Keithley 6482 - Command Summary; Command Reference; IDN? - Identification Query; OPC - Operation Complete

14-2 Return to Section Topics 6482-901-01 Rev. A / August 2012
Section 14: Common Commands Model 6482 Dual-Channel Picoammeter / Voltage Source Reference Manual
Command summary
Common commands (summarized in Table 14-1) are device commands that are common to all
devices on the bus. These commands are designated and defined by the IEEE Std 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 13: *CLS, *ESE, *ESE?, *ESR?, *SRE, *SRE?, and *STB?.
Command reference
*IDN? — Identification query
This command reads the identification code. The identification code includes the manufacturer, model
number, serial number, and firmware revision levels and is sent in the following format:
KEITHLEY INSTRUMENTS INC., Model 6482, xxxxxxx, yyyyy/zzzzz /a/d
Where: xxxxxxx = the serial number.
yyyyy/zzzzz =s the firmware revision levels of the digital board ROM and display board
ROM, including date and time of build.
a = the analog board revision level.
d = the digital board revision level.
*OPC — Operation complete
This command sets the OPC bit.
Table 14-1
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 query
Recall command
Reset command
Save command
Service request enable command
Service request enable query
Status byte query
Trigger command
Self-test query
Wait-to-continue command
Clears all event registers and the 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 instrument.
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.
Queries the Model 6482 for a list of installed options.
Returns the Model 6482 to the user-saved setup.
Returns the Model 6482 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 6482.
Performs a checksum test on ROM and returns the result.
Waits until all previous commands are executed.