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Model 2750 Multimeter/Switch System User’s Manual
Common Commands
12-7
The Model 2750 has three overlapped commands:
•
:
INITiate
•
:INITiate:CONTinuous ON
•
*TRG
NOTE
See *OPC, *OPC?, and *TRG for more information.
The INITiate commands remove the Model 2750 from the idle state. The device opera-
tions of :INITiate are not considered complete until the Model 2750 returns to idle. By
sending the *WAI command after the INITiate command, all subsequent commands will
not execute until the Model 2750 goes back into idle.
The *TRG command issues a bus trigger that could be used to provide the arm, scan, and
measure events for the Trigger Model. By sending the *WAI command after the *TRG
command, subsequent commands will not executed until the pointer for the Trigger Model
has finished moving in response to *TRG and has settled at its next state.
Programming example – The following command sequence shows how to use the WAI
command to allow the 2750 to wait for the programmed measurements to be completed
before requesting a reading.
SYST:PRES
‘ Returns 2750 to default setup.
INIT:CONT OFF
‘ Disables continuous initiation.
ABORt
‘ Aborts operation. Places 2750 in idle.
TRIG:COUN 1
‘ These two commands configure the 2750
SAMP:COUN 30
‘ to perform 30 measurements.
INIT
‘ Starts measurement process.
*WAI
‘ Sends the WAI command. Program waits for
‘ 2750 to go into idle before executing next
‘ command.
DATA?
‘ Requests one reading.
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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 428: ...G IEEE 488BusOverview 2750 900 01 book Page 1 Wednesday August 3 2011 7 56 AM...