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Model 2651A High Power System SourceMeter® Instrument Reference Manual
Bit
Value
B0
status.operation.CALIBRATING
status.operation.CAL
B1-B2
Not used
B3
status.operation.SWEEPING
status.operation.SWE
B4
status.operation.MEASURING
status.operation.MEAS
B5-B9
Not used
B10
status.operation.TRIGGER_OVERRUN
status.operation.TRGOVR
B11
status.operation.REMOTE_SUMMARY
status.operation.REM
B12
status.operation.USER
B13
status.operation.INSTRUMENT_SUMMARY
status.operation.INST
B14
status.PROGRAM_RUNNING
status.PROG
B15
Not used
As an example, to set bit B12 of the operation status enable register, set status.operation.enable =
status.OPERATION.USER.
In addition to the above constants, operationRegister can be set to the numeric equivalent of the bit to set.
To set more than one bit of the register, set operationRegister to the sum of their decimal weights. For
example, to set bits B12 and B14, set operationRegister to 20,480 (which is the sum of 4096 + 16,384).
Bit
Binary value
Decimal
Weights
Bit
Binary value
Decimal
Weights
Example 1
operationRegister = status.operation.USER +
status.operation.PROG
status.operation.enable = operationRegister
2651A-901-01 Rev. A / March 2011
B7
B6
B5
0/1
0/1
0/1
128
64
32
7
6
5
(2
)
(2
)
(2
)
B15
B14
B13
0/1
0/1
0/1
32,768
16,384
8,192
15
14
13
(2
)
(2
)
(2
)
Section 7: Command reference
Description
Set bit indicates that the summary bit of the
status.operation.calibrating register has been
set.
Bit B0 decimal value: 1
Not applicable
Set bit indicates that the summary bit from the
status.operation.sweeping register is set.
Bit B3 decimal value: 8
Set bit indicates that the summary bit of the
status.operation.measuring register is set.
Bit B4 decimal value: 16
Not applicable
Set bit indicates that the summary bit from the
status.operation.trigger_overrun register is set.
Bit B10 decimal value: 1024
Set bit indicates that the summary bit of the
status.operation.remote register is set.
Bit B11 decimal value: 2048
Set bit indicates that the summary bit from the
status.operation.user register is set.
Bit B12 decimal value: 4096
Set bit indicates that the summary bit from the
status.operation.instrument register is set.
Bit B13 decimal value: 8192
Set bit indicates that a command or program is running.
Bit B14 decimal value: 16,384
Not applicable
B4
B3
B2
0/1
0/1
0/1
16
8
4
4
3
2
(2
)
(2
)
(2
)
B12
B11
B10
0/1
0/1
0/1
4,096
2,048
1024
12
11
10
(2
)
(2
)
(2
)
Sets the USER and PROG bits of the
operation status enable register using
constants.
B1
B0
0/1
0/1
2
1
1
0
(2
)
(2
)
B9
B8
0/1
0/1
512
256
9
8
(2
)
(2
)
7-267
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Troubleshooting
