SCPI Command Reference 5-55
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 temperature
measurements.
Bits B5, B6 and 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.
Bits B9 through B13 — Not used.
Bit B14, Command Warning (Warn) — Set bit indicates that a Signal
Oriented 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.
RAV
B15
B14
B10
B9 B8
B7 B6 B5 B4 B3
B2 B1 B0
(2 )
9
(2 )
8
(2 )
7
(2 )
5
(2 )
2
(2 )
1
(2 )
0
32
0/1
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Measurement Event Set
0 = Measurement Event Cleared
LL1
2
0/1
Events : TSF = Distortion Shaping Filter Error
TFO = Distortion Frequency Overflow
TFU = Distortion Frequency
RUF = Reading Underflow
BFL = Buffer Full
BHF = Buffer Half Full
BAV = Buffer Available
RAV = Reading Available
HL2 = High Limit 2
LL2 = Low Limit 2
HL1 = High Limit
LL1 = Low Limit
ROF = Reading Overflow
BFL HL1
ROF
512
41
0/1 0/1
0/1
BHF
BAV
256
128
0/1
0/1
B13 B12
B11
0/10/1
LL2HL2
(2 )
4
16
(2 )
5
8
RUF
11
2048
(2 )
0/1
TFO
12
4096
(2 )
0/1
TFU
TSF
13
14
8192
16384
(2 )
(2 )
0/1
0/1
gure
-
easurement
event register
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
igure 5-5
Questionable event register