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6F3B0253
230 T1-16S 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