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Mitsubishi Electric RD77MS2 User Manual Page 52

Melsec iq-r simple motion module.
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■Coordinate data format
The coordinate data format is defined in coordinates of more than 2 points for one cam cycle. The coordinate data is
represented as "(Input value, Output value)".
Input value: Cam axis current value per cycle
Output value: Stroke position from cam reference position
With this format, "[Pr.441] Cam stroke amount" of output axis parameter is ignored and output value of the coordinate data
becomes cam stroke position.
Refer to the following for setting methods for cam data.
Page 54 Create Cam Data
Setting item
Setting details
Cam No.
Set the cam No.
Cam data format
Set "2".
(Setting with the engineering tool is not
required.)
Coordinate number
Set the number of coordinate points in one
cam cycle. The coordinates are included at
the 0th point.
Cam data starting
Setting is not required with coordinate data
point
format.
Coordinate data
Set all coordinate data (input value: X
output value: Y
Required to set the coordinate data (X
Y
) from the 0th point.
0
The input value should be larger than the
previous coordinate data (X
Output value: Y
[Output axis position units]
2147483647
0
(X
, Y
(Cam reference position)
0
-2147483648
When an input value that is 0 or the cam axis length per cycle does not exist in the coordinate data, the coordinate is
calculated from the line segment between the nearest two coordinates.
3 CAM FUNCTION
3.1 Control Details for Cam Function
,
n
).
n
,
0
< X
).
n
n + 1
(X
, Y
)
3
3
(X
, Y
4
(X
, Y
)
2
2
(X
, Y
)
1
1
)
0
Cam axis length per cycle [Cam axis cycle units]
Setting range
0: Linear cam
1 to 256: User created cam
2: Coordinate data format
2 to 16384
Input value:
0 to 2147483647
[Cam axis cycle units]
Output value:
-2147483648 to 2147483647
[Output axis position units]
)
4
(X
, Y
)
10
10
(X
, Y
)
5
5
(X
, Y
)
9
9
(X
, Y
)
(X
, Y
)
6
6
8
8
(X
, Y
)
7
7
Default value
Cam data
(Engineering
operation function
tool)
1
[Cd.601]
Operation cam No.
2
[Cd.604]
Cam data format
2
[Cd.605]
Cam resolution/
coordinate number
[Cd.606]
Cam data starting point
0
[Cd.607]
Cam data value
Input value: X

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