Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

Page: 1878 / 2110

1876
25 TYPE CONVERSION FUNCTIONS
25.59 Converting STRING to REAL
25.59
Converting STRING to REAL
STRING_TO_REAL(_E)
These functions convert a value from STRING data type to REAL data type.
Setting data
■
Description, type, data type
Processing details
■
Operation processing
• These functions convert the value input to (s) from STRING data type (decimal form/exponential form) to REAL data type,
and output the converted value from (d).
Ladder, FBD/LD Structured text
[Without EN/ENO] [With EN/ENO] [Without EN/ENO]
d:=STRING_TO_REAL(s);
[With EN/ENO]
d:=STRING_TO_REAL_E(EN,ENO,s);
Argument Description Type Data type
EN Execution condition (TRUE: Executed, FALSE: Not executed) Input variable BOOL
s (IN) Input Input variable STRING(24)
ENO Output status (TRUE: Normal, FALSE: Abnormal) Output variable BOOL
d Output Output variable REAL
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
s d EN ENO
d s
(s)
(d)
+0
+6
+5
+4
+3
+2
+1
STRING
REAL
Lower byte Upper byte
ASCII code (sign data) ASCII code (1st character)
ASCII code (10th character)
ASCII code (8th character)
00H (Null character (end of string))
ASCII code (11th character)
ASCII code (9th character)
ASCII code (6th character) ASCII code (7th character)
ASCII code (4th character) ASCII code (5th character)
ASCII code (2nd character) ASCII code (3rd character)