Atan2 (Conversion: Coordinate Data → Angle Radian) - Panasonic FP7 Series Command Reference Manual

11.7 ATAN2 (Conversion: Coordinate Data → Angle Radian)
■
Ladder diagram
■
Available operation units (●: Available)
Operatio
bit
n unit
i
■
List of operands
Operand Description
S1 Dividend of angle data (device address or constant) (Y coordinate)
S2 Angle data divisor (device address or constant) (X coordinate)
D Calculation result (device address) (units: radian)
■
Available devices (●: Available)
Operan
d
W W
X Y
S1 ● ●
S2 ● ●
D ● ●
(Note 1) Only 16-bit devices, and 32-bit devices can be modified (real number constants cannot be specified).
(Note 2) Index register (I0 to IE)
(Note 3) Can be specified only when the operation unit is a single-precision floating point real number (SF).
(Note 4) Can be specified only when the operation unit is a double-precision floating point real number (DF).
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Outline of operation
● According to the operation unit [i], ATAN (units: radian) is calculated from the Y coordinate
specified by [S1] and the X coordinate specified by [S2].
● The calculation result is stored in the area starting with [D].
ATAN2([S1], [S2]) → [D]
WUME-FP7CPUPGR-12
11.7 ATAN2 (Conversion: Coordinate Data → Angle Radian)
US
16-Bit device:
W W W S D L
R L S D T D
● ● ● ●
● ● ● ●
● ● ● ●
SS UL
32-Bit
device:
TS TE
U W
WI
C C
M O
S E
● ● ● ● ●
● ● ● ● ●
● ● ● ●
SL SF
●
Real
Integer numbe
r
IX SF
(N (N
(N
K Ｕ H
ote ote
ote
2) 3)
● ●
● ●
●
DF
●
St
rin
g
Index
modifie
D
r
F
(Note 1)
" "
4)
● ●
● ●
●
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