Converting Dword To Bool - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

25.13

Converting DWORD to BOOL

DWORD_TO_BOOL(_E)
RnPCPU
RnCPU RnENCPU
(Process)
These functions convert a value from DWORD data type to BOOL data type.
Ladder, FBD/LD
[Without EN/ENO]
s d
Setting data
■Description, type, data type
Argument
EN
s (IN)
ENO
d
Processing details
■Operation processing
• These functions convert the value input to (s) from DWORD data type to BOOL data type, and output the converted value
from (d).
• When the input value is 0H, FALSE is output.
• When the input value is other than 0H, TRUE is output.
(s)
0H
12345678H
DWORD
• Input a DWORD 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.
Execution condition
EN
TRUE (executed)
FALSE (not executed)
*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.
Operation error
There is no operation error.
25 TYPE CONVERSION FUNCTIONS
1806
25.13 Converting DWORD to BOOL
RnPCPU RnSFCPU RnSFCPU
(Redundant) (Standard) (Safety)
[With EN/ENO]
EN ENO
s
Description
Execution condition (TRUE: Executed, FALSE: Not executed)
Input
Output status (TRUE: Normal, FALSE: Abnormal)
Output
Operation result
ENO
TRUE
FALSE
Structured text
[Without EN/ENO]
d:=DWORD_TO_BOOL(s);
[With EN/ENO]
d:=DWORD_TO_BOOL_E(EN,ENO,s);
d
(d)
FALSE
TRUE
BOOL
*1
Type Data type
Input variable BOOL
Input variable DWORD
Output variable BOOL
Output variable BOOL
(d)
Operation result output value
Undefined value