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Introduction
The common commands are defined by the IEEE 488.2 standard.
These commands must be supported by all instruments that comply
with this standard. Refer to figure 8-1 and table 8-1 for the common
commands syntax diagram and parameter values.
The common commands control some of the basic instrument
functions such as instrument identification and reset, how status is
read and cleared, and how commands and queries are received and
processed by the instrument. The common commands are:
•
*CLS
•
*PRE
•
*ESE
•
*RST
•
*ESR
•
*SRE
•
*IDN
•
*STB
•
*IST
•
*TRG
•
*OPC
•
*TST
•
*OPT
•
*WAI
Common commands can be received and processed by the
Agilent 1670G-series logic analyzers, whether they are sent over the
bus as separate program messages or within other program messages.
If an instrument subsystem has been selected and a common
command is received by the instrument, the logic analyzer will remain
in the selected subsystem.
Example If the program message in this example is received by the logic
analyzer, it will initialize the disk and store the file and clear the status
information. This is not be the case if some other type of command is
received within the program message.
":MMEMORY:INITIALIZE;*CLS; STORE ’FILE ’,’DESCRIPTION’"
8–2