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Create Cam Data; Memory Configuration Of Cam Data - Mitsubishi Electric RD77MS2 User Manual

Melsec iq-r simple motion module.
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3.2

Create Cam Data

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. (Page 56 Cam data operation function) Writing must be executed to the cam open
area due to transmitting from the cam storage area when turning the power supply ON again, updating the cam storage area,
or turning the PLC READY signal [Y0] OFF to ON.
1) Operation with an engineering tool
Engineering tool
*1 Write/read/verify from the engineering tool is executed toward cam storage area.
*2 The directly writing in cam open area is not transmitted to cam storage area. The data in cam open area will be returned as cam storage
area such as the power supply ON again.
3 CAM FUNCTION
3.2 Create Cam Data
Storage item
Cam data
Cam auto-generation data
Cam data
2) Operation with buffer memory
Buffer memory address
Write (Cam storage area)
/Cam auto-generation
Write
*1
Cam storage area
(256k bytes)
Read/
*1
Verify
Transmit in the following timing.
• Power supply turn ON
• Write to cam storage area
• PLC READY signal [Y0]
OFF to ON
Details
Data is written by the following
operations.
• Write with the engineering tool
• When executing "write (Cam
storage area)" with the cam data
operation function.
Data is written when the cam auto-
generation request is executed. (Cam
auto-generation function)
• Cam data is transmitted from the
cam storage area, when turning
the power supply ON, writing to the
cam storage area, or turning the
PLC READY signal [Y0] OFF to
ON.
• Writing to the cam open area is
possible through the cam data
operation function.
• Cam data that is generated by the
cam auto-generation function is
stored.
Simple Motion module
Write (Cam open area)
Cam open area
(1024k bytes)
Cam control
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.
Read
*2

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