7 APPLICATION INSTRUCTIONS
7.12 Special Function Instructions
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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 64-bit floating decimal point type real number at D0 to D3.
[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 64-bit
floating-point real number ( ).
Executes square root operation ( ).
1
2
3
Step Instruction Device
X2F
0
D20
650
X20
BIN
b15
b0
650
FLTD SQRD
1
2 3
D11
650
D10D13 D12
D1
25.4951
D0D3 D2
BCD value
Conversion to
BIN
BIN value
Conversion to
floating-point
SQR
operation
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