Measuring Ampifier Type 2525
User Manual Vol.2
Brüel & Kjær
4–6
Chapter 4 – Syntax and Data Types
Types of Data
4.2 Types of Data
A message can contain one or more data fields, or none. The type of allowed data
varies for each message, but the available types are:
● character data
● numeric data (decimal and integer)
● string data
The data separator used between all data fields is a comma (,). Fig. 4.2 shows the
general syntax of a message containing all legal data types.
4.2.1 Character Data
Character data must begin with an alphabetic character, either upper or lower case.
This initial alphabetic character can be followed by any printable ASCII character,
with the exception of a space (SP
), a comma (,), a semi-colon (;), a colon (:), or the
delete character (DEL
). The valid ASCII characters are 33 through 126 (Decimal),
with the exception of 44 (Decimal), and 59 (Decimal). Fig.4.3 shows the valid form
of entry for character data.
Fig.4.2 General format for a message with all legal data types
Fig.4.3 General syntax for character data fields
941499e
Te
SP
Only for instrument output
—
Character
Data
Numeric (Decimal)
Data
Header
String
Data
931103e
Alpha
Any Printing
ASCII Char.
Except
SP , ; DEL
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