User manual

IEEE-488 Reference
4-178 2001-900-01 Rev. K / August 2010
Effects of positive transitions on the Questionable Event Register:
Positive transition effect on
Questionable event Questionable Event Register
Temperature summary Sets B4 when an invalid reference junction measurement has oc-
curred.
Calibration summary Sets B8 when an invalid calibration constant is detected on power-up.
Command warning Sets B14 when a Signal Oriented Measurement Command parameter
is ignored.
cáÖìêÉ=QJPR
Questionable Transition Filter
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Enable Positive Transition
0 = Disable Positive Transition
A) Positive Transition (PTR) Register
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Enable Negative Transition
0 = Disable Negative Transition
B) Negative Transition (NTR) Register
Cal
B13 - B9 B8B15 B14
(2 )
8
25
6
(2 )
14
16384
0/10/1
Warn
B7 - B5
0
Temp
B4
(2 )
4
16
0/1
B3 - B0
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