Bit Right Shift - Mitsubishi Electric MELSEC Q Series Programming Manual

6 IEC FUNCTIONS

6.6.2 Bit right shift

The specified data is shifted n bits to the right.
Function definition
Function definition
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SHR
SHR_E
ANY_BIT SHR ( ANY_BIT S1, ANY_BIT n );
Argument
Argument Name IN/OUT
S1 IN
n
IN
Return value
Return Value
ANY_BIT Shifted data
Remarks: n bits of data from the most significant bit are 0.
Remarks:
Example of use
Argument Type
INT D0 := SHR( D1,1 );
BOOL SHR_E( BOOL EN, ANY_BIT S1, ANY_BIT n, ANY_BIT D1 );
Argument
Argument Name IN/OUT
EN IN
S1 IN
n IN
D1 OUT
Return value
Return Value
BOOL Execution condition
Example of use
(* When execution condition X0 turns ON, the data stored in D0 is shifted 2 bits
(* to the right, and the result is stored into Result.
M0:=SHR_E(X0, D0, 2, D100);
Data to be shifted
Number of bits to be shifted
Remarks: Only a constant can be specified as the number of bits to be
shifted.
ST Program Conversion Result
LD
MOV
SFR
Execution condition (Function is executed only when the result is TRUE)
Data to be shifted
Number of bits to be shifted
Remarks: Only a constant can be specified as the number of bits to be
shifted.
Shifted data
Remarks: n bits of data from the most significant bit are 0.
For the usable data type, refer to "3.2.2 About ANY type".
Description
Description
Used Instruction
SM400 LD,MOV,SFR
D1 D0
D0 K1
Description
Description
*)
*)
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