System SourceMeter® Instrument Reference Manual Section 7:
2600BS-901-01 Rev. C / August 2016 7-339
status.questionable.unstable_output.*
This attribute contains the questionable status unstable output summary register set.
Type TSP-Link accessible Affected by Where saved Default value
.event (R) Yes Status reset Not saved 0
Models 2601B/2611B/2635B: 2 (All bits set)
Models
2602B/2604B/2612B/2614B/2634B/2636B:
6 (All bits set)
Usage
questionableRegister = status.questionable.unstable_output.condition
questionableRegister = status.questionable.unstable_output.enable
questionableRegister = status.questionable.unstable_output.event
questionableRegister = status.questionable.unstable_output.ntr
questionableRegister = status.questionable.unstable_output.ptr
status.questionable.unstable_output.enable = questionableRegister
status.questionable.unstable_output.ntr = questionableRegister
status.questionable.unstable_output.ptr = questionableRegister
The status of the questionable status unstable output summary register; a zero (0)
indicates no bits set (also send 0 to clear all bits); other values indicate various bit
Details
These attributes are used to read or write to the questionable status unstable output summary
registers. Reading a status register returns a value. The binary equivalent of the returned value
indicates which register bits are set. The least significant bit of the binary number is bit B0, and the
most significant bit is bit B15.
For information about .condition, .enable, .event, .ntr, and .ptr registers, refer to
Status register set
contents (on page E-1) and Enable and transition registers (on page E-19). The individual bits of this
register are defined in the following table.
Bit Value Description
B1
status.questionable.unstable_output.SMUA
Set bit indicates that an unstable output
condition was detected on SMU A.
Bit B1 decimal value: 2
status.questionable.unstable_output.SMUB
This bit is only available on Models
2602B/2604B/2612B/2614B/2634B/2636B.
Set bit indicates that an unstable output
condition was detected on SMU B.
Bit B2 decimal value: 4
Binary value: 0000 0100