Keithley 2651A Reference Manual

Section 7: Command reference Model 2651A High Power System SourceMeter® Instrument Reference Manual
7-256 2651A-901-01 Rev. A / March 2011
Details
These attributes are used to read or write to the measurement event current limit 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 sets
(on page E-
2) and Enable and transition registers
(on page E-18). The individual bits of this register have the following
meanings:
Bit Value Description
B0 Not used Not applicable.
B1
status.measurement.current_limit.SMUA
Set bit indicates that the current limit was
exceeded.
Bit B1 decimal value: 2
Binary value: 0000 0010
B2-B15 Not used Not applicable.
As an example, to set bit B1 of the measurement event current limit summary enable register, set
status.measurement.current_limit.enable = status.measurement.current_limit.SMUA.
In addition to the above constant, measurementRegister can be set to the decimal equivalent of the bit to set.
Example
status.measurement.current_limit.enable =
status.measurement.current_limit.SMUA
Sets the SMUA bit of the
measurement event current limit
summary enable register.
Also see
Measurement Event Registers (on page E-23)
status.measurement.instrument.smuX.*
(on page 7-257)
status.measurement.instrument.*
This attribute contains the registers of the measurement event 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
measurementRegister = status.measurement.instrument.condition
measurementRegister = status.measurement.instrument.enable
measurementRegister = status.measurement.instrument.event
measurementRegister = status.measurement.instrument.ntr
measurementRegister = status.measurement.instrument.ptr
status.measurement.instrument.enable = measurementRegister
status.measurement.instrument.ntr = measurementRegister
status.measurement.instrument.ptr = measurementRegister

Keithley 2651A Specifications

General

Brand	Keithley
Model	2651A
Category	Measuring Instruments
Language	English