Lenze DDS v2.3 - Manual (Page 277)

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IEC 61131-3 Operators
12-7
l
DDS EN 2.3
12.3.4 ROR
Rotating the bits of an operand to the right
Example IL:
LD 2#1001_0011
ROR 3
ST Var1
A:= ROR (IN, N)
ST Var1
(* Var1 = #0111_0010 *)
IN is rotated by one bit position to the right N times, with the bit being on the extreme right being
reinserted from the left.
Tip!
The number of bits for the arithmetic operation is specified by the data type of input variable IN. A
constant is considered as the lowest-order data type. The data type of the output variable has no
effect on the arithmetic operation.
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