Converting Decimal Floating Point To Binary Floating Point - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

Converting decimal floating point to binary floating point

DEBIN(P)
These instructions convert the decimal floating point specified by (s) to the binary floating point, and store the converted data
in the device specified by (d).
Ladder diagram
(s) (d)
FBD/LD
EN ENO
s d
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) Head device number storing decimal floating-point data
(d) Device number storing converted binary floating-point data
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, SM,
F, B, SB, S
(s) 

(d)
Processing details
• These instructions convert the decimal floating point specified by (s) to the binary floating point, and store the converted
data in the device specified by (d).
High order
b31 b30 b29 b28 b27 b26 b25 b24 b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Exponent part
(s)+1
High order
b31 b30 b29 b28 b27 b26 b25 b24 b23 b22 b21 b20 b19 b18 b17 b16 b15 b14 b13 b12 b11 b10 b9 b8 b7 b6 b5 b4 b3 b2 b1 b0
Exponent part (8 bits)
Sign (1 bit)
(d)+1
Word
T, ST, C, D, W, U\G
SD, SW, R
 
 
10
(s)+1
(s)
Mantissa part (23 bits)
Structured text
ENO:=DEBIN(EN,s,d);
ENO:=DEBINP(EN,s,d);
Range Data type
 Real number

Single-precision real number
 Bit

Bit
Double word Indirect
specification
Z LC LZ
   
   
Low order
Mantissa part
(s)
Low order
(d)
Data type (label)
ANY32
ANYREAL_32
BOOL
BOOL
Constant Others
K, H E $
   
   
8 APPLICATION INSTRUCTION
8.9 Real Number Instruction
8
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