Keithley 2001

54
(B13 - B9)(B14)
(B8)
(B15)
OR
Questionable Condition Register Questionable Event Enable Register
Warn = Command Warning Cal = Calibration Summary Temp = Temperature Summary & = Logical AND OR = Logical OR PTR = Positive Transition Register NTR = Negative Transition Register
&
&
&
0
(B13 - B9)
(B14) (B8)
(B15)
0
Cal
(B13 - B9)
(B14) (B8)
(B15)
0
Warn Cal
PTR
NTR
Questionable Transition Filter
Questionable Event Register
(B13 - B9)
(B14) (B8)
(B15)
To Questionable Summary Bit (QSB) of Status Byte Register. (See figure 6).
(B7 - B5)
(B7 - B5)
(B7 - B5) (B7 - B5)
Warn Cal
0
Warn Cal
&
(B4)
Temp
(B4)
Temp
(B4)
Temp
(B3 - B0)
(B3 - B0)
(B3 - B0) (B3 - B0)
(B4)
Temp
&
Figure 5. Questionable event status