Mitsubishi Electric MELSEC iQ-R Series - Page 1952

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32 STRING FUNCTIONS
32.3 Extracting String Data
■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.
Operation error
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
2820H There is no NULL code (00H) in the setting area specified by (s) in the device/label memory.
3405H The number of characters in the string input to (s) exceeds 16383.
Out-of-range data is set to (n1) or (n2).
• The value input to (n1) or (n2) is 0 or smaller.
• The value input to (n2) is other than the valid values (-1, 0, 1 or bigger).
• The value input to (n1) exceeds the number of characters in (s).
• The sum of (n1) and (n2) exceeds the number of characters in (s).