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29 Applied Instructions (Data Table Operation)
29.7 SCL2 / Scaling 2 (Coordinate by X/Y Data)
706
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
Error
An operation error is caused in the following cases. The error flag M8067 turns ON, and the error code is
stored in D8067.
1) When the Xn data is not set in the ascending order in the data table (error code: K6706)
The data table is searched from the low-order side of device numbers in the data table in the operation.
Accordingly, even if only some Xn data is set in the ascending order in the data table, the instruction is
executed without operation error up to the area of the data table in which the Xn data is set in the
ascending order.
2) When the device specified by is outside the data table range (error code: K6706)
3) When the value exceeds the 32-bit data range in the middle of operation (error code: K6706)
In this case, check whether the distance between points is not "65535" or more.
If the distance is "65535" or more, reduce the distance between points.
Program example
In the program example shown below, the value input to D0 is processed by scaling based on the conversion
table for scaling set in R0 and later, and output to D10.
Program
Operation
Conversion setting data table for scaling
Set item Device
Setting
contents
Number of coordinate points R0 K6
X coordinate
Point 1 R1 K0
Point 2 R2 K10
Point 3 R3 K30
Point 4 R4 K40
Point 5 R5 K50
Point 6 R6 K60
Y coordinate
Point 1 R7 K0
Point 2 R8 K50
Point 3 R9 K100
Point 4 R10 K45
Point 5 R11 K30
Point 6 R12 K0
M8000
SCL2
EN
s1
ENO
d
s2
D0
R0
D10
[Structured ladder/FBD] [ST]
SCL2(M8000,D0,R0,D10);
Input value(D0)=7
Output value
(D10)=35
Point 1
(0,0)
X
Y
Point 2
(10,50)
Point 3
(30,100)
Point 4
(40,45)
Point 5
(50,30)
Point 6
(60,0)