Common Commands - Keithley 2001 Operator's Manual

4.10

Common commands

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IEEE-488.2 common commands and queries
Mnemonic Name
*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 identification query
*RCL <NRf> Recall command
*RST Reset command
*SAV <NRf> Save command
*SRE <NRf> Service request enable command
*SRE? Service request enable query
*STB? Read status byte query
*TRG Trigger command
*TST? Self-test query
*WAI Wait-to-continue command
2001-900-01 Rev. K / August 2010
Common commands are device commands that are common to all devices on the bus. These
commands are designated and defined by the IEEE-488.2 standard.
Table 4-4 summarizes the common commands used by the Model 2001. Commands are present-
ed in alphabetical order. The following detailed descriptions include programming examples us-
ing HP BASIC 4.0.
Description
Clears all event registers, and Error Queue.
Sets the contents of the Standard Event Enable Register.
Request the programmed value of the Standard Event Enable Register.
Request the programmed value of the Standard Event Status Register and
clears it.
Request the manufacturer, model number, serial number, and firmware
revision levels of the unit.
Sets the Operation Complete bit in the Standard Event Status 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.
Returns an ID code that indicates which memory option is installed and
whether or not the optional scanner card is installed.
Returns the Model 2001 to the setup configuration stored in the desig-
nated memory location.
Returns the Model 2001 to the *RST default conditions.
Saves the current setup configuration to the designated memory location.
Sets the contents of the Service Request Enable Register.
The Model 2001 returns the value of the Service Request Enable Register.
Returns the value of the Status Byte Register.
This command issues a bus trigger which has the same effect as group
execute trigger (GET) command.
When this query is sent, the Model 2001 will perform a checksum test on
ROM and return the results.
Wait until all previous commands are executed.
IEEE-488 Reference
4-37