Mitsubishi Electric MELSEC iQ-R Series, Programming Manual

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7 APPLICATION INSTRUCTIONS
7.20 Data Processing Instructions
943
7
Calculating the square root of 32-bit binary data
DSQRT(P)
These instructions perform a square root operation of the specified 32-bit binary data.
■ Execution condition
Setting data
■
Description, range, data type
■
Applicable devices
*1 FX and FY cannot be used.
Processing details
• These instructions perform a square root operation of the 32-bit binary data specified by (s). and stores the result in (d).
The obtained square root is an integer because the decimal places are rounded down.

(s)+1, (s)

(d)
Operation error
There is no operation error.
• The RnCPU and RnENCPU with firmware version "17" or later support these instructions. (Use an engineering tool with version "1.020W" or later.)
Ladder ST
ENO:=DSQRT(EN,s,d);
ENO:=DSQRTP(EN,s,d);
FBD/LD
Instruction Execution condition
DSQRT
DSQRTP
Operand Description Range Data type Data type (label)
(s) Device where the data whose square root is to be
calculated is stored 0 to 4294967295 32-bit unsigned binary ANY32
(d) Device where the obtained square root is stored

32-bit unsigned binary ANY32
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) 
*1
          
(d) 
*1
          
RnCPU RnENCPU
RnSFCPU RnSFCPU RnPCPU RnPCPU
(Standard) (Safety) (Redundant) (Process)
(s) (d)
EN ENO
d s