User manual

16-2 Common Commands 2400 Series SourceMeter
®
User’s Manual
Command summary
Common commands (summarized in Table 16-1) are device commands that are
common to all devices on the bus. These commands are designated and defined
by the IEEE-488.2 standard. Most of these commands are described in detail in
this section.
NOTE The following common commands associated with the status structure
are covered in
Section 15: *CLS, *ESE, *ESE?, *ESR?, *SRE, *SRE?,
and *STB?.
Table 16-1
IEEE-488.2 common commands and queries
Mnemonic Name Description
*CLS Clear status Clears all event registers and Error Queue.
1
*ESE <NRf> Event enable command Program the Standard Event Enable Register.
1
*ESE? Event enable query Read the Standard Event Enable Register.
1
*ESR? Event status register query Read and clear the Standard Event Enable Register.
1
*IDN? Identification query Returns the manufacturer, model number, serial
number, and firmware revision levels of the unit.
*OPC Operation complete command Set the Operation Complete bit in the Standard
Event Register after all pending commands have
been executed.
*OPC? Operation complete query Places an ASCII “1” into the Output Queue when all pend-
ing selected device operations have been completed.
*OPT? Options Query Queries installed options. Response message indi-
cates the prescence or absence of options. For exam-
ple, if response message reads “0”, then no options are
present. If the response message reads CONTACT
CHECK, then a Contact-Check option is present.
*RCL <NRf> Recall command Returns the SourceMeter to the user-saved setup.
*RST Reset command Returns the SourceMeter to the *RST default
conditions.
*SAV <NRf> Save command Saves the present setup as the user-saved setup.
*SRE <NRf> Service request enable command Programs the Service Request Enable Register.
1
*SRE? Service request enable query Reads the Service Request Enable Register.
1
*STB? Status byte query Reads the Status Byte Register.
1
*TRG Trigger command Sends a bus trigger to the SourceMeter.
*TST? Self-test query Performs a checksum test on ROM and returns the result.
*WAI Wait-to-continue command Wait until all previous commands are executed.
1
Status commands are covered in Section 15.