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Tektronix 070-9180-01 User Manual

Page 37

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Syntax and Commands

3–12

Option 01 VXI Interface Module User Manual

Table 3–1: Summary of Option 01-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

MODE

VX4330 only; set mode to scan or mux

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

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 format.

Standard Event Status Register Query
*ESR?

Returns the current value of the Standard Event
Status register in 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.

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