D - 2 STANDARDS INFORMATION
D.2 List of Implemented IEEE-488.2 Syntactical
Elements
The following list of elements is used in the common and SCPI commands:
<PROGRAM MESSAGE>
Represents a sequence of zero or more
<PROGRAM MESSAGE UNIT>
elements, separated by <PROGRAM MESSAGE UNIT SEPARATOR>
ELEMENTS.
<PROGRAM MESSAGE UNIT>
Represents a single command, programming data, or a single query received
by a device.
<COMMAND MESSAGE UNIT>
Represents a single command or programming data received by a device.
<QUERY MESSAGE UNIT>
Represents a single query sent form the controller to a device.
<PROGRAM DATA>
A program data element is also referred to as a parameter. It represents any of
the following data types:
<CHARACTER PROGRAM DATA>
A data type suitable for sending short mnemonic data, generally where a
numeric data type is not suitable. Refer to <character_data> of section
4.1.2 "Data types".
<DECIMAL NUMERIC PROGRAM DATA>
A data type suitable for sending decimal integers or fractions with or without
exponents. Refer to <numeric_data> of section 4.1.2 "Data types".
<NON-DECIMAL NUMERIC PROGRAM DATA>
A data type suitable for sending integer numeric representations in base 16
(hexadecimal), 8 (octal), or 2 (binary). Refer to <numeric_data> of section
4.1.2 "Data types".
<STRING PROGRAM DATA>
A data type suitable for sending 7-bit ASCII character strings. Refer to
<string_data> of section 4.1.2 "Data types".
<ARBITRARY BLOCK PROGRAM DATA>
A data type suitable for sending blocks of arbitrary 8-bit data bytes. Refer
to <block_data> of section 4.1.2 "Data types".
<EXPRESSION PROGRAM DATA>
Represents an expression between parentheses.
Example: (CH1-CH2).
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