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2-52.
NUMERIC DATA SYNTAX
There
are
four types of
numeric
data:
Boolean, unsigned
integer,
floating point,
and
trigger
string.
The
following
paragraphs
describes
each
of the four
numeric data
formats.
A
syntax
diagram
is
included
for
each format.
1.
Boolean
Boolean numeric
data
must
be
either
a
"0"
or a
'T
All
other characters
will
result in a
syntax
error.
7
"
2.
Unsigned
Integer
Unsigned
integers
may
be
specified
in
decimal
or
in
hexadecimal.
Any
number
of
decimal
digits
are
accepted.
However,
values greater
than 65,535
are
rejected.
Hexadecimal numbers
are
preceded by an "X".
Only
four
hexadecimal
digits
are
accepted. Specifying a
number
in
hexadecimal
for
the
read
word and
read byte
commands
causes
the
response
to
be
sent
in
hexadecimal.
Decimal
digits
may
be
the
numerals
0
through
9.
Hexadecimal
digits
may
be
the
hexadecimal
digits
0
through
F.
3.
Floating Point
The
floating-point
numeric data format
is
the
most
flexible
format.
Digits
may
be
the
numerals
0
through
9.
Any
number
of
digits
is
accepted
for
both
the
number
and
the
exponent.
However,
numbers
greater
than
2,147,483,629 are truncated,
and expo-
nents greater
than 32,749
are
rejected.
2-48
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