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5 Applied Functions
5.1 Type Conversion Functions
86
FXCPU Structured Programming Manual
(Application Functions)
Error
An operation error occurs in the following cases. The error flag M8067 turns ON, and D8067 stores the error
code.
1) When the value stored in a device specified in is outside the following range:
0, ±2
-126
≤ (Value of device specified in ) ≤ ±2
128
(Error code: K6706)
2) When the range of a device which will store the character string obtained by conversion (device specified
in ) exceeds the range of the corresponding device
(Error code: K6706)
3) When the conversion result exceeds the specified total number of digits
(Error code: K6706)
Program example
In this program, float (single precision) data stored in a device specified in is converted into string data,
and the data obtained by conversion is output to a device specified in .
1) Function without EN/ENO(REAL_TO_STR)
2) Function with EN/ENO(REAL_TO_STR_E)
[Structured ladder]
[ST]
[Structured ladder]
[ST]
s
s
d
s
d
g_string1="-1.23457E+01"
REAL_TO_STR
g_real1=-12.34567
_REAL
g_string1 := REAL_TO_STR(g_real1);
REAL_TO_STR_E
EN ENO
g_string1
g_bool1
g_real1
_REAL
g_bool3
g_bool3 := REAL_TO_STR_E(g_bool1, g_real1, g_string1);