Omron CJ - INSTRUCTIONS REFERENCE MANUAL 07-2009 Reference Manual page 490

• 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:
38
, 3.402823 10 to
38
1.175494 10 ,
38
1.175494 10 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:
1.175494
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
38
, 3.402823 10 to 1.175494 10
38 38
10 to 3.402823 10 , 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
453