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5 SEQUENCE INSTRUCTIONS
5.4 Shift Instructions
Shifting n-bit data to the left by 1 bit
BSFL(P)
These instructions shift (n) point(s) of data to the left by 1 bit from the device specified by (d).
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
*1
T, ST, C cannot be used.
Processing details
• These instructions shift (n) point(s) of data to the left by 1 bit from the device specified by (d).
• The value of the device specified by (d) becomes 0.
■
Related devices
Operation error
Ladder diagram
Structured text
ENO:=BSFL(EN,n,d);
ENO:=BSFLP(EN,n,d);
Operand
Remarks
Range
Data type
Data type (label)
(d)
Head device number to be shifted
Bit
ANY_BOOL
(n)
Number of devices to be shifted
0 to 65535
16-bit unsigned binary
ANY16
Operand
Bit
Word
Double word
Indirect
specification
Constant
Others
X, Y, M, L,
SM, F, B, SB
U
\G
T, ST,
C, LC
T, ST, C, D,
W, SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(d)
(n)
Device
Name
Remarks
SM700
Carry
ON/OFF according to the status (1/0) of the (d) bit.
Error code
(SD0/SD8067)
Remarks
2820
The (n) points of data starting from the device specified by (d) exceed in the corresponding device.
(d)
(n)
1
1
1
0
0
1
1
1
0
0
1
1
0
(n)
(d)+1
(d)
(d)+(n-1)
(d)+(n-2) (d)+(n-3)
(d)+2
···
(d)+2
(d)+1
(d)
(d)+(n-1)
(d)+(n-2) (d)+(n-3)
···
Carry flag (SM700)
These bits become "0".
Summary of Contents for MELSEC iQ-F FX5 series
Page 1: ...MELSEC iQ F FX5 Series Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 21: ...19 PART 1 PART 1 OVERVIEW Part 1 consists of the following chapter 1 OVERVIEW ...
Page 98: ...96 4 STANDARD FUNCTIONS FUNCTION BLOCKS 4 2 Standard Function Blocks MEMO ...
Page 840: ...838 23 TIME DATA FUNCTIONS 23 4 Division MEMO ...
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