8 APPLICATION INSTRUCTION
8.9 Real Number Instruction
525
8
Calculating the arc tangent of single-precision real number
ATAN(P)/DATAN(P)
These instructions calculate the angle from the tangent of the angle specified by (s), and store the operation result in the word
device specified by (d).
The ATAN(P) instructions can also be used as DATAN(P).
*1 The ATAN instruction is not supported by the ST language and the FBD/LD language. Use ATAN of the standard function.
Setting data
■
Descriptions, ranges, and data types
■
Applicable devices
Ladder diagram
Structured text
ENO:=ATANP(EN,s,d);
FBD/LD
Operand Description
Range
Data type
Data type (label)
(s)
A tangent value used in the TAN
-1
(arc tangent) operation or
head device number storing the tangent value
Single-precision real number
ANYREAL_32
(d)
Head device number for storing the operation result
-
/2 to +
/2
Single-precision real number
ANYREAL_32
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, S
T, ST, C, D, W,
SD, SW, R
U
\G
Z
LC
LZ
K, H
E
$
(s)
(d)
(s)
(d)
EN
ENO
d
s
Summary of Contents for MELSEC iQ-F FX5
Page 1: ...MELSEC iQ F FX5 Programming Manual Instructions Standard Functions Function Blocks ...
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Page 1050: ...1048 26 TIME DATA FUNCTIONS 26 4 Division MEMO ...
Page 1068: ...1066 29 COUNTER FUNCTION BLOCKS 29 4 Counter Function Block Operation error There is no error ...
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