Product Manual

Remote Commands
Introduction 6
6-3
Introduction
Remote commands duplicate actions that can be started from the front panel in local
operation mode. After the summary table is a complete alphabetical list of all commands
complete with protocol information. Headings in the alphabetical list give the parameters
and responses, plus an example for each command. For information on how to use the
commands, see Chapter 5.
Command Summary by Function
See the subsequent tables for command summary function information.
Table 6-1. Common Commands
Command Description
*CLS
Clear status. Clears the ESR, the error queue, and the RQS bit in the status
byte. This command stops all pending operation complete commands, *OPC o
r
*OPC?.
*ESE Puts a byte into the Event Status Enable register.
*ESE? Shows the contents of the Event Status Enable register.
*ESR? Shows the contents of the Event Status register and clears the register.
*IDN?
Identification query. Shows the manufacturer, model number, serial number,
and firmware revision level of the Calibrator.
*OPC
Sets bit 0 (OPC for Operation Complete) in the Event Status Register to 1
when all pending device operations are complete.
*OPC?
Shows a 1 after all subsequent operations are complete. This command
causes program execution to pause until all operations are complete. See also
the *WAI command.
*OPT? Shows a list of the installed hardware and software options.
*RST
Resets the condition of the instrument to the power-up condition. This
command holds off execution of subsequent commands until it is complete.
*SRE Puts a byte into the Service Request Enable register (SRE).
*SRE? Shows the byte from the Service Request Enable register.
*STB? Shows the status byte.
*TST?
Does a series of self-tests and shows a "0" for pass or a "1" for fail. If faults are
found, they are put into the fault queue where they can be read by the FAULT?
query.
*WAI
Stops subsequent remote commands from execution until all remote
commands from before are complete.