Fnc140 - Wsum / Sum Of Word Data - Mitsubishi Electric FX3G SERIES Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
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.
1. Instruction format
FNC 140
D WSUM P
2. Set data
Operand type
S
D
n
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
n
Explanation of function and operation
1. 16-bit operation (WSUM and WSUMP)
The sum of "n" 16-bit data starting from
Command
input
S
2. 32-bit operation (DWSUM and DWSUMP)
The sum of "n" 32-bit data starting from [
D ].
Command
input
[ +1,
S
[ +3,
S S
[ +5,
S S
[ +7,
S S
[ +9,
S S
Mnemonic
16-bit Instruction
7 steps WSUM
WSUMP
Head device number storing data whose sum is calculated
Head device number storing sum
Number of data (0 < n)
Digit Specification
S is stored as 32-bit data in [
FNC140
S D
WSUM
+0 K4444
+1 K3333
"n"
+2 K1234
points
K-5426
+3
(n = 6)
K326
+4
K10000
+5
S
FNC140
S D
DWSUM
K32767000
]
S
K6000
+2]
"n"
K35392000
+4]
points
K-11870000
+6]
(n = 5)
+8] K12345000
19 Data Operation 2 – FNC140 to FNC149
19.1 FNC140 – WSUM / Sum of Word Data
→ For CCD (FNC 84) instruction, refer to Section 16.5.
Operation Condition
32-bit Instruction
Continuous
13 steps
Operation
Pulse (Single)
Operation
Description
Word Devices
Special
System User
Unit
V
D
n
Sum of
"n" data [ +1,
D D
K13911
+1, S ] is stored as 64-bit data in [
n
Sum of
"n" data
[ +3,
D D
K68640000
Mnemonic Operation Condition
Continuous
DWSUM
Operation
Pulse (Single)
DWSUMP
Operation
Data type
16- or 32-bit binary
32- or 64-bit binary
16- or 32-bit binary
Others
Con- Real Charac-
Index
stant Number ter String
Z Modify K H E " "
+1, D ].
]
D +3, D +2,
+2, +1, ]
D D
11
12
13
14
15
Pointer
P
16
17
18
D +1,
19
20
533