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Keithley 2600B User Manual

Keithley 2600B
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Series 2600B
System SourceMeter® Instrument Reference Manual Section 7: TSP command referen
ce
2600BS-901-01 Rev. C / August 2016 7-291
B7
B6
B5
B4
B3
B2
B1
B0
**
>
>
>
>
>
>
*
1
0
0
0
0
0
0
1
* Least significant bit
** Most significant bit
The returned value can indicate one or more status events occurred.
Bit Value Description
B0
status.MEASUREMENT_SUMMARY_BIT
status.MSB
Set summary bit indicates that an enabled measurement
event has occurred.
Bit B0 decimal value: 1
B1
Not used
Not applicable
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 questionable
event 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 standard event
has occurred.
Bit B5 decimal value: 32
B6
status.MASTER_SUMMARY_STATUS
status.MSS
Set bit indicates that an enabled Master Summary Status
(MSS) bit of the Status Byte register is set.
Bit B6 decimal value: 64
B7
status.OPERATION_SUMMARY_BIT
status.OSB
Set summary bit indicates that an enabled operation event
has occurred.
Bit B7 decimal value: 128
In addition to the above constants, nodeEventRegister can be set to the decimal equivalent of the
bits set. When more than one bit of the register is set, nodeEventRegister contains the sum of
their decimal weights. For example, if 129 is returned, bits B0 and B7 are set (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
)
Example
nodeEventRegister = status.node_event
print(nodeEventRegister)
Reads the status node event register.
Sample output:
1.29000e+02
Converting this output (129) to its binary
equivalent yields 1000 0001
Therefore, this output indicates that the set bits
of the status byte condition register are presently
B0 (MSB) and B7 (OSB).

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Keithley 2600B Specifications

General IconGeneral
BrandKeithley
Model2600B
CategoryMeasuring Instruments
LanguageEnglish

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