555
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
19 Data Operation 2 – FNC140 to FNC149
19.1 FNC140 – WSUM / Sum of Word Data
11
FNC3
0-F
NC3
9
R
otati
on and
Shif
t
12
FNC4
0-F
NC4
9
D
ata
O
per
ati
on
13
FN
C
50-FN
C
59
H
igh Speed
Pr
ocess
ing
14
FM
C
60-
FN
C
69
H
andy
In
st
ru
ct
ion
15
FNC7
0-F
N
C7
9
Ex
ter
nal
FX
I/O
D
evice
16
FN
C
80-FN
C
89
Ext
ernal FX
De
vic
e
17
FN
C
100-
FN
C
109
Da
ta
Transf
er 2
18
FN
C
110-
FN
C
139
Fl
oati
ng Poi
nt
19
FN
C
140
-F
N
C
14
9
Da
ta
O
per
ati
on 2
20
FN
C
150-
FN
C
159
Posit
ioning
C
ontr
ol
19.1
FNC140 – WSUM / Sum of Word Data
Outline
This instruction calculates the sum of consecutive 16-bit or 32-bit data.
When calculating the addition data (sum value) in units of byte (8 bits), use the CCD (FNC 84) instruction.
→
For CCD (FNC 84) instruction, refer to Section 16.5.
1. Instruction format
2. Set data
3. Applicable devices
Explanation of function and operation
1. 16-bit operation (WSUM and WSUMP)
The sum of "n" 16-bit data starting from
is stored as 32-bit data in [
+1,
].
Operand type
Description
Data type
Head device number storing data whose sum is calculated
16- or 32-bit binary
Head device number storing sum
32- or 64-bit binary
n
Number of data (0 < n)
16- or 32-bit binary
Oper-
and
Type
Bit Devices
Word Devices
Others
System User
Digit Specification
System User
Special
Unit
Index
Con-
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
3 3 3 3
3
3
3 3 3 3
3
3
n
3 3
3 3
DWSUM
DWSUMP
Mnemonic
Operation Condition
P
FNC 140
WSUM
D
16-bit Instruction
7 steps WSUM
WSUMP
Mnemonic
Operation Condition
Continuous
Operation
Pulse (Single)
Operation
32-bit Instruction
13 steps
Continuous
Operation
Pulse (Single)
Operation
S
D
S
D
S
D
D
Command
input
FNC140
WSUM
[ +1, ]
K13911
S
D
n
S
D
D
Sum of
"n" data
"n"
points
(n = 6)
K4444
K3333
K1234
K-5426
K326
K10000
+1
+0
+3
+2
+4
+5