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

Checking 32-bit binary data

DSUM(P)
RnPCPU
RnCPU RnENCPU
(Process)
These instructions store the total number of "1" bits in the 32-bit binary data stored in the specified device.
Ladder
(s)
FBD/LD
EN ENO
s d
■Execution condition
Instruction
DSUM
DSUMP
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) Start device containing data in which the total number of "1"
bits is to be counted
(d) Device for storing the total number of bits
EN Execution condition
ENO Execution result
■Applicable devices
Operand Bit
X, Y, M, L,
SM, F, B, SB,
FX, FY
(s) 

(d)
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).
(s)+1
b31 ∙∙∙
1 0 0 1 1 1 0 0 1 0 1
b15
(d)
0 0 0
7 APPLICATION INSTRUCTIONS
916
7.20 Data Processing Instructions
RnPCPU RnSFCPU RnSFCPU
(Redundant) (Standard) (Safety)
(d)
Execution condition
Word
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
 
 
(s)
b16 b15 ∙∙∙
0 0 1 1 1 0 0 0 1 0 0 0 0 1 1
∙∙∙ b8b7 ∙∙∙ b0
0 0 0 0 0 0 0 0 1 0 0 0 0
ST
ENO:=DSUM(EN,s,d);
ENO:=DSUMP(EN,s,d);
Range
-2147483648 to 2147483647



U\G, J\, Z
U3E\(H)G
 
 
The total number of 1s is stored in binary. (Sixteen 1s in the left example)
b0
1 1 0 1 1 0
Data type
32-bit signed binary
16-bit signed binary
Bit
Bit
Double word Indirect
specification
LT, LST, LZ
LC
  
  
Data type (label)
ANY32
ANY16
BOOL
BOOL
Constant Others
K, H E $
   
   