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Mitsubishi Electric RD77MS2 User Manual Page 57

Melsec iq-r simple motion module.
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Cam data operation with an engineering tool
Cam data can be modified while viewing the waveform with the engineering tool.
The cam data is written/read/verified to the cam storage area with the engineering tool, however it cannot be executed to the
cam open area.
The waveform generated by the cam auto-generation function can be confirmed on the "Cam graph" of the "Cam data
window" through reading with the engineering tool.
Cam data operation with buffer memory
It is possible to specify the area where cam data is written. The cam data is read from the cam open area. (Page 56 Cam
data operation function)
With the cam auto-generation function, auto-generation data is saved in the cam storage area, and the cam data is generated
into the cam open area.
Cam data capacity
The size of the created cam data is shown below for the cam storage area/cam open area.
Operation method
Create with an engineering tool
Create in cam storage area with cam
data operation function
Create in cam open area with cam
data operation function
Create with cam auto-generation
When writing with the cam data operation function or when the cam auto-generation function is executed, the writing area free
capacity size may decrease since the size changes depending on the cam resolution change, etc. In this case, write the cam
data with the engineering tool or delete them once.
Delete method of cam data
The data of cam storage area/cam open area can be deleted (initialize) by the parameter initialization function with a
parameter setting and positioning data. The parameter initialization function is executed by setting "1" in "[Cd.2] Parameter
initialization request".
Write the empty data in the cam storage area with the engineering tool to delete only cam data.
Password protection for cam data
The cam data can be protected as shown below by password setting.
Password setting
Password for read protection
Password for write protection
The password for cam data is deleted with cam data by "[Cd.2] Parameter initialization request".
Data method/Auto-generation
type
Stroke ratio data format
Coordinate data format
Stroke ratio data format
Coordinate data format
Stroke ratio data format
Coordinate data format
For a rotary cutter
Cam data operation with an engineering
tool
Cam data cannot be read without password for
read protection.
Cam data cannot be written without password for
write protection.
Cam storage area
(262144 bytes)
Cam resolution  4 bytes
Coordinate number  8 bytes
Cam resolution  4 bytes
Coordinate number  8 bytes
0 byte
28 bytes
Cam data operation with buffer memory
Reading cam data is not operated.
Writing cam data and generating cam data auto-
generation is not operated.
Cam open area
(1048576 bytes)
Cam resolution  4 bytes
Coordinate number  8 bytes
Cam resolution  4 bytes
Coordinate number  8 bytes
Cam resolution  4 bytes
Coordinate number  8 bytes
Cam resolution  4 bytes
3 CAM FUNCTION
3.2 Create Cam Data
3
55

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