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3
Instrument Setup and Status
command:
syntax:
description:
parameters:
response:
example:
command:
syntax:
description:
parameters:
response:
example:
50
*IDN?
*IDN?
The IDeNtification query *IDN? gets the instrument identification over the interface.
none
The identification terminated by <END>:
For example.
MMMMMMMM
mmmm
ssssssss
rrrrrrrrrr
*IDN? -> Keysight Technologies,8164B,DE42100168,V5.25(72634)<END>
Depending on the date of production, the manufacturer will be reported as Keysight Technologies, Agilent Technologies
or HEWLETT-PACKARD.
:SLOT[n]:IDN?
See
on page 81 for information on module identity strings and
for information on optical head identity strings.
*OPC
*OPC
The instrument parses and executes all program message units in the input queue and sets the operation complete bit in
the standard event status register (SESR). This command can be used to avoid filling the input queue before the previous
commands have finished executing.
Some module firmware includes commands that set a "StatNOPC" flag during execution to indicate that the module is
busy. *OPC blocks the GPIB bus to all commands until every module hosted by the instrument is no longer busy.
The following actions cancel the *OPC command (and put the instrument into Operation Complete, Command Idle State):
Power-on
the Device Clear Active State is asserted on the interface.
*CLS
*RST
none
none
*OPC
manufacturer, for example Keysight Technologies
instrument model number (for example 8164B)
serial number
firmware revision level
:SLOT[n]:HEAD[n]:IDN?
8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
on page 82
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