Mitsubishi Electric QD77MS User Manual page 95

1) Operation with GX Works2
GX Works2
(Note-1): The operation from the engineering tool is executed toward cam storage area.
(Note-2): Writing to cam storage area is transmitted in the following timing.
- Power supply turn ON
- Write to cam storage area
- PLC READY signal [Y0] OFF to ON
(Note-3): Data in the cam storage area is cleared when the power supply is turned ON again or reset.
2) Operation with buffer memory
Buffer memory
[Cd.608]
Write
Cam auto-
(Note-1)
generation
request
Read/
Verify
[Cd.600]
(Note-1) Cam data
operation
request
(2: Write)
[Cd.600]
Cam data
operation request
(2: Write)
Cam storage area
Simple Motion module
Coordinate data
Stroke ratio
Auto-generation data
• Rotary cutter
Auto-generation data
• Rotary cutter
Stroke ratio
data
Coordinate data
3 - 11
Chapter 3 Cam Function
[Cd.600] Cam data operation
request (1: Read)
[Cd.600] Cam data operation
request (1: Read)
data
[Cd.608] [Cd.600]
Cam data operation
Cam auto-
generation request (3: Write)
request
Stroke ratio
data
(Note-2)
Coordinate data
(Note-2)
Cam open area
(1024k bytes)
Cam control
[Cd.600]
Cam data
operation
request
(3: Write)
(Note-3)