Keithley 2657A User Manual

Section 7: TSP command reference Model 2657A High Power System SourceMeter® Instrument Reference Manual
7-302 2657A-901-01 Rev. B/December 2012
Also see
Questionable Status Registers (on page E-13)
status.questionable.*
(on page 7-299)
status.questionable.instrument.*
This attribute contains the questionable status instrument summary register set.
Type TSP-Link accessible Affected by Where saved Default value
Attribute - - - - - - - -
.condition (R) Yes Not applicable Not saved Not applicable
.enable (RW) Yes Status reset Not saved 0
.event (R) Yes Status reset Not saved 0
.ntr (RW) Yes Status reset Not saved 0
.ptr (RW) Yes Status reset Not saved 2 (All bits set)
Usage
questionableRegister = status.questionable.instrument.condition
questionableRegister = status.questionable.instrument.enable
questionableRegister = status.questionable.instrument.event
questionableRegister = status.questionable.instrument.ntr
questionableRegister = status.questionable.instrument.ptr
status.questionable.instrument.enable = questionableRegister
status.questionable.instrument.ntr = questionableRegister
status.questionable.instrument.ptr = questionableRegister
questionableRegister
The status of the questionable status instrument summary register; a
zero (0) indicates no bits set (also send 0 to clear all bits); the only valid
value other than 0 is 2
Details
These attributes are used to read or write to the questionable status instrument 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
B0 Not used Not applicable
B1
status.questionable.instrument.SMUA
Set bit indicates that one or more enabled bits in
the questionable status SMU A summary event
register are set.
Bit B1 decimal value: 2
Binary value: 0000 0010
B2 to
B15
Not used Not applicable.
In addition to the above constants, questionableRegister can be set to the numeric equivalent of the bit to
set.
Example
status.questionable.instrument.enable =
status.questionable.instrument.SMUA
Uses a constant to set the SMUA bit
of the questionable status
instrument summary enable register.

Keithley 2657A Specifications

General

Brand	Keithley
Model	2657A
Category	Measuring Instruments
Language	English