LEYBOLD DeviceNet ITR 200 D - Page 31

Conversion
17200138_002_C0 – (2016-10) –
 Leybold
31
00 00 CA 42
h
(4-Byte, floating format)
42
h
CA
h
00
h
00
h
0100 0010
b
1100 1010
b
0000 0000
b
0000 0000
b
0 1000 0101
b
100 1010 0000 0000 0000 0000
b



-1
0
1+
= 1+
 
Sign = Exponent = Mantissa =
1 133 1.578125
1 × 2
(133-127)
× 1.578125 = 101










23
b
2
0000 0000 0000 0000 1010 100
4849664
8388608
d
d






Converted Number
Number Received
Example
1. Reverse the Sequence of
the HEX Words
2. Separate Into Bytes
3. Calculate
Sign 8-Bit exponent 23-Bit mantissa