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194 Measurement Speed and Accuracy Trade-offs Appendix C
Speed Advantage
Using the Special
Non-SCPI
Commands
(F1-F4 and R1-R7)
You can save approximately three (3) milliseconds by using an F1 - F4
special function command instead of changing function with the equivalent
SCPI
[SENSe:] function command. You can save approximately five (5)
milliseconds by using an
R1 - R7 special range command instead of
changing the range with the equivalent SCPI
[SENSe:] range command.
Special Commands and Their Equivalent [SENSe:] Command
Speed
Advantage
Special
Command Equivalent [SENSe:] SCPI command
approximate
3 mS advan-
tage with spe-
cial command
F1 [SENSe:]FUNC "VOLT[:DC]"
F2 [SENSe:]FUNC "CURR[:DC]"
F3 [SENSe:]FUNC "RES"
F4 [SENSe:]FUNC "FRES"
The special range command affects the currently configured function.
approximate
5 mS advan-
tage with spe-
cial command
R1 [SENSe:]VOLT[:DC]:RANG 0.1
[SENSe:]CURR[:DC]:RANG 0.01
[SENSe:]RES:RANG 100
[SENSe:]FRES:RANG 100
R2 [SENSe:]VOLT[:DC]:RANG 1
[SENSe:]CURR[:DC]:RANG 0.1
[SENSe:]RES:RANG 1000
[SENSe:]FRES:RANG 1000
R3 [SENSe:]VOLT[:DC]:RANG 10
[SENSe:]CURR[:DC]:RANG 1
[SENSe:]RES:RANG 10000
[SENSe:]FRES:RANG 10000
R4 [SENSe:]VOLT[:DC]:RANG 100
[SENSe:]CURR[:DC]:RANG 3
[SENSe:]RES:RANG 1E5
[SENSe:]FRES:RANG 1E5
R5 [SENSe:]VOLT[:DC]:RANG 300
CURR[:DC] DOES NOT APPLY
[SENSe:]RES:RANG 1E6
[SENSe:]FRES:RANG 1E6
R6 VOLT[:DC] DOES NOT APPLY
CURR[:DC] DOES NOT APPLY
[SENSe:]RES:RANG 10E6
[SENSe:]FRES:RANG 10E6
R7 VOLT[:DC] DOES NOT APPLY
CURR[:DC] DOES NOT APPLY
[SENSe:]RES:RANG 100E6
[SENSe:]FRES:RANG 100E6