Keysight 53210A Mode D'emploi page 197

FETCh?
specified by
readings from reading memory to the output buffer. Since read ing memory is not
erased by this action, readings can be "fetched" from memory multiple times. If
there are no readings available or measurements in progress when a "fetch" is
performed, err -230, "Data corrupt or stale" is generated.
If the data format is REAL (
FETCh?
When sending multiple commands in a single command string,
always be the last command in the string.
FETCh? Example
// frequency meas of 500 kHz signal with uHz resolution
CONF:FREQ 500E3, 1E-6, (@1)
INIT:IMM
FETC?
R? [<max_count>]
up to the specified
those readings (beginning with the oldest) in reading memory.
Unlike
is reached (
are no readings available or measurements in progress when "
"Data corrupt or stale" is generated.
Readings are transferred in Definite-Length Block format
ASCII or REAL (binary) format (
transferred first (first in - first out).
Keysight 53210A User's Guide
- is used following
TRIGger:COUNt
is preceded by an IEEE 488.2 Indefinite-Length Block header
TRIG:COUN 1
SAMP:COUN 10
max_count
, can be used to transfer readings before the total reading count
FETCh? R?
TRIGger:COUNt
INITiate:IMMediate
and
SAMPle:COUNt
subsystem), each block of readings fetched by
FORMat
// configure counter
// set trigger count
// take 10 readings
// initiate counter to start rdgs
// fetch rdgs from memory when complete
- is used following
INITiate:IMMediate.
number of readings to the output buffer and erases
x to prevent a memory overflow. If there
SAMPle:COUNt)
subsystem). The 'oldest' reading is
FORMat
Formats and Data Flow
. After all measurements
are complete
, FETCh?
FETCh?
Transfers all, or
" is sent, err -230,
R?
(Table 7-1), whether in
7
transfers the
(Table 7-1).
should
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