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Model 2790 SourceMeter
Questionable event register
The used bits of the Questionable Event Register
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Switch System Reference Manual
Bits B0 through B3 — Not used.
Bit B4, Temperature Summary (Temp) — Temperature summary bit.
Bits B5 through B7 — Not used.
Bit B8, Calibration Summary (Cal) — Set bit indicates that an invalid calibration
constant was detected during the power-up sequence. The instrument will instead
use a default calibration constant. This error will clear after successful calibration
of the instrument.
Bit B9, Slot 1 Interlock Open (Int1)— Set bit indicates that the interlock for the
module
in slot 1 is open.
Bit B10, Slot 2 Interlock Open (Int2)— Set bit indicates that the interlock for the
module in slot 2 is open.
Bits B11 through B13 — Not used.
Bit B14, Command Warning (Warn) — Set bit indicates that a Signal Oriented
Measurement Command parameter has been ignored.
Bit B15 — Not used.
Whenever a questionable event occurs, the ERR annunciator will turn on. The
annunciator will turn off when the questionable event clears.
(Figure
11-7) are described as follows:
11-17
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