Keithley 2750 User Manual page 316

Model 2750 Multimeter/Switch System User's Manual
Figure 11-6
Measurement event status
Measurement
Condition
Register
Measurement
Event Register
OR
To
Measurement
Summary Bit
(MSB) of Status
Byte Register.
Measurement
Event Enable
Register
ML = Master Limit
BTF = Buffer Three-quarter Full
BQF = Buffer Quarter Full
HL = Hardware Limit Event
BOF = Buffer Overflow
BF = Buffer Full
— ML BTF BQF HL
(B15) (B14) (B13) (B12) (B11)
— ML BTF BQF HL
(B15) (B14) (B13) (B12) (B11)
&
&
&
&
— ML BTF BQF HL
(B15) (B14) (B13) (B12) (B11)
BHF = Buffer Half Full
BAV = Buffer Available
BN = Buffer Notify
RAV = Reading Available
HL2 = High Limit 2 Event
LL2 = Low Limt 2 Event
BOF BF BHF BAV BN
(B10) (B9) (B8) (B7) (B6)
BOF BF BHF BAV BN
(B10) (B9) (B8) (B7) (B6)
&
&
&
&
&
BOF BF BHF BAV BN
(B10) (B9) (B8) (B7) (B6)
HL1 = High Limit 1 Event
LL1 = Low Limit 1 Event
ROF = Reading Overflow
& = Logical AND
OR = Logical OR
Status Structure
RAV HL2 LL2 HL1 LL1
(B5) (B4) (B3) (B2) (B1)
RAV HL2 LL2 HL1 LL1
(B5) (B4) (B3) (B2) (B1)
&
&
&
&
&
RAV HL2 LL2 HL1 LL1
(B5) (B4) (B3) (B2) (B1)
11-15
ROF
(B0)
ROF
(B0)
&
ROF
(B0)