25 TYPE CONVERSION FUNCTIONS
25.55 Converting STRING to DWORD
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25
25.55 Converting STRING to DWORD
STRING_TO_DWORD(_E)
These functions convert a value from STRING data type to DWORD data type.
■Description, type, data type
■Operation processing
• These functions convert the value input to (s) from STRING data type to DWORD data type, and output the converted value
from (d).
• Input a STRING data type value to (s).
■Operation result
1. Function without EN/ENO
The operation processing is performed. The operation result is output from (d).
2. Function with EN/ENO
The execution conditions and operation results will be as follows.
*1 If the value FALSE is output from ENO, the output data from (d) will be undefined. Create a program so that the undefined value will not
be used in operations.
Ladder, FBD/LD Structured text
[Without EN/ENO] [With EN/ENO] [Without EN/ENO]
d:=STRING_TO_DWORD(s);
[With EN/ENO]
d:=STRING_TO_DWORD_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(8)
ENO Output status (TRUE: Normal, FALSE: Abnormal) Output variable BOOL
d Output Output variable DWORD
Execution condition Operation result
EN ENO (d)
TRUE (executed) TRUE Operation result output value
FALSE (not executed) FALSE
*1
Undefined value
Error code
(SD0)
Description
3401H An ASCII code other than 30H to 39H and 41H to 46H is input.
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant)
(Process)
EN ENO
ds
(s)
(d)
0
12
00000000
00000012
DWORDSTRING