Mitsubishi Electronics FX3G User Manual
308
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series
Programming Manual - Basic & Applied Instruction Edition
11 Rotation and Shift Operation – FNC 30 to FNC 39
11.8 FNC 37 – WSFL / Word Shift Left
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
2. Set data
*1.
Do not set a negative value to the number of words to be shifted leftward.
3. Applicable devices
S1: This function is supported only in FX
3G
/FX
3GC
/FX
3U
/FX
3UC
PLCs.
S2: This function is supported only in FX
3U
/FX
3UC
PLCs.
Explanation of function and operation
1. 16-bit operation (WSFL and WSFLP)
For "n1" word devices starting from
, "n2" words are shifted leftward ([1] and [2] shown below).
After shift, "n2" words starting from
are shifted to "n2" words starting from
([3] shown below).
Operand Type
Description
Data Type
Head device number to be stored to the shift data after leftward shift
16-bit binary
Head word device number storing data to be shifted leftward
16-bit binary
n1
Word data length of the shift data n2
≤ n1 ≤ 512
16-bit binary
n2
Number of words to be shifted leftward n2
≤ n1 ≤ 512
*1
16-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
stant
stant
Real
Number
Charac-
ter String
Pointer
X Y M T C S D .b KnX KnY KnM KnS T C D
R U \G
V Z Modify K H
E
" "
P
S1
S2
S1
S2
n1
n2
S1
16-bit Instruction
9 steps
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Pulse (Single)
Operation
WSFL
WSFLP
−
−
−
Mnemonic
Operation Condition
32-bit Instruction
P
FNC 37
WSFL
S
D
S
D
D
S
D
Command
input
FNC 37
WSFLP
WSFLP
n1
n2
D
S