Keithley 2450 Reference Manual page 564

Model 2450 Interactive SourceMeter® Instrument Reference Manual
bufferVar.statuses
This attribute contains the status values of readings in the reading buffer.
Type TSP-Link accessible
Attribute (R) Yes
Usage
statusInformation = bufferVar.statuses[N]
statusInformation
bufferVar
N
Details
This buffer recall attribute holds an array (a Lua table) of the status values for all the readings in the buffer. The
status values are floating-point numbers that encode the status value; see the following tables for values.
Buffer status bits for sense measurements
Bit Name
STAT_QUESTIONABLE
1
STAT_ORIGIN
2
STAT_TERMINAL
3
STAT_LIMIT2_LOW
4
STAT_LIMIT2_HIGH
5
STAT_LIMIT1_LOW
6
STAT_LIMIT1_HIGH
7
For information about source status values, see
2450-901-01 Rev. B/September 2013
Affected by Where saved
Restore configuration Not applicable
Instrument reset
Power cycle
The status value when reading N of the specified buffer was acquired;
measurement status values are:
buffer.STAT_LIMIT1_HIGH
•
buffer.STAT_LIMIT1_LOW
•
buffer.STAT_LIMIT2_HIGH
•
buffer.STAT_LIMIT2_LOW
•
buffer.STAT_TERMINAL
•
buffer.STAT_ORIGIN
•
buffer.STAT_QUESTIONABLE
•
The name of the reading buffer, which may be a default buffer (defbuffer1 or
defbuffer2) or a user-defined buffer
The reading number N; can be any value between 1 and the number of readings
in the buffer; use the bufferVar.n command to determine the number of
readings in the buffer
Decimal
value
2
4
8
16
32
64
128
bufferVar.sourcestatuses
Section 8: TSP command reference
Default value
Not applicable
Description
Measure status questionable
The A/D converter from which the reading
originated; for the Model 2450>, this will
always be 0 (Main)
Measure terminal, front is 1, rear is 0
Measure status limit 2 low
Measure status limit 2 high
Measure status limit 1 low
Measure status limit 1 high
(on page 8-29).
8-33