Shifting 16-Bit Data To The Right By N Bit(S) - Mitsubishi Electric MELSEC iQ-F FX5 Programming Manual

Shifting 16-bit data to the right by n bit(s)

SFR(P)
These instructions shift the 16-bit data in the device specified by (d) to the right by (n) bit(s).
Ladder diagram
(d) (n)
FBD/LD
EN ENO
n d
Setting data
■Descriptions, ranges, and data types
Operand Remarks
(d) Head device number where the shift-target data is stored
(n) Number of shifts
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L, SM,
F, B, SB, S

(d)

(n)
Processing details
• This instruction shifts the 16-bit data in the device specified by (d) to the right by (n) bit(s) from the most significant bit. The
(n) bit(s) from the most significant bit is/are filled with 0(s).
When (n)=6
b15 b14 b13 b12 b11 b10 b9
(d) 1 1 1 0 1 1 1
b15 b14 b13 b12 b11 b10 b9
0 0 0 0 0 0 1
(d)
0
• When (d) is a bit device, bits are shifted to the right within the device range specified by nibble specification.
When (n)=4
Y23 Y20 Y17
··· ···
1 0 1 0 1 0 1
Y23 Y20 Y17
··· ···
0 0 0 0 0
1 1
0
Word
T, ST, C, D, W, U\G
SD, SW, R
 
 
b8 b6 b5 b4 b3 b2 b1
b7
0 1 1 1 0 1 1 1
b8 b7 b6 b5 b4 b3 b2 b1
1 1 0 1 1 1 0 1
Y14 Y13 Y10
···
0 1 0 1 0
(SM700, SM8022)
Y14 Y13 Y10
···
0 0 0
1 1
Structured text
ENO:=SFR(EN,n,d);
ENO:=SFRP(EN,n,d);
Range Data type

16-bit signed binary
0 to 15 16-bit unsigned binary
 Bit

Bit
Double word Indirect
specification
Z LC LZ
   
   
b0
0
(SM700, SM8022)
b0
1 1
1
Data type (label)
ANY16
ANY16
BOOL
BOOL
Constant Others
K, H E $
   
   
6 SEQUENCE INSTRUCTIONS
6.4 Shift Instructions
6
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