shows, each status register set (except the Standard Event Register set) has a
condition register. A condition register is a real-time, read-only register that constantly updates
to re
fl
ect the present operating conditions of the instrument. For example, while the Source-
Meter is in the idle state, bit B10 (Idle) of the Operation Condition Register will be set. When
the instrument is taken out of idle, bit B10 clears.
The commands to read the condition registers are listed in Table 14-5. For details on reading
registers, see
Reading registers
.
Questionable Event
Enable Register
&
&
OR
To QSB of Status
Byte Register
(Figure 15-3)
Warn = Command Warning
Cal = Calibration Summary
& = Logical AND
OR = Logical OR
—
(B7 - B0)
CAL
(B8)
—
(B13 - B9)
—
(B15)
Warn
(B14)
Questionable
Condition Register
Questionable
Event Register
—
(B7 - B0)
CAL
(B8)
—
(B13 - B9)
—
(B15)
Warn
(B14)
—
(B7 - B0)
CAL
(B8)
—
(B13 - B9)
—
(B15)
Warn
(B14)
stat:ques:cond?
stat:ques?
stat:ques:enab <NRf>
stat:ques:enab?
Figure 14-7
Questionable
event status
Содержание 6430
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Страница 78: ...2 14 Connections ...
Страница 98: ...3 20 Basic Source Measure Operation ...
Страница 138: ...5 30 Source Measure Concepts ...
Страница 156: ...6 18 Range Digits Speed and Filters ...
Страница 168: ...7 12 Relative and Math ...
Страница 176: ...8 8 Data Store ...
Страница 202: ...9 26 Sweep Operation ...
Страница 248: ...11 22 Limit Testing ...
Страница 310: ...16 6 SCPI Signal Oriented Measurement Commands ...
Страница 418: ...17 108 SCPI Command Reference ...
Страница 450: ...18 32 Performance Verification ...
Страница 477: ...A Specifications ...
Страница 489: ...B StatusandErrorMessages ...
Страница 498: ...B 10 Status and Error Messages ...
Страница 499: ...C DataFlow ...
Страница 503: ...D IEEE 488BusOverview ...
Страница 518: ...D 16 IEEE 488 Bus Overview ...
Страница 519: ...E IEEE 488andSCPI ConformanceInformation ...
Страница 523: ...F MeasurementConsiderations ...
Страница 539: ...G GPIB488 1Protocol ...
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