User manual
5-54 SCPI Command Reference
Questionable Event Register:
Bits B0 through B3 — Not used.
Bit B4, Temperature Summary (Temp) — Set bit indicates that an invalid
reference junction measurement has occurred for thermocouple temper
-
ature measurements.
Bits B5, B6 and B7 — Not used.
Bit B8, Calibration Summary (Cal) — Set bit indicates that an invalid cal-
ibration constant was detected during the power-up sequence. The in-
strument will instead use a default calibration constant. 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 Ori-
ented Measurement Command parameter has been ignored.
NOTE Whenever a questionable event occurs, the ERR annunciator
will turn on. The annunciator will turn off when the questionable
event clears.
Cal
B13 - B9 B8B15 B14
(2 )
8
256
(2 )
14
16384
0/10/1
Warn
B7 - B5
0
Temp
B4
(2 )
4
16
0/1
B3 - B0
Bit Position
Event
Decimal Weighting
Value
Events : Warn = Command Warning
Cal = Calibration Summary
Temp = Temperature Summary
Value : 1 = Questionable Event Bit Set
0 = Questionable Event Bit Cleared
Figure 5-5
Questionable
event register
2000-900 (J - Aug 2010) BOOK.fm Page 54 Wednesday, October 12, 2011 12:29 PM