Tektronix Keithley 2281 Series Reference Manual page 14

Model 2281S-20-6 DC Power Supply and Battery Simulator Reference Manual
:TRIGger[:SEQuence[n]]:SOURce ........................................................................................ 7-200
Troubleshooting guide ............................................................................................ 8-1
Introduction .......................................................................................................................... 8-1
Contacting support ............................................................................................................... 8-1
What to do if the power supply does not turn on ................................................................. 8-2
LAN troubleshooting suggestions ........................................................................................ 8-3
Error summary ..................................................................................................................... 8-3
Next steps ................................................................................................................. 9-1
Additional 2281S information ............................................................................................... 9-1
Maintenance ............................................................................................................. A-1
Introduction .......................................................................................................................... A-1
Line fuse replacement .......................................................................................................... A-1
Upgrading the firmware ........................................................................................................ A-2
From the front panel .................................................................................................................. A-3
Perform DIN VDE 701 test ................................................................................................... A-4
Cleaning the front-panel display .......................................................................................... A-4
Verification ............................................................................................................... B-1
Overview .............................................................................................................................. B-1
Test record ........................................................................................................................... B-1
DC voltage setting accuracy with remote sense ........................................................................ B-3
DC voltage setting accuracy without remote sense ................................................................... B-4
DC voltage readback accuracy with remote sense ................................................................... B-5
DC voltage readback accuracy without remote sense .............................................................. B-6
DC voltage line regulation without remote sense ...................................................................... B-6
DC voltage load regulation without remote sense ..................................................................... B-6
DC overvoltage protection ......................................................................................................... B-7
Maximum continuous average sink current ............................................................................... B-7
Sink current readback accuracy (1 A range) ............................................................................. B-8
Sink current readback accuracy (10 mA range) ........................................................................ B-8
Sink current readback accuracy (100 mA range) ...................................................................... B-9
DC current accuracy ............................................................................................................... B-10
DC current readback accuracy (10 A range) ........................................................................... B-11
DC current readback accuracy (1 A range) ............................................................................. B-11
DC current readback accuracy (10 mA range) ........................................................................ B-12
DC current readback accuracy (100 mA range) ...................................................................... B-12
DC current line regulation........................................................................................................ B-13
DC current load regulation ...................................................................................................... B-13
DC overcurrent protection ....................................................................................................... B-13
Voltage noise at 20 MHz ......................................................................................................... B-14
Current noise at 20 MHz ......................................................................................................... B-14
Performance verification procedures ................................................................................. B-15
Performance verification conditions ........................................................................................ B-15
Required equipment ................................................................................................................ B-16
Check DC voltage setting readback accuracy with remote sense ........................................... B-16
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