Standard Commands for Programmable Instruments: Difference between revisions

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SCPI commands are [[ASCII]] textual strings, which are sent to the instrument over the physical layer, such as GPIB.
 
Two examples: With the command ''SYSTem:COMMunicate:SERial:BAUD 2400'' the [[Baud | baudrate]] of an [[RS232]] interface can be set to 2400 bit/s. With the command ''SYSTem:COMMunicate:SERial:BAUD?'' the current baudrate of an RS232 interface can be queried. Commands can be abbreviated to their upper case parts, for instance ''SYST:COMM:SER:BAUD?''.
 
Some instrument manufacturers, notably [[Agilent]] and [[Tektronix]], have implemented SCPI on many new general purpose instruments.