Mitsubishi Electric MELSEC FX3U Programming Manual page 713

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
3. Setting the conversion table for scaling
The conversion table for scaling is set based on the data table stored in a device specified in [
] and later.
S
2
The data table has the following configuration:
Set item
Number of coordinate points
Point 1
Point 2
Point n (last)
Setting example of the conversion table for scaling
A setting example for the 16-bit operation is shown below.
For the 32-bit operation, set each item using a 32-bit binary value.
In the case of the conversion characteristics for scaling shown in the figure below, set the following data table.
Y
Point 2
(20,30)
Point 1(5,7)
16-bit operation
S
2
X coordinate
S +1
2
Y coordinate
S +2
2
X coordinate
S +3
2
Y coordinate
+4
S
2
X coordinate
+2n-1
S
2
Y coordinate
+2n
S
2
Point 6(200,250)
Point 3
(50,100)
Point 5
(200,70)
Point 4(200,25)
29 Data Table Operation – FNC250 to FNC269
29.4 FNC259 – SCL / Scaling (Coordinate by Point Data)
→ For a setting example, refer to the next page.
Device assignment in setting data table
32-bit operation
[ S +1, S
2 2
[ S +3, S
2 2
[ S +5, S
2 2
[ S +7, S
2 2
[ +9,
S S
2 2
[ +4n-1,
S
2
[ +4n+1,
S
2
Point 7
(250,90) Point 8(350,90)
Point 9
(350,30)
]
+2]
+4]
+6]
+8]
+4n-2]
S
2
+4n]
S
2
Point 10(400,7)
X
21
+1,
S
2
22
23
24
25
26
27
28
29
30
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