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Model 2750 Multimeter/Switch System User’s Manual
Buffer
6-9
NOTE
Optional command words and most queries are not included in
unabridged tables for all SCPI commands are provided in
.
Table 6-1
Buffer commands
Command
Description
Default
1
Ref
SYSTem:TIME <hr, min, sec>
Set clock time in 24-hour format.
a
SYSTem:DATE <yr, mo, day>
Set clock date; yr specified as 20xx.
b
SYSTem:TSTamp:TYPE
<name>
Select timestamp; <name> = RELative or RTCLock. REL
c
SYSTem:TSTamp:TYPE?
Query timestamp type that will be used for the next
buffer storage.
c
TRACe:TSTamp:TYPE?
Query timestamp type for readings presently in buffer.
c
TRACe:CLEar
Clear the buffer immediately.
d
TRACe:CLEar:AUTO <b>
Enable/disable buffer auto-clear; <b> = ON or OFF. ON
d
TRACe:FREE?
Query bytes available and bytes in use.
e
TRACe:POINts <NRf>
Specify size of buffer; <NRf> = 2 to 110000.
100
f
TRACe:TSTamp:FORMat
<name>
Select timestamp format; <name> = ABSolute or
DELTa.
ABS
g
TRACe:FEED <name>
Select source of readings; <name> = SENSe[1],
CALCulate[1], or NONE.
CALC
h
TRACe:FEED:CONTrol
<name>
Set buffer control; <name> = NEVer, NEXT, or
ALWays.
NEV
h
TRACe:DATA?
Read all readings in the buffer.
i
TRACe:DATA:SELected?
<start>, <count>
Specify readings to be returned; <start> = starting
point, <count> = number of readings.
j
TRACe:NEXT?
Query buffer location for next stored reading.
j
TRACe:NOTify <NRf>
Specify number of stored readings that will set Trace
Notify bit (B6) of measurement event register;
<NRf> = 2 to 109999 (must be less than
TRACe:POINts value).
k
FORMat:ELEMents <item list>
Specify elements for TRACe:DATA? response
message; <item list> = READing, CHANnel,
UNITs, RNUMber, and TSTamp.
(Note 2)
l
CALCulate2:FORMat <name>
Select buffer statistic; <name> = MINimum,
MAXimum, MEAN, SDEViation, PKPK, or
NONE.
NONE
m
CALCulate2:STATe <b>
Enable/disable statistic calculation; <b> = ON or OFF. OFF
m
CALCulate2:IMMediate
Calculate data in buffer.
m
CALCulate2:IMMediate?
Calculate data and read result.
m
CALCulate2:DATA?
Read the selected buffer statistic.
m
Notes:
1.SYSTem:PRESet and *RST have no effect on TRACe commands. The listed defaults for TRACe commands are set at the factory.
2.The SYSTem:PRESet and *RST default is READ, UNIT, RNUM, and TST.
2750-900-01.book Page 9 Wednesday, August 3, 2011 7:56 AM
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Страница 332: ...13 SCPISignalOriented MeasurementCommands 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
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Страница 374: ...B Model7700ConnectionGuide 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
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Страница 394: ...D SignalProcessing SequenceandDataFlow 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Страница 408: ...E MeasurementConsiderations 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...
Страница 428: ...G IEEE 488BusOverview 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...