Delta C2000 series User Manual page 535

API
ATAN
135
D P
Bit Devices
X M
Y K
S
＊
D
Operands:
Please refer to the specifications of each model for the
range of operands.

S: Source device (binary floating value) D: Operation result
Explanation
 ATAN value = tan
See the figure below for the relation between the input and the result:
When X0 = ON, DATAN instruction performs arc tangent operation on the binary
Example
floating value in(D1, D0) and stores the ATAN value in (D11, D10) in binary floating
format.
X0
Word Devices
H KnX KnY KnM T
＊
-1
R
S: Input (TAN value)
R: Result (ATAN value)
2
0
-
2
D0
DATAN
D 1 D 0 Binary floating point
ATAN value
D 11
D 10
binary floating point
Chapter 16 PLC Function C2000 Series
Art Tangent
16-bit command (5 STEPS)
－
C D
＊
32-bit command
＊
DATAN
Flag signal: none
S
D10
16-88
－ － －
DATANP