Fnc 36 - Wsfr / Word Shift Right - Mitsubishi FX3G Series Programming Manual

FX /FX /FX /FX
3G 3U 3GC 3UC
Programming Manual - Basic & Applied Instruction Edition
11.7 FNC 36 – WSFR / Word Shift Right
Outline
This instruction shifts word devices with "n1" data length rightward by "n2" words.
1. Instruction format
FNC 36
WSFR
2. Set data
Operand Type
S
D
n1
n2
*1. Do not set a negative value to the number of words to be shifted rightward.
3. Applicable devices
Bit Devices
Oper-
and System User
Type
X Y M T C S D .b KnX KnY KnM KnS T
S
D
n1
n2
: This function is supported only in FX
Explanation of function and operation
1. 16-bit operation (WSFR and WSFRP)
For "n1" word devices starting from
After shift, "n2" words starting from
Command
input
FNC 36
WSFRP
Before
execution
After
execution
S
300
Series
Mnemonic
16-bit Instruction
P
WSFR
9 steps
WSFRP
Head device number to be stored to the shift data after rightward shift
Head word device number storing data to be shifted rightward
Word data length of the shift data n2 ≤ n1 ≤ 512
Number of words to be shifted rightward n2 ≤ n1 ≤ 512
Digit Specification
/FX
3U
, "n2" words are shifted rightward ([1] and [2] shown below).
D
are shifted to "n2" words starting from [
S
S D
n2 (in the case of "n2=3")
+2 +1
S S S
D +8 D +7 D
[3] Copy
+8 +7
D D D
S
+2 to before shift (n2=3)
11 Rotation and Shift Operation – FNC 30 to FNC 39
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
Description
*1
Word Devices
Special
System User
Unit
C D R U \G
PLCs.
3UC
n1 n2
n1 (in the case of "n1=9")
+6 D +5 D +4 D
[2]
"n2" bits are
shifted rightward
(n2=3).
+6 +5 +4
D D D
D D
+8 to
11.7 FNC 36 – WSFR / Word Shift Right
Mnemonic
32-bit Instruction
−
−
Con- Real
Index
stant Number
V Z Modify K H E
+n1-n2] ([3] shown below).
D
+3 +2 +1
D D
[1]
Overflow (data to
be deleted)
+3 +2 +1
D D
+3 before shift (n2=3)
Operation Condition
Data Type
16-bit binary
16-bit binary
16-bit binary
16-bit binary
Others
Charac-
Pointer
ter String
" " P
D
D