Mitsubishi Electric MELSEC-Q/L - Calculation of Totals for 32-Bit Data

7 APPLICATION INSTRUCTIONS
7.5 Data Processing Instructions
449
7
Calculation of totals for 32-bit data
DWSUM(P)
Processing details
• Adds all 32-bit BIN data stored in n points of devices starting from the one designated by (S), and stores the result to 4
points of devices (4 words) starting from the one designated by (D).
Operation error
• In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and an error code is stored into SD0.
Program example
• The following program adds the 32-bit BIN data at D100 to D107, and stores the result at D10 and D13 when X20 is turned
ON.
(S): Head number of the devices where data to be summed are stored (BIN 32 bits)
(D): Head number of the devices where the sum will be stored (BIN 64 bits)
n: Number of data blocks (BIN 16 bits)
Setting
data
Internal device R, ZR J\ U\G Zn Constant
K, H
Others
Bit Word Bit Word
(S)   
(D)   
n   
Error
code
Error details Q00J/
Q00/
Q01
QnH QnPH QnPRH QnU LCPU
4101 The points specified in n exceed those of the corresponding device specified
in (S).

The device specified in (D) exceeds the range of the corresponding device. 
[Ladder Mode] [List Mode]
[Operation]
Basic
Process
High
performance
Redundant Universal LCPU
n
n
DWSUM
DWSUMP
D
D
Command
Command
DWSUMP
DWSUM
S
S
11870000 (BIN)
32767000 (BIN)
6000 (BIN)
35392000 (BIN)
12345000 (BIN)
68640000 (BIN)
D
n
+ 3
D
+ 2
+ 4
+ 6
+ 8
S
S
S
S
S
+ 1
,
+ 3
,
+ 5
,
+ 7
,
+ 9
,
S
S
S
S
S
to
Step
Instruction
Device
11245600 (BIN)
D101,D100
27543200 (BIN)
558800 (BIN)
15675000 (BIN)
23672600 (BIN)
D103,D102
D105,D104
D107,D106
D10
D13 to