Keithley 6430

GPIB 488.1 Protocol G-7
Single-shot operation
Tables G-5 through G-7 show reading rates for measure-only, source-measure, and source-
measure-limit test single-shot operation respectively. Note that the reading rate can be
increased by >100%.
Table G-3
SCPI/488.1 reading speed comparisons for source-measure-limit test
sweep operation (rdgs/sec)
Speed NPLC/Trig. origin SCPI 488.1 Improvement
Fast 0.01/internal 809.5
981.1 21.19%
0.01/external 756.2
886.9 17.28%
Medium 0.10/internal 388.9 398.0 02.35%
0.10/external 374.6 383.9 02.47%
Normal 1.00/internal 056.9 057.1 00.41%
1.00/external 056.6 056.9 00.48%
Note: Pass/Fail test performed using one high limit and one low math limit.
Table G-4
SCPI/488.1 reading speed comparisons for source-memory sweep operation (rdgs/sec)
Speed NPLC/Trig. origin SCPI 488.1 Improvement
Fast 0.01/internal 164.8 165.2 0.23%
0.01/external 162.6 163.0 0.23%
Medium 0.10/internal 132.8 133.0 0.15%
0.10/external 131.4 131.4 0.00%
Normal 1.00/internal 044.4 044.4 0.00%
1.00/external 044.2 044.2 0.00%
Note: Pass/Fail test performed using one high limit and one low math limit.
Table G-5
SCPI/488.1 reading speed comparisons for measure-only single-shot operation (rdgs/sec)
Speed NPLC/Trig. origin SCPI 488.1 Improvement
Fast 0.01/internal 256.0
537.8 110.08%
Medium 0.10/internal 167.3
294.3 75.86%
Normal 1.00/internal 049.2 053.9 9.47%