SAMPle Subsystem
The SAMPle commands are used with the TRIGger commands to set up the triggering parameters. Use the
SAMPle commands to set a sample count, sample source, and delay time for triggered sampling.
It is recommended that all triggered measurements be made using an appropriate fixed
manual range. That is, turn autorange off (
SENSe:<function>:RANGe:AUTO OFF
), or set
a fixed range using the
,
, or
command.
Command Summary
SAMPle:COUNt {<
count
>|MIN|MAX|DEF}
SAMPle:COUNt? [{MIN|MAX|DEF}]
Specifies the number of measurements (samples) the instrument takes per trigger.
Parameter
Typical
Return
1 to 1,000,000 (1x10
6
). Default: 1. (34460A/61A)
1 to 1,000,000,000 (1x10
9
). Default: 1. (34465A/70A)
+1
Return ten sets of four resistance measurements, using an external trigger to
start each measurement set:
CONF:RES 1E6
SAMP:COUN 4
TRIG:COUN 10
TRIG:SOUR EXT;SLOP NEG
READ?
Typical Response: +1.0006, … (40 measurements)
l
The front panel sample annunciator ( "
*
" ) turns on during each measurement at slower rates. The
annunciator toggles at a fixed rate for fast measurements.
l
You can use the specified sample count in conjunction with a trigger count (
), which
sets the number of triggers to be accepted before returning to the "idle" trigger state. The total num-
ber of measurements returned are the product of the sample count and trigger count.
l
You can store up to 1,000 measurements in the reading memory of the 34460A, 10,000 meas-
urements on the 34461A, 50,000 measurements on the 34465A/70A (
without
the MEM option), or
2,000,000 measurements on the 34465A/70A (
with
the MEM option). If reading memory overflows,
new measurements overwrite the oldest measurements stored; the most recent measurements are
always preserved. No error is generated, but the Reading Mem Ovfl bit (bit 14) is set in the Ques-
tionable Data Register's condition register (see
).
SCPI Programming Reference
306
Keysight True
volt
Series Operating and Service Guide
