Technical data

6 IEEE-488.2 Common Commands
36 U2751A Programmer’s Reference Guide
*IDN?
Syntax
*IDN?
This command reads the instrument's identification string which contains
four comma-separated fields. The first field is the manufacturer's name,
the second is the model number of the instrument, the third is the serial
number, and the fourth is the firmware revision which contains three
firmwares separated by dashes.
Returned Query Format
<AARD>
The command returns a string with the following format.
KEYSIGHT TECHNOLOGIES,U2751A,<Serial Number>,Va.aa-b.bb-c.cc
NOTE
For more information on the system registers, refer to Chapter 2, “SCPI Status
Registers” on page 9.
a.aa = Mainframe revision number
b.bb = Matrix code revision number
c.cc = Boot code revision number