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Keithley 6430 User Manual

Keithley 6430
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20-2 Routine Maintenance
Introduction
The information in this section deals with routine type maintenance that can be performed
by the operator.
Line fuse replacement
WARNING Disconnect the line cord at the rear panel, and remove all test leads con-
nected to the instrument before replacing the line fuse.
The power line fuse is accessible from the rear panel, just above the AC power receptacle
(Figure 20-1).
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
MADE IN
U.S.A.
INPUT/
OUTPUT
42V
PEAK
250V
PEAK
TRIGGER
LINK
4-WIRE
SENSE
HI
LO
LINE RATING
100-240VAC
50, 60, HZ
100VA MAX
RS232
IEEE-488
(ENTER IEEE ADDRESS
WITH FRONT PANEL MENU)
250V
PEAK
5V
PEAK
5V
PEAK
5V
PK
V, ,
GUARD
GUARD
SENSE
LINE FUSE
SLOWBLOW
2.5A, 250V
INTERLOCK-
DIGITAL I/O
REMOTE
PreAmp
!
F
i
gure
20
-
1
Rear panel

Table of Contents

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Keithley 6430 Specifications

General IconGeneral
TypeSub-Femtoamp Remote SourceMeter
Compliance Voltage200 V
Maximum Output Voltage200 V
Maximum Output Current100 mA
Compliance LimitProgrammable
InterfaceGPIB, 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.

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.

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

Safety Interlock

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

14 Status Structure

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

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

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

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.

F Measurement Considerations

Floating measurement safety concerns

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

Leakage currents and guarding

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

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