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Create Cam Data; Memory Configuration Of Cam Data - Mitsubishi Electric QD77MS User Manual

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3.2 Create cam data

3.2.1 Memory configuration of cam data

Cam data is arranged in the following 2 areas.
Memory
configuration
Cam storage
area
Cam open
area
Previously written cam data can be used after turning the power supply OFF by writing data
in the cam storage area. Cam data should be written in the cam storage area for normal use.
It is possible to write directly to the cam open area via buffer memory when registering cam
data that exceeds the memory capacity in the cam storage area, etc. (Refer to Section 3.2.2
"Cam data operation function".) Writing must be executed to the cam open area due to
clearing the data at the power supply OFF.
Storage item
Data is written by the following operations.
• Write with GX Works2
Cam data
• When executing "write (Cam storage area)" with the
cam data operation function
Cam auto-generation
Data is written when the cam auto-generation request
data
is executed. (Cam auto-generation function)
Cam data is transmitted from the cam storage area by
the following operations.
• Power supply turn ON
• Write to the cam storage area
Cam data
• PLC READY signal [Y0] OFF to ON
• When specifying the cam open area with the cam
data operation function
• When executing the cam auto-generation function
Details
3 - 10
Chapter 3 Cam Function
Remark
• Data is preserved
even when turning
the power supply
OFF.
• Data is lost when
turning the power
supply OFF.
• The cam data that
is used in cam
control is stored.

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