DISPlay, FORMat, and SYSTem 11-7
For reverse byte order, the data format for each element is sent as follows:
Byte 4 Byte 3Byte 2Byte 1 (Single precision)
Byte 8 Byte 7• • • Byte 1 (Double precision)
The "#,0" header is not affected by this command. The header is always sent at the beginning
of the
data string for each measurement conversion.
The ASCII data format can only be sent in the normal byte order. The SWAPped selection is
ignored when the ASCII
format is selected.
:SYSTem subsystem
The SYSTem subsystem contains miscellaneous commands (summarized in Table 11-3).
Table 11-3
SCPI commands — system
Command Description Default Ref
SYSTem
:LFRequency?
:POSetup <name>
:VERSion?
:ERRor
:CLEar
:MEP
[:STATe] <b>
:AZERo
:STATe <b>
:TRIGger
:TALK
:BOTH <b>
:CONTinuous <b>
Read power line frequency.
Select power-on setup: RST or SAVx where:
x = 0 to 4 (2306, 2302);
x = 0 to 2 (2306-PJ, 2306-VS, 2302-PJ)
Query SCPI revision level.
Read and clear oldest message in error queue:
Clear messages from error queue.
Path to control GPIB protocol.
Select 488.1 (OFF) or SCPI (ON) protocol.
Path to control auto zero.
Enable (ON) or disable (OFF) auto zero.
Path to system trigger commands.
Path to talk commands.
Enable/disable 2-reading trigger on talk.
Enable/disable trigger continuous mode.
(see Note)
ON
ON
OFF
OFF
Sec 1*
Sec 8
Sec 8
App. G
App. G
App. G
* See “Line power connection” under “Power-up” in Section 1 for details.
Note:Clearing the error queue — Powe
r-up and *CLS clears the error queue. *RST and STATus:PRESet have no effect on the error
queue.
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