Mitsubishi Electric MELSEC iQ-R Series - Checking 32-Bit Binary Data

916
7 APPLICATION INSTRUCTIONS
7.20 Data Processing Instructions
Checking 32-bit binary data
DSUM(P)
These instructions store the total number of "1" bits in the 32-bit binary data stored in the specified device.
■Execution condition
Setting data
■Descriptions, ranges, and data types
■Applicable devices
Processing details
• These instructions store the total number of "1" bits in the 32-bit binary data, which is stored in the device specified by (s),
in the device specified by (d).
Ladder ST
ENO:=DSUM(EN,s,d);
ENO:=DSUMP(EN,s,d);
FBD/LD
Instruction Execution condition
DSUM
DSUMP
Operand Description Range Data type Data type (label)
(s) Start device containing data in which the total number of "1"
bits is to be counted
-2147483648 to 2147483647 32-bit signed binary ANY32
(d) Device for storing the total number of bits  16-bit signed binary ANY16
EN Execution condition  Bit BOOL
ENO Execution result  Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB,
FX, FY
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U\G, J\,
U3E\(H)G
Z LT, LST,
LC
LZ K, H E $
(s)   
(d)   
The total number of 1s is stored in binary. (Sixteen 1s in the left example)
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(s) (d)
EN ENO
ds
b31 b16
100 11 1001 1000111
b15 b0
000 01 0001 1110110
(d)
b15 b8b7 b0
000 00 0000 0010000
(s)+1 (s)