Square Root Operation For Floating-Point Data (Double Precision) (Sqrd(P)) - Mitsubishi MELSEC Q Series Programming Manual

SQRD(P)
7.12.20
Square root operation for floating-point data
(Double precision) (SQRD(P))
SQRD(P)
SQRD
SQRDP
Setting
Data
S
D
Function
(1) Returns the square root of the value designated at
device number designated at
(2) Only positive values can be designated by
numbers.)
(3) When the operation results in -0 or an underflow, the result is processed as 0.
Operation Error
(1) In any of the following cases, an operation error occurs, the error flag (SM0) turns ON, and
an error code is stored into SD0.
• The value designated by
• The value of the specified device is not in the following range:
0,2
• The value of the designated device is
• The result exceeds the following range (Operation results in an overflow):
1024
2
7-288
Command
Command
: Data of which the square root is obtained or head number of the devices where the data is stored
S
(real number)
: Head number of the devices where the operation result will be stored (real number)
D
Internal Devices
R, ZR
Bit Word
––
––
D
S +3 S +2 S +1
(
64-bit floating-point
real number
is a negative number.
S
-1022
| value of specified device | < 2
| Operation result |
High
Basic
performance
SQRD
SQRDP
J \
U \G
Bit Word
––
––
, and stores the operation result in the
S
.
S D +3 D +2
)
64-bit floating-point
real number
. (Operation cannot be performed on negative
S
1024
0.
Process
Redundant Universal
S D
S D
Constants
Zn Other
E
––
–– ––
D +1 D
(Error code: 4100)
(Error code: 4140)
(Error code: 4140)
(Error code: 4141)
LCPU