Model 6517B Electrometer Reference Manual Appendix D: IEEE-488 bus overview
6517B-901-01 Rev. C / August 2015 D-9
SCPI commands
SCPI commands are commands that are particular to each device on the bus. These commands are
designated by the instrument manufacturer, and are based on the instrument model defined by the
Standard Commands for Programmable Instruments (SCPI) Consortium’s SCPI standard.
Generally, these commands are sent as one or more ASCII characters that tell the device to perform
a particular operation, such as setting a range or closing a relay. The IEEE-488 bus treats these
commands as data because ATN is false when the commands are transmitted.
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