Fnc 37 - Wsfl / Word Shift Left; Programming Manual - Basic & Applied Instructions Edition - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
11.8 FNC 37 – WSFL / Word Shift Left
Outline
This instruction shifts the word data information leftward by the specified number of words.
1. Instruction format
FNC 37
WSFL P
2. Set data
Operand Type
S
D
n1
n2
*1. Do not set a negative value to the number of words to be shifted leftward.
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
S
D
n1
n2
: This function is supported only in FX
Explanation of function and operation
1. 16-bit operation (WSFL and WSFLP)
For "n1" word devices starting from
After shift, "n2" words starting from
Command
input
FNC 37
WSFLP
Mnemonic
16-bit Instruction
WSFL
9 steps
WSFLP
Head device number to be stored to the shift data after leftward shift
Head word device number storing data to be shifted leftward
Word data length of the shift data n2 ≤ n1 ≤ 512
Number of words to be shifted leftward n2 ≤ n1 ≤ 512
Digit Specification
/FX
3U
, "n2" words are shifted leftward ([1] and [2] shown below).
D
are shifted to "n2" words starting from
S
S D
11 Rotation and Shift Operation – FNC 30 to FNC 39
Operation Condition
32-bit Instruction
Continuous
Operation
Pulse (Single)
Operation
Description
*1
Word Devices
Special
System User
Unit
V Z Modify K H
PLCs.
3UC
n1 n2
11.8 FNC 37 – WSFL / Word Shift Left
Mnemonic Operation Condition
−
−
Data Type
16-bit binary
16-bit binary
16-bit binary
16-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
E " "
([3] shown below).
D
11
12
13
14
15
Pointer
P
16
17
18
19
20
323