Keithley 6482 Reference Manual page 11

Table of Contents
C IEEE-488 Bus Overview
Introduction
Bus description
Bus lines
Bus commands
Interface function
D Measurement Considerations
Low current measurements
General measurement considerations
E GPIB 488.1 Protocol
Introduction
Selecting the 488.1 protocol
Protocol differences
F Example Programs
Introduction
Basic measurement
Data store program
Linear sweep program
Limit test program
8
CALCulate5:DATA? and
CALCulate7:DATA? .............................................................................. B-4
TRACe:DATA?...................................................................................... B-4
CALCulate8:DATA? .............................................................................. B-4
................................................................................................ C-2
.......................................................................................... C-3
.................................................................................................... C-4
Data lines ............................................................................................ C-4
Bus management lines ........................................................................ C-5
Handshake lines.................................................................................. C-5
.......................................................................................... C-6
Uniline commands............................................................................... C-7
Universal multiline commands............................................................. C-7
Addressed multiline commands
Address commands............................................................................. C-8
Unaddress commands ........................................................................ C-8
Common commands ........................................................................... C-8
SCPI commands ................................................................................. C-9
Command codes ................................................................................. C-9
Typical command sequences
IEEE command groups
codes........................................................................... C-12
Leakage currents................................................................................. D-2
Noise and source impedance
Generated currents ............................................................................. D-3
Voltage burden .................................................................................... D-5
Ground loops ....................................................................................... D-6
Light..................................................................................................... D-7
Electrostatic interference
Magnetic fields .................................................................................... D-7
Electromagnetic interference (EMI)
.............................................................................. E-1
................................................................................................. E-2
.................................................................................... E-2
Message exchange protocol (MEP)
Using SCPI-based programs................................................................ E-3
Bus hold-off .......................................................................................... E-3
Trigger-on-talk ...................................................................................... E-3
Message available................................................................................ E-3
General operation notes....................................................................... E-4
................................................................................ F-1
................................................................................................. F-2
program...................................................................... F-2
..................................................................................... F-3
................................................................................ F-4
....................................................................................... F-5
Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
CALCulate6:DATA?....................................... B-4
....................................................................... C-1
.......................................................... C-8
............................................................ C-10
..................................................................... C-12
............................................................ D-1
....................................................................... D-2
.............................................................. D-2
....................................................... D-6
..................................................................... D-7
..................................................... D-8
....................................................................... E-2
..................................................... E-2
6482-901-01 Rev. A / August 2012