10 Conventions
Angle brackets < > Indicate that words or characters enclosed in angular brackets
symbolize a program code parameter.
Brackets { } Brackets indicate one of the several parameters may be entered.
For example { 1|0|ON|OFF}.
Square brackets [ ] All items between square brackets are optional.
Boldface Boldface and computer font is used to show command syntax in the text.
Controller A computer used to communicate with an instrument.
Instrument A device that implements SCPI (PSC-488).
10.1 Frequently used ASCII symbols
Symbols DEC HEX Codes Display Description
EOT 4 04 \04 end of transmission
LF 10 0A \n line feed (command terminator)
CR 13 0D \r carriage return
ESC 27 1B \1B escape
WSP 32 20 \s space
10.2 Summary of Data types
Example NDEC Decimal
Digit character 0....9 8
Hexadecimal character 0..9 & A....F #hFA 250
Binary character 0 or 1 #b0101 5
String character 0....9 and A....Z
NDEC = Non-decimal HEX, OCT, BIN (Hexadecimal, Octal, Binary)
10.3 Booleans
A Boolean parameter is normally used to specify a binary condition which is either True or False.
Booleans can have one of the following values:
ON or 1 means condition is True.
OFF or 0 means condition is False.
Example: OUTputA ON or OUTputA 1.
10.4 Numerical data formats.
Symbol Meaning example
<NR1> Signed integer value 1234
<NR2> Floating point value without an exponent 12.345
page 9 MANUAL May 2008
DELTA ELEKTRONIKA BV PSC SERIES
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