Omron SYSMAC CJ - REFERENCE MANUAL 08-2008 Reference Manual page 625

Special Math Instructions
Examples Basic Floating-point Division
When CIO 000000 is ON in the following example, FDIV(079) divides the
floating-point number in D00101 and D00100 by the floating-point number in
CIO 0021 and CIO 0020 and writes the result to D00301 and D00300.
D00101
A 5
CIO 0021
÷
B 1
D00301
2 4
Floating-point Division of Two BCD Numbers
In this example, the 4-digit BCD number in D00000 is divided by the 4-digit
BCD number in D00001 and the floating-point result is written to D00003 and
D00002.
To perform the floating point division, the BCD value in D00000 is converted
to floating-point format in D00101 and D00100 and the BCD value in D00001
is converted to floating-point format in D00103 and D00102.
D00100
6 7 0 0 0 0 0.5670000 10
CIO 0020
2 3 4 5 6 7 0.1234567
D00300
5 9 2 7 0 3 0.4592703 10
Section 3-14
–2
×
–3
×
10
2
×
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