Omron SYSMAC CS Series Instruction & Reference Manual page 411

• Using Floating-point Data (CJ2, CS1-H, CJ1-H, CJ1M, and CS1D Only)
In this example, APR(069) is used to convert the fluid height in a tank to fluid volume based on the
shape of the holding tank.
Y data range:
−∞, −3.402823 × 10
38
to
−1.175494 × 10 −38
,
1.175494 × 10 −38
to
3.402823 × 10
38 , or +∞
High-resolution
floating point data
CS/CJ/NSJ Series Instructions Reference Manual (W474)
Fluid volume
= Y
0.00
APR
C
S
R
Y: Fluid volume
Y
m
R
R+1
Y
0
0
X
0
X data range:
−∞, −3.402823 × 10
1.175494 × 10
Fluid height to volume
conversion table
(Floating-point data)
Fluid height = X
to
C+ (4n+1)
C+ (4n+2)
C+ (4n+3)
C+ (4n+4)
to
C+ (4m+1)
C+ (4m+2)
C+ (4m+3)
C+ (4m+4)
Linear extrapolation of table
X: Fluid height
S
S+1
to −1.175494 × 10
38
−38
to 3.402823 × 10
38
, or +∞
3. Instructions
C+1
X0 (rightmost 16 bits)
C+2
X0 (leftmost 16 bits)
Y0 (rightmost 16 bits)
C+3
C+4
Y0 (leftmost 16 bits)
C+5
X1 (rightmost 16 bits)
C+6
X1 (leftmost 16 bits)
C+7 Y1 (rightmost 16 bits)
Y1 (leftmost 16 bits)
C+8
to
Xn (rightmost 16 bits)
Xn (leftmost 16 bits)
Yn (rightmost 16 bits)
Yn (leftmost 16 bits)
to
Xm (rightmost 16 bits)
Xm (leftmost 16 bits)
Ym (rightmost 16 bits)
Ym (leftmost 16 bits)
The linear extrapolation can
provide a smooth, high-resolution
curve floating-point data is used.
X
m
−38
,
3
377