Keithley 2000 User Manual

SCPI Command Reference 5-53
Measurement Event Register:
Bit B0, Reading Overflow (ROF) —
Set bit indicates that the reading ex-
ceeds the measurement range of the instrument.
Bit B1, Low Limit (LL) — Set bit indicates that the reading is less than the
Low Limit 1 setting.
Bit B2, High Limit (HL) — Set bit indicates that the reading is greater than
the High Limit 1 setting.
Bits B3 and B4 — Not used.
Bit B5, Reading Available (RAV) — Set bit indicates that a reading was tak-
en and processed.
Bit B6 — Not used.
Bit B7, Buffer Available (BAV) — Set bit indicates that there are at least two
readings in the trace buffer.
Bit B8, Buffer Half Full (BHF) — Set bit indicates that the trace buffer is
half full.
Bit B9, Buffer Full (BFL) — Set bit indicates that the trace buffer is full.
Bits B10 through B15 — Not used.
RAV
B15 - B12 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
LL
2
0/1
Events : BFL = Buffer Full
BHF = Buffer Half Full
BAV = Buffer Available
RAV = Reading Available
HL = High Limit
LL = Low Limit
ROF = Reading Overflow
BFL HL ROF
512 4 1
0/1 0/1 0/1
BHF BAV
256 128
0/1 0/1
B11
Figure 5-4
Measurement
event register

Keithley 2000 Specifications

General

Digits	6.5
DC Voltage Range	100 mV to 1000 V
AC Voltage Range	100 mV to 750 V
Resistance Range	100 Ω to 100 MΩ
Connectivity	IEEE-488 (GPIB)
Display Type	VFD