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2606B System SourceMeter® Instrument Reference Manual
Section 7: TSP command reference
2606B-901-01 Rev. B / May 2018
7-315
B7
B6
B5
B4
B3
B2
B1
B0
**
>
>
>
>
>
>
*
1
0
0
0
0
0
0
1
* Least significant bit
** Most significant bit
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to
Enable and transition registers
(on page E-16). The individual bits of this
register are defined in the following table.
Bit
Value
Description
B0
status.MEASUREMENT_SUMMARY_BIT
status.MSB
Set summary bit indicates that an enabled event in
the Measurement Event Register has occurred.
Bit B0 decimal value: 1
B1
status.SYSTEM_SUMMARY_BIT
status.SSB
Set summary bit indicates that an enabled event in
the System Summary Register has occurred.
Bit B1 decimal value: 2
B2
status.ERROR_AVAILABLE
status.EAV
Set summary bit indicates that an error or status
message is present in the Error Queue.
Bit B2 decimal value: 4
B3
status.QUESTIONABLE_SUMMARY_BIT
status.QSB
Set summary bit indicates that an enabled event in
the Questionable Status Register has occurred.
Bit B3 decimal value: 8
B4
status.MESSAGE_AVAILABLE
status.MAV
Set summary bit indicates that a response message
is present in the Output Queue.
Bit B4 decimal value: 16
B5
status.EVENT_SUMMARY_BIT
status.ESB
Set summary bit indicates that an enabled event in
the Standard Event Status Register has occurred.
Bit B5 decimal value: 32
B6
Not used
Not applicable
B7
status.OPERATION_SUMMARY_BIT
status.OSB
Set summary bit indicates that an enabled event in
the Operation Status Register has occurred.
Bit B7 decimal value: 128
As an example, to set bit B0 of the service request enable register, set
status.request_enable
= status.MSB
.
In addition to the above values,
requestSRQEnableRegister
can be set to the numeric equivalent
of the bit to set. To set more than one bit of the register, set
requestSRQEnableRegister
to the
sum of their decimal weights. For example, to set bits B0 and B7, set
requestSRQEnableRegister
to 129 (1 + 128).
Bit
B7
B6
B5
B4
B3
B2
B1
B0
Binary value
0/1
0/1
0/1
0/1
0/1
0/1
0/1
0/1
Decimal
128
64
32
16
8
4
2
1
Weights
(2
7
)
(2
6
)
(2
5
)
(2
4
)
(2
3
)
(2
2
)
(2
1
)
(2
0
)