7 APPLICATION INSTRUCTIONS
7.12 Special Function Instructions
631
7
• The following program seeks the square root of the value set by the 4 BCD digits from X20 to X2F, and stores the result as
a 32-bit floating decimal point type real number at D0 and D1.
[Ladder Mode]
[List Mode]
[Operations involved when value designated by X20 to X2F is 650]
Inputs data used for
square root operation ( )
Converts the input data into a
32-bit floating-point real number ( )
Executes square root
operation ( )
1
2
3
X2F
0
D20
650
X20
BIN
b15
b0
650
FLT
D11 D10
SQR
D1 D0
650 25
.
4951
1
2 3
BCD value
Conversion to
BIN
BIN value
Conversion to
floating-point
SQR
operation
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