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Chapter 3 Front-Panel Operation
System-Related Operations
57
3
Firmware Revision Query
The power supply has three microprocessors for control of various internal
systems. You can query the power supply to determine which revision of
firmware is installed for each microprocessor.
• You can query the firmware revision from the remote interface only.
• The power supply returns four fields separated by commas and the fourth
field is a revision code which contains three numbers. The first number is
the firmware revision number for the main processor; the second is for the
input/output processor; and the third is for the front-panel processor.
• Remote interface operation:
*IDN? Returns
‘‘
HEWLETT-PACKARD,E3633A,0,X.X-X.X-X.X
’’
(E3633A)
‘‘
HEWLETT-PACKARD,E3634A,0,X.X-X.X-X.X
’’
(E3634A)
Be sure to dimension a string variable with at least 40 characters.
SCPI Language Version
The power supply complies with the rules and regulations of the present
version of SCPI (Standard Commands for Programmable Instruments). You
can determine the SCPI version with which the power supply is in compliance
by sending a command from the remote interface.
You can query the SCPI version from the remote interface only.
• Remote interface operation:
SYST:VERS? Query the SCPI version
Returns a string in the form “YYYY.V” where the “Y’s” represent the year of the
version, and the “V” represents a version number for that year (for example,
1996.0).