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Standard Commands for Programmable Instruments (SCPI)
84
2
ANSI/IEEE Std 488.2-1987. IEEE Standard Codes, Formats, Protocols, and Common Commands. Recommended
as a reference if you will do fairly sophisticated programming. Helpful for finding the precise definitions of certain
types of SCPI message formats, data types, or common commands.
1
To obtain a copy, contact your local Agilent Sales Office.
2
Available from IEEE (Institute of Electrical and Electronics Engineers), 345 East 47th Street, New York, NY 10017, USA.
INTRODUCTION
The Agilent 603xA power supplies can now be programmed using either the original language commands (i.e. VSET, ISET,
etc.) as documented in Section III of this manual, or the Standard Commands for Programming Instruments (SCPI) as
documented in this appendix.
Local operation, analog remote programming, and all original language commands remain exactly the same except for the
following:
•
When using SCPI commands, the GP-IB parallel poll interface function (PP) is not implemented by the Agilent 603xA
power supplies.
•
When using the SCPI commands, the Foldback key on the front panel of the Agilent 603xA power supplies will toggle
overcurrent protection on and off. Refer to CURR:PROT:STAT in the "Language Dictionary" for more details.
Note that all existing software written in the original language commands will still execute correctly with the new 603xA
power supplies.
LANGUAGE SWITCHING
Both the original language commands (COMP for compatibility) and SCPI/TMSL commands are contained in ROM.
Individually, either may be used to program the power supply. Two commands have been added to both languages to let you
switch from one language to the other, and also query the power supply to determine the active language.
SYSTem:LANGuage < TMSL/COMP >
SYSTem:LANGuage?
For Agilent 603xA power supplies, the original language commands (ARPS) are described in Section III of this manual. For
information about the SYST:LANG command as well as the other SCPI commands, refer to the "Language Dictionary’’ in
this appendix.
When shipped from the factory, Agilent 603xA supplies are set to operate using the original ARPS language commands
(COMP for compatibility).
STAND-ALONE CONNECTIONS
See Figure C-la. Each stand-alone power supply has its own primary GP-IB bus address. Stand-alone power supplies may be
connected to the bus in series configuration, star configuration, or a combination of the two. You may connect from 1 to 15
stand-alone power supplies to a GP-IB interface.