Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1934

■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
• When (s2) and (s3) are of STRING data type
Error code Description
(SD0)
2820H There is no NULL code (00H) in the label or device area (between the specified device number and the last device number) specified by (s2).
There is no NULL code (00H) in the label or device area (between the specified device number and the last device number) specified by (s3).
3406H The entire string cannot be stored in the label or device area (between the specified device number and the last device number) specified by
(d). (The number of required points is insufficient.)
30 SELECTION FUNCTIONS
1932
30.1 Selecting a Value
Operation result
ENO
TRUE
*1
FALSE
(d)
Operation result output value
Undefined value