Keithley 6430 User Manual

17-64 SCPI Command Reference
SOURce subsystem
This subsystem is used to configure and control the I-Source and V-Source, and to set the
logic level (high or low) of each digital output line. The commands for this subsystem are sum-
marized in Table 17-6.
SOURce[1]
Use the following commands to configure and control the I-Source and V-Source. At the end
of this subsystem are program examples of sweeps and lists.
Control source output-off
[:IMMediate]
:SOURce[1]:CLEar[:IMMediate] Turn source output off
Description This command is used to turn off the source output. The output will turn off
after all programmed source-measure operations are completed and the
instrument returns to the idle state.
Note that if auto output-off is enabled, the source output will automatically
turn off. See the next command.
:AUTO
:SOURce[1]:CLEar:AUTO <b> Control auto output-off
Parameters <b> = 1 or ON Enable auto output-off
0 or OFF Disable auto output-off
Query :AUTO? Query state of auto output-off
Description This command is used to control auto output-off for the source. With auto
output-off enabled, an :INITiate (or :READ? or MEASure?) will start
source-measure operation. The output will turn on at the beginning of each
SDM (source-delay-measure) cycle and turn off after each measurement is
completed.
With auto output-off disabled, the source output must be on before an
:INITiate or :READ? can be used to start source-measure operation. The
:MEASure? command will automatically turn on the source output. Once
operation is started, the source output will stay on even after the instrument
returns to the idle state. Auto output-off is the *RST and :SYSTem:PRESet
default.
WARNING With auto output-off disabled, the source output will remain on after all
programmed source-measure operations are completed. Beware of hazard-
ous voltage that may be present on the output terminals.

Keithley 6430 Specifications

General

Type	Sub-Femtoamp Remote SourceMeter
Compliance Voltage	200 V
Maximum Output Voltage	200 V
Maximum Output Current	100 mA
Compliance Limit	Programmable
Interface	GPIB, RS-232
Input Impedance	>10^14 Ω

Summary

Safety Precautions

3 Basic Source-Measure Operation

Basic Source-Measure Procedure

Details setup for source-measure operations: function, values, limits, and output control.

5 Source-Measure Concepts

Compliance limit

Discusses compliance limits, values, and determination.

Operating boundaries

Covers voltage/current boundaries for source, sink, I-source, V-source, and source-measure modes.

6 Range, Digits, Speed, and Filters

Range and digits

Discusses available ranges, limits, manual/autoranging, and display resolution.

Speed

Filters

Provides information on 3-stage filtering to reduce reading noise.

7 Relative and Math

Math Operations

Details math (FCTN) operations: power, offset ohms, varistor, etc.

9 Sweep Operation

Configuring and Running a Sweep

Discusses setup, configuration, delay setting, and performing sweeps.

10 Triggering

Trigger Model

Discusses trigger model, layers, event detection, delay, and device action.

Configuring Triggering

Details how to configure various triggering aspects.

Remote Triggering

Details remote trigger model, commands, and basic triggering example.

11 Limit Testing

Types of Limits

Discusses three limit types: compliance, coarse, fine; summarizes grading and sorting modes.

Configuring and Performing Limit Tests

Describes configuration for limit tests and typical test procedure.

Remote Limit Testing

12 Digital I/O Port, Interlock, and Output Configuration

Digital I/O Port

Safety Interlock

Describes using Digital I/O Port as a safety interlock.

Front Panel Output Configuration

14 Status Structure

Programming and Reading Registers

Status Byte and Service Request (SRQ)

Explains programming Status Byte for SRQs and using serial poll to detect SRQs.

15 Common Commands

Command Summary

Lists IEEE-488.2 common commands used by the SourceMeter.

Command Reference

Provides detailed reference for common commands, excluding status structure.

16 SCPI Signal-Oriented Measurement Commands

Command Summary

Configuring Measurement Function

Provides detailed info on commands to configure measurement function.

Acquiring Readings

Describes commands to acquire post-processed readings, trigger, acquire, and single measurement.

17 SCPI Command Reference

18 Performance Verification

Verification Test Requirements

Recommended Test Equipment

Performing the Verification Test Procedures

Details restoring factory defaults, setting ranges, and output values.

Mainframe Verification

Covers procedures to verify mainframe accuracy alone.

19 Calibration

Recommended Calibration Equipment

Unlocking Calibration

Mainframe Calibration

Includes procedures to calibrate the mainframe without the Remote PreAmp.

20 Routine Maintenance

Line Fuse Replacement

Covers procedure and part numbers for replacing the line fuse.

Front Panel Tests

F Measurement Considerations

Floating measurement safety concerns

Discusses safety concerns for measurements up to 42V above chassis ground.

Low current measurements

Leakage currents and guarding

Explains reducing leakage currents using insulators, humidity control, and guarding.