Common Commands
Common commands (summarized in Table 4-4) 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
IEEE-488.2 common commands and queries
Mnemonic Name Description
*CLS
*ESE <NRf>
*ESE?
*ESR?
*IDN?
*OPC
*OPC?
*OPT?
*RCL <NRf>
*RST
*SAV <NRf>
*SRE <NRf>
*SRE?
*STB
*TRG
*TST?
*WAI
Clear status
Event enable command
Event enable query
Event status register query
Identification query
Operation complete command
Operation complete query
Option identification query
Recall command
Reset command
Save command
Service request enable com-
mand
Service request enable query
Read status byte query
Trigger command
Self-test query
Wait-to-continue command
Clears all event registers and Error Queue.
Program the Standard Event Enable Register.
Read the Standard Event Enable Register.
Read the Standard Event Enable Register and
clear it.
Returns the manufacturer, model number,
serial number and firmware revision levels of
the unit.
Set the Operation Complete bit in the Stan-
dard 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 2000 to the setup configu-
ration stored in the specified memory loca-
tion.
Returned the Model 2000 to the *RST
default conditions.
Saves the current setup to the specified mem-
ory location.
Programs the Service Request Enable Regis-
ter.
Reads the Service Request Enable Register.
Reads the Status Byte Register.
Sends a bus trigger to the 2000.
Performs a checksum test on ROM and
returns the result.
Wait until all previous commands are exe-
cuted.
Remote Operation 4-39
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