Manual

tira40e1 (2005-04) BCG450SDv1.cp 33
Appendix
Integer int
–32767
… 32768
Unsigned integer uint
0
… 65535
Float float according IEEE 754
Manufacturer product code 13 = BCG450-SD
AA BB CC DD
h
(4-Byte, floating format)
Legend: XX
h
Hexadecimal number
(Radix = 16)
XX
d
Decimal number (Radix = 10)
XX
b
Binary number (Radix = 2)
DD
h
CC
h
BB
h
AA
h
SEEE EEEE
b
EMMM MMMM
b
MMMM MMMM
b
MMMM MMMM
b
S EEEE EEEE
b
MMM MMMM MMMM MMMM MMMM MMMM
b
ØØ Ø
1+
MMMMMMM MMMM MMMM MMMM MMMM
b
2
23
⎛
⎝
⎜
⎜
⎞
⎠
⎟
⎟
= 1+
NNNNN
d
d
8388608
⎛
⎝
⎜
⎞
⎠
⎟
Ø
Sign = Exponent = Mantissa =
-1
S
XYZ
d
RSTUV
d
Sign × 2
(Exponent-127)
× Mantissa
Sign 8-Bit exponent 23-Bit mantissa
A: Range of Values
B: Specific Codes
C: Conversion of a Floating
Number According to
IEEE 754
General
Number received
1. Reverse the sequence of
the HEX words
2. Separate into bytes
3. Calculate
Converted number