Tektronix Keithley 2281 Series Reference Manual page 8

Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
Idle and initiate ........................................................................................................................ 3-31
Arm layer ................................................................................................................................. 3-31
Trigger layer ............................................................................................................................ 3-31
Source, source delay, and measure actions ........................................................................... 3-32
Counter ................................................................................................................................... 3-32
Meter complete ....................................................................................................................... 3-32
Running the trigger model ....................................................................................................... 3-33
Level trigger ....................................................................................................................... 3-35
Configuring a voltage level trigger ........................................................................................... 3-35
Configuring a current level trigger ........................................................................................... 3-37
List operation ...................................................................................................................... 3-39
Configuring a list ..................................................................................................................... 3-40
Importing a list from an external USB flash drive .................................................................... 3-42
Exporting a list to an external USB flash drive ........................................................................ 3-43
Configuring and running a list.................................................................................................. 3-43
Aborting a list .......................................................................................................................... 3-53
Sink operation .................................................................................................................... 3-54
Battery test ......................................................................................................................... 3-55
Battery charging and discharging ............................................................................................ 3-56
Battery discharging test ........................................................................................................... 3-57
Battery charging test ............................................................................................................... 3-59
Generating and editing a battery model .................................................................................. 3-60
ESR measurement .................................................................................................................. 3-63
A-H measurement ................................................................................................................... 3-66
Capacitance measurement ..................................................................................................... 3-69
Battery simulation ............................................................................................................... 3-70
Battery simulation settings ...................................................................................................... 3-70
Simulating a battery ................................................................................................................ 3-71
Measurement optimization ...................................................................................... 4-1
Introduction .......................................................................................................................... 4-1
Optimizing either measurement accuracy or speed ............................................................ 4-1
Resolution ................................................................................................................................. 4-2
NPLC ........................................................................................................................................ 4-4
Autozero measurements ........................................................................................................... 4-5
Displayed digits ......................................................................................................................... 4-6
Filtering measurement data....................................................................................................... 4-7
Math calculations that you can apply to measurements .................................................... 4-11
mx+b ....................................................................................................................................... 4-11
Setting mx+b math operations ................................................................................................ 4-12
Relative offset .................................................................................................................... 4-13
Establishing a relative offset value .......................................................................................... 4-13
Displayed measurements................................................................................................... 4-15
Select the source of readings .................................................................................................. 4-17
ESR measurement ............................................................................................................. 4-18
Introduction to the ESR measurement .................................................................................... 4-18
Measuring ESR in the battery test function ............................................................................. 4-20
A-H measurement .............................................................................................................. 4-21
Introduction to the A-H measurement ..................................................................................... 4-21
Measuring A-H in the battery test function .............................................................................. 4-22
Table of contents