Keithley 6220

C IEEE-488 Bus Overview
Introduction ............................................................................................................ C-2
Bus description ....................................................................................................... C-3
Bus lines ................................................................................................................. C-4
Data lines ........................................................................................................ C-5
Bus management lines .................................................................................... C-5
Handshake lines .............................................................................................. C-5
Bus commands ....................................................................................................... C-6
Uniline commands .......................................................................................... C-9
Universal multiline commands ....................................................................... C-9
Addressed multiline commands .................................................................... C-10
Address commands ....................................................................................... C-10
Unaddress commands ................................................................................... C-11
Common commands ..................................................................................... C-11
SCPI commands ............................................................................................ C-11
Command codes ............................................................................................ C-12
Typical command sequences ......................................................................... C-12
IEEE command groups ................................................................................. C-14
Interface function codes ....................................................................................... C-15
D IEEE-488 and SCPI Conformance Information
Introduction ............................................................................................................ D-2
E Applications
Calibration source .................................................................................................. E-2
Resistivity measurements ....................................................................................... E-3
Diode characterization ........................................................................................... E-4
Transistor characterization ..................................................................................... E-5
External user-supplied filter ................................................................................... E-7
Typical filter circuits ....................................................................................... E-8
Filter circuit considerations ............................................................................ E-9
Suggested filter circuit components .............................................................. E-10
Compliance overshoot prevention ........................................................................ E-11
Calculating overshoot ................................................................................... E-11
Effect of compliance setpoint on settling times ............................................ E-12
Preventing compliance overshoot ................................................................. E-12
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