Omron SYSMAC CP CP1E-N@@D@-@ Manual do Utilizador descarregar pdf (Página 262)

100

101

2 Instructions

2-226

CP1E CPU Unit Instructions Reference Manual(W483)

• Using Floating-point Data

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.

C+1

C+2

C+3

C+4

C+5

C+6

C+7

C+8

C+ (4n+1)

C+ (4n+2)

C+ (4n+3)

C+ (4n+4)

C+ (4m+1)

C+ (4m+2)

C+ (4m+3)

C+ (4m+4)

R+1

S+1

APR

0.00

Fluid height = X

Fluid volume

= Y

Fluid height to volume

conversion table

(Floating-point data)

Y data range:

−∞, −3.402823 × 10

−1.175494 × 10

−38

1.175494 × 10

−38

3.402823 × 10

, or +∞

Y: Fluid volume

X: Fluid height

Linear extrapolation of table

The linear extrapolation can

provide a smooth, high-resolution

curve floating-point data is used.

High-resolution

floating point data

X0 (rightmost 16 bits)

X0 (leftmost 16 bits)

Y0 (rightmost 16 bits)

Y0 (leftmost 16 bits)

X1 (rightmost 16 bits)

X1 (leftmost 16 bits)

Y1 (rightmost 16 bits)

Y1 (leftmost 16 bits)

Xn (rightmost 16 bits)

Xn (leftmost 16 bits)

Yn (rightmost 16 bits)

Yn (leftmost 16 bits)

Xm (rightmost 16 bits)

Xm (leftmost 16 bits)

Ym (rightmost 16 bits)

Ym (leftmost 16 bits)

X data range:

−∞, −3.402823 × 10

to −1.175494 × 10

−38

1.175494 × 10

−38

to 3.402823 × 10

, or +∞

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