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Functional Command Groups
3–12
VX4380 256-Crosspoint Relay Matrix Module User Manual
Table 3–1: Summary of VX4380-Specific SCPI Commands
Subsystem Command Functions Controlled
ABORt Place initiated scan in the idle state
CLOSe Close specified relays; DWELl
CONFigure Configuration: DISJoin, JOIN
ID? Return model numbers of modules controlled by the Option 01
INITiate Place trigger subsystem in armed state: IMMediate,
CONTinuous
MODule Module name functions: DEFine, CATalog?, DELete
OPEN Open specified relays: ALL, DWELl
OUTPut Enable or disable selected VXI TTL trigger
PFAil Specify state of latching relays on powerfail
SCAN Define a list of relay closures to scan through
STATus Status register functions: OPERation, QUESstionable
SYSTem System-level functions: ERRor?, PRESet, VERSion?
TRIGger Scan list functions: COUNt, DELay, IMMediate, SOURce
Table 3–2: Summary of IEEE-488.2 Common Commands
Command/Syntax Description
Clear Status
*CLS
Clears the SCPI and IEEE 488.2 event registers and
the SCPI error/event queue, and the output queue.
Standard Event Status Enable
*ESE <NRf>
Sets the contents of the Standard Event Status Enable
register.
Standard Event Status Enable Query
*ESE?
Returns the current value of the Standard Event
Status Enable register in <nr1> format.
Standard Event Status Register Query
*ESR?
Returns the current value of the Standard Event
Status register in <nr1> format, then set the contents
of this register to 0.
Identification Query
*IDN?
Returns an ASCII string in the output queue which
identifies the board.
Operation Complete
*OPC
Sets bit 0 (the Operation Complete bit) of the
Standard Event Status register when all pending
device operations have been completed.
Operation Complete Query
*OPC?
Places the ASCII character 1 in the output queue
when all pending device operations have been
completed.
Reset*
*RST
The Option 01 VXI interface is placed in its power-up
state with some exceptions.