Command Summary - Keithley 2500 User Manual

15-2 Common Commands

Command summary

Common commands (summarized in
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
Table 15-1
IEEE-488.2 common commands and queries
Mnemonic
*CLS Clear status
*ESE <NRf> Event enable command
*ESE? Event enable query
*ESR? Event status register query
*IDN? Identification query
*OPC Operation complete command
*OPC? Operation complete query
*OPT? Option query
*RCL <NRf> Recall command
*RST Reset command
*SAV <NRf> Save command
*SRE <NRf> Service request enable command
*SRE? Service request enable query
*STB? Status byte query
*TRG Trigger command
*TST? Self-test query
*WAI Wait-to-continue command
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Status commands are covered in
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The following common commands associated with the status structure are cov-
ered in Section 14: *CLS, *ESE, *ESE?, *ESR?, *SRE, *SRE?, and *STB?.
Name
Section 14.
Models 2500 and 2502 User's Manual
Table 15-1) are device commands that are common
Description
Clears all event registers and error queue.
Program the standard event enable register.
Read the standard event enable register.
Read and clear the standard event enable register.
Returns the manufacturer, model number, serial
number, and firmware revision levels of the unit.
Set the operation complete bit in the standard event
register after all pending commands have been
executed.
Places an ASCII "1" into the output queue when all
pending selected device operations have been
completed.
Query Model 2500 for list of installed options.
Returns the Model 2500 to the user-saved setup.
Returns the Model 2500 to the *RST default
conditions.
Saves the present setup as the user-saved setup.
Programs the service request enable register.
Reads the service request enable register.
Reads the status byte register.
Sends a bus trigger to the Model 2500.
Performs a checksum test on ROM and returns the
result.
Wait until all previous commands are executed.
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