Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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7 APPLICATION INSTRUCTIONS
7.20 Data Processing Instructions
Adding 16-bit binary data
WSUM(P)(_U)
These instructions add the (n) points of 16-bit binary data from the specified device.
■
Execution condition
Setting data
■ Description, range, data type
*1 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
■ Applicable devices
Ladder ST
ENO:=WSUM(EN,s,n,d);
ENO:=WSUMP(EN,s,n,d); ENO:=WSUM_U(EN,s,n,d);
ENO:=WSUMP_U(EN,s,n,d);
FBD/LD
Instruction Execution condition
WSUM
WSUM_U
WSUMP
WSUMP_U
Operand Description Range Data type Data type (label)
(s) WSUM(P) Start device where the data for calculating the
total value are stored

16-bit signed binary ANY16_S
*1
WSUM(P)_U 16-bit unsigned binary ANY16_U
*1
(d) WSUM(P) Start device for storing the total value  32-bit signed binary ANY32_S
WSUM(P)_U 32-bit unsigned binary ANY32_U
(n) Number of data 0 to 65535 16-bit unsigned 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)
           
(n)            
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
(s) (d) (n)
EN ENO
s d
n