Mitsubishi Electric MELSEC iQ-R Series Programming Manual page 1926

■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.
28 BIT SHIFT FUNCTIONS
1924
28.3 Rotating Data to the Left by n Bit(s)
Operation result
ENO
TRUE
*1
FALSE
(d)
Operation result output value
Undefined value