Delta MH300 Series - Page 950

Chapter 16 PLC Function ApplicationsMH300
16-87
API
ACOS
Find the arccosine of a binary floating point number
134
D
P
bit device
Word device
16-bit command
－
－
－
－
32-bit command (9 STEP)
DACOS
Continuous
execution type
DACOS
P
Pulse
execution type
Flag signal: none
X
Y
M
K
H
KnX
KnY
KnM
T
C
D
S
＊ ＊ ＊
D
＊
Notes on operand usage:
R
efer to the function specifications table for each device in series for
the scope of device usage

S: the designated source (binary floating point number). D: the ACOS value result.
 ACOS value =cos
-1
The figure below shows the relationship between input data and result:
 When X0=ON, finds the ACOS value of the designated binary floating point
number (D1, D0) and stores the result in (D11, D10), as a binary floating point
number.
X0
DACOS D0 D10
R
S
2
0
1,0-1,0
S: Input (COS value)
R: Result (ACOS value)
D 1 D 0
D 10
ACOS value
Binary floating point
D 11