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IEEE-488 Reference
3-115
tus structure. Conversely, when a bit in an event enable register is set (1), the corresponding bit
in the event register is unmasked. When the unmasked bit in the event register sets, the summary
bit of the next register set in the status structure will set.
The decimal weighting of the bits for each event enable register are included in Figures 3-28
through 3-33. The sum of the decimal weights of the bits that you wish to set is sent as the pa-
rameter (<NRf>) for the appropriate :ENABle command. For example, to set the BFL and RAV
bits of the Measurement Event Enable Register, send the following command:
:stat:meas:enab 544
where; BFL (bit B9) = Decimal
512
RAV (bit B5) = Decimal
32
<NRf> =
544
RAV
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
(2 )
9
(2 )
8
(2 )
7
(2 )
5
(2 )
4
(2 )
3
(2 )
2
(2 )
1
(2 )
0
32
0/1
Bit Position
Event
Decimal Weighting
Value
LL1
2
0/1
Events : VSC = V-Source Compliance
FLC = Fixture Lid Closed
OL = Out of Limits
BPT = Buffer Pretriggered
SRA = Sequence Reading Available
BFL = Buffer Full
BHF = Buffer Half Full
BAV = Buffer Available
RUF = Reading Underflow
RAV = Reading Available
HL2 = High Limit 2
LL2 = Low Limit 2
HL1 = High Limit 1
LL1 = Low Limit 1
ROF = Reading Overflow
BFL
HL2
HL1
ROF
512
16
4
1
0/1
0/1
0/1
0/1
BHF BAV
LL2
256
128
8
0/1
0/1
0/1
BPT
B11
(2 )
11
2048
0/1
B14
B13
B12
0/1
4096
0/1
B15
(2 )
12
VSC
OL
RUF
16384
(2 )
14
(2 )
6
256
0/1
Value : 1 = Enable Measurement Event
0 = Disable (Mask) Measurement Event
SRA
(2 )
10
1024
0/1
FLC
8192
(2 )
13
0/1
Figure 3-28
Measurement Event Enable Register
Figure 3-29
Questionable Event Enable Register
RAV
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
(2 )
9
(2 )
8
(2 )
7
(2 )
5
(2 )
4
(2 )
1
(2 )
0
32
0/1
Bit Position
Event
Decimal Weighting
Value
Value : 1 = Enable Questionable Event
0 = Disable (Mask) Questionable Event
Amp
2
0/1
Events : Warn = Command Warning
Cal = Calibration Summary
Seq = Sequence Test Summary
Temp = Temperature Summary
Coul = Coulombs Summary
Amp = Amps Summary
Hum = Humidity Summary Volt = Volts Summary
Hum
Temp
Volt
512
16
1
0/1
0/1
0/1
Cal
BAV
256
128
0/1
0/1
Coul
B11
(2 )
11
2048
0/1
B14
B13
B12
0/1
4096
0/1
B15
(2 )
12
Warn
Seq
RUF
16384
(2 )
14
(2 )
6
256
0/1
Содержание 6517A
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