Measuring Ampifier Type 2525
User Manual Vol.2
4–7
BE1394– 11
Chapter 4 – Syntax and Data Types
Types of Data
All headers and set-up field names are character data, as are many of the field
settings. In the syntax diagrams, character data is represented by “Char.”. When
character data must be included, the data is written out in full in the syntax diagrams
with the mnemonic codes marked as bold upper-case characters.
4.2.2 Numeric Data
Numeric data that is entered through the interface closely follows the format defined
in the ANSI/IEEE 488.1 - 1987 Standard, “IEEE Standard Codes, Formats, Protocols
and Common Commands” and the ISO 6093 – 1985 Standard, “Representation of
numerical values in character strings for information interchange”.
The types of numeric data are represented in the syntax diagrams by NR1, NR2 and
NR3, conforming to the above mentioned standards. The data is checked for illegal
numbers not conforming to the above standards. The amplifier usually accepts the
full NR3 (explicit point scaled representation, see Fig.4.5), except where syntax
diagrams state that NR1 or NR2 is required. The syntax for numerical entry, NR1,
and NR3, is shown in Figs. 4.4 and 4.6 respectively.
A digit is any of the 10 number symbols, 0 through 9.
Fig.4.4 Syntax for numerical data of type NR1
Fig.4.5 Syntax for numerical data of type NR3
931104e
+
Digit
-
931106e
Digit
Suffix
(input only)
Digit
Digit
Digit
E
E-Digit
NR1 (1-3)
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