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14-2
Common Commands
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-488.2 standard.
A) IDN? — identification query
Reads identification code
The identification code includes the manufacturer, model number, serial number, and firm-
ware revision levels and is sent in the following format:
KEITHLEY INSTRUMENTS INC., MODEL 6514, xxxxxxx, yyyyy/zzzzz/w
Where:
xxxxxxx is the serial number.
yyyyy/zzzzz is the firmware revision levels of the digital board ROM and display
board ROM. Note that yyyyy also provides build date and time information.
w is the board revision level.
Table 14-1
IEEE-488.2 common commands and queries
Mnemonic
Name
Description
Ref
*CLS
Clear status
Clears all event registers and error queue.
Sec 13
*ESE <NRf>
Event enable command
Program the standard event enable register.
Sec 13
*ESE?
Event enable query
Read the standard event enable register.
Sec 13
*ESR?
Event status register query
Read the standard event enable register and clear it.
Sec 13
*IDN?
Identification query
Returns the manufacturer, model number, serial
number, and firmware revision levels of the unit.
A
*OPC
Operation complete command
Set the operation complete bit in the standard event
register after all pending commands have been
executed.
B
*OPC?
Operation complete query
Places an ASCII “1” into the output queue when all
pending selected device operations have been
completed.
B
*OPT?
Option query
The value 5156 is returned if the Model 5156
calibration source is connected to the Model 6514.
The value 0 is returned if the Model 5156 is not
connected.
*RCL <NRf>
Recall command
Returns Model 6514 to the user-saved setup.
C
*RST
Reset command
Returns Model 6514 to the *RST default
conditions.
D
*SAV <NRf>
Save command
Saves the present setup as the user-saved setup.
C
*SRE <NRf>
Service request enable command Programs the service request enable register.
Sec 13
*SRE?
Service request enable query
Reads the service request enable register.
Sec 13
*STB?
Status byte query
Reads the status byte register.
Sec 13
*TRG
Trigger command
Sends a bus trigger to Model 6514.
E
*TST?
Self-test query
Performs a checksum test on ROM and returns the
result.
F
*WAI
Wait-to-continue command
Wait until all previous commands are executed.
G
Summary of Contents for 6514
Page 203: ...14 CommonCommands...
Page 207: ...15 SCPISignalOriented MeasurementCommands...
Page 235: ...18 PerformanceVerification...
Page 254: ...19 Calibration...
Page 274: ...20 RoutineMaintenance...
Page 278: ...A Specifications...
Page 282: ...B StatusandErrorMessages...
Page 288: ...C GeneralMeasurement Considerations...
Page 294: ...D DDCEmulationCommands...
Page 299: ...E ExamplePrograms...
Page 306: ...F IEEE 488BusOverview...
Page 320: ...G IEEE 488andSCPI ConformanceInformation...
Page 324: ...H CalibrationOptions...