Checking 16-Bit Binary Data - Mitsubishi Electric MELSEC iQ-R Series Programming Manual

Checking 16-bit binary data

SUM(P)
RnPCPU
RnCPU RnENCPU
(Process)
These instructions store the total number of "1" bits in the 16-bit binary data stored in the specified device.
Ladder
(s)
FBD/LD
EN ENO
s d
■Execution condition
Instruction
SUM
SUMP
Setting data
■Descriptions, ranges, and data types
Operand Description
(s) 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 16-bit binary data, which is stored in the device specified by (s),
in the device specified by (d).
b15 ∙∙∙ b8b7
(s)
1 1 0 0 1 0 1 1 0 0
b15 ∙∙∙ b8b7
(d)
0 0 0 0 0 0 0 0 0 0
7 APPLICATION INSTRUCTIONS
914
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
 
 
∙∙∙ b0
1 1 0 0 0 1
∙∙∙ b0
0 0 1 0 0 0
ST
ENO:=SUM(EN,s,d);
ENO:=SUMP(EN,s,d);
Range
-32768 to 32767



Double word Indirect
U\G, J\, Z LT, LST,
U3E\(H)G LC
  
  
The total number of 1s is stored in binary. (Eight 1s in the left example)
Data type Data type (label)
16-bit signed binary ANY16
16-bit signed binary ANY16
Bit BOOL
Bit BOOL
Constant
specification
LZ K, H E
   
   
Others
$
 
 