Remote Operation
Supported SCPI Commands 5
5-7
1. When a command has more than one parameter, the parameters must be
separated by commas.
2. When more than one command is contained in one line to the Calibrator, each
command must be separated by a semicolon. For example: SAF:LR
100.5;:OUTP ON
.
3. Numeric parameters may have up to 255 significant figures, and their exponents
may range from -32000 to +32000. The useful range for Calibrator programming
is ± 2.2 E-308 to ± 1.8 E308.
4. Including too many parameters causes a command error.
5. Null parameters cause a command error (e.g., the adjacent commas in .CLOCK
133700, , 071787.).
6. Expressions, for example (4+2*13), are not allowed as parameters.
Terminators
To signify the end of a response sent to the controller, the Calibrator sends a
“terminator”. For response message terminators, the Calibrator sends the ASCII
character Line Feed with the EOI control line held high. The following characters are
recognized by the calibrator as terminators when encountered in incoming data:
• ASCII LF and CR characters
• Any ASCII character sent with the EOI control line true
Numeric Output Format
When the Calibrator is queried and a value is returned, the Calibrator formats the
numerical value in standard exponential format. For example, 40 mA is output as
4.000000e-002.
Supported SCPI Commands
This section explains the SCPI (Standard Commands for Programmable Instruments)
commands available to program the Calibrator. This section includes the following
information:
• A list of the supported SCPI commands
• A discussion of how to use the command set
• A detailed description of each command in the set
Note
The following conventions are used for SCPI command syntax. Square
brackets ( [ ] ) indicate optional keywords or parameters. Braces ( { } )
enclose parameters within a command string. Triangle brackets ( < > )
indicate that you must substitute a value for the enclosed parameter.
Capital letters indicate the abbreviated form of a command and are
required while lowercase letters are optional.
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