July 2004
Intermediate to advanced
352 pages
9h 30m
English
Content preview from Mitsubishi FX Programmable Logic Controllers, 2nd Edition
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Example: Convert the binary number 1001 1101 to its denary equivalent.
Note: msb is the Most Significant Bit. lsb is the Least Significant Bit.
19.3 Binary numb ers and bin ary coded decimal
A binary value can be displayed in two different ways:
(a) Pure binary
(b) Binary coded decimal (BCD).
Pure binary
Consider the following binary number 0010 0101 1001 0110.
In pure binary 0010 0101 1001 0110 ¼ 9622
Binary co ded decimal
In BCD the binary numbers are grouped into blocks of four binary digits each
starting from the lsb. Each block of
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