IEEE-488 Reference
3-98
:ULIMit <n>
[:SENSe[1]]:CURRent:AC:RANGe:AUTO:ULIMit <n>
Set upper limit for ACI
[:SENSe[1]]:CURRent:DC:RANGe:AUTO:ULIMit <n>
Set upper limit for DCI
[:SENSe[1]]:VOLTage:AC:RANGe:AUTO:ULIMit <n>
Set upper limit for ACV
[:SENSe[1]]:VOLTage:DC:RANGe:AUTO:ULIMit <n>
Set upper limit for DCV
[:SENSe[1]]:RESistance:RANGe:AUTO:ULIMit <n>
Set upper limit for
Ω
2
[:SENSe[1]]:FRESistance:RANGe:AUTO:ULIMit <n>
Set upper limit for
Ω
4
:LLIMit <n>
[:SENSe[1]]:CURRent:AC:RANGe:AUTO:LLIMit <n>
Set lower limit for ACI
[:SENSe[1]]:CURRent:DC:RANGe:AUTO:LLIMit <n>
Set lower limit for DCI
[:SENSe[1]]:VOLTage:AC:RANGe:AUTO:LLIMit <n>
Set lower limit for ACV
[:SENSe[1]]:VOLTage:DC:RANGe:AUTO:LLIMit <n>
Set lower limit for DCV
[:SENSe[1]]:RESistance:RANGe:AUTO:LLIMit <n>
Set lower limit for
Ω
2
[:SENSe[1]:FRESistance:RANGe:AUTO:LLIMit <n>
Set lower limit for
Ω
4
<n> = 0 to 2.1
Range limit for ACI and DCI
0 to 775
Range limit for ACV
0 to 1100
Range limit for DCV
0 to 1.05e9
Range limit for
Ω
2
0 to 2.1e6
Range limit for
Ω
4
DEFault
2.1 (ACI and DCI)
775 (ACV)
1100 (DCV)
1.05e9 (
Ω
2)
2.1e6 (
Ω
4)
MINimum
0 (All functions)
MAXimum
Same as DEFault
:ULIMit?
Query upper range limit
:ULIMit? DEFault
Query *RST default upper limit
:ULIMit? MINimum
Query lowest allowable upper limit
:ULIMit? MAXimum
Query largest allowable upper limit
:LLIMit?
Query lower range limit
:LLIMit? DEFault
Query *RST default lower limit
:LLIMit? MINimum
Query lowest allowable lower limit
:LLIMit? MAXimum
Query largest allowable lower limit
Automatic range changes slow down the reading rate. By setting upper and lower measurement
range limits, you can prevent inadvertent range changes to ranges that you are not going to use.
The upper range limit is selected by specifying the maximum expected reading that you expect
to measure. For example, if the maximum expected reading is approximately 100mA, let the
parameter (<n>) = 0.1 (or 100e-3). The lowest (most sensitive) range that can measure 100mA
is the 200mA range. Thus, the 200mA range is selected as the upper range limit. With this upper
limit, the instrument cannot uprange to the 2A measurement range.
The lower range limit is selected by specifying the lowest expected reading that you expect to
measure.
PRINT #1, "output 16; :curr:ac:rang:auto:ulim 1"
' Set upper limit for ACI
' Set lower limit and query
limits
PRINT #1, "output 16; :curr:ac:rang:auto:llim 10e-3; ulim?; llim?"
PRINT #1, "enter 16"
' Get response from 2002
Parameters
Query
Description
Program fragment
Summary of Contents for 2002
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