Rockwell Automation AutoMax Enhanced Ladder Language Reference Manual - Manual (Page 160)

8Ć2
Defining a Mask
Choose to move the bits from In to Out by setting the bits in the mask that correspond
to the location of the bits in the source (In).
To: Define the corresponding
Mask bit as:
move bits from In into Out 1
not move the bits from In to Out (the
bits currently in Out do not change)
0
8.1 Move Source Data to Destination (MOVE)
Use the Move Source Data to Destination instruction to copy the value of the input
variable or constant to the output variable. You can move data between variables that
use different addressing modes.
When EN is true, the instruction copies the value of In to the variable assigned to Out.