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6F3B0250
248
T1/T1S User’s Manual
7. Instructions
Parameter table
4 registers for
x
parameters and subsequent 4 registers for corresponding
f(x)
parameters
D0600 -2000
x
1
D0601 -100
x
2
D0602 100
x
3
D0603 2000
x
4
D0604 -1800
y
1
D0605 -300
y
2
D0606 300
y
3
D0607 1800
y
4
The FG instruction interpolators
f(x)
value for
x
based on the
n
parameters of (
x
i
,y
i
).
For example, if XW04 is 1500 (
x = 1500
), the result 1405 (
f(x) = 1405
) is stored in D0100.
Note
·
The order of the
x
parameters should be
x
1
£
x
2
£
...
£
x
i
£
...
£
x
n
. In the above example, the data
of D0600 to D0603 should be D0600
£
D0601
£
D0602
£
D0603.
·
If
x
is smaller than
x
1
,
y
1
is given as
f(x)
. In this example, D0604 data (-1800) is stored in D0100
if XW04 is smaller than D0600 (-2000).
·
If
x
is greater than
x
n
,
y
n
is given as
f(x)
. In this example, D0607 data (1800) is stored in D0100
if XW04 is greater than D0603 (2000).
·
The valid data range is -32768 to 32767.
y
(x
4
,y
4
)
1800
y = f(x)
300
(x
3
,y
3
)
x
2000100
-100
-
2000
(x
2
,y
2
)
-
300
(x
1
,y
1
)
-
1800
y
1800
1405
300
x
1500
2000100
-100
-
2000
-
300
-
1800
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