Function Block Diagram For Displaying State Of Simple Cam Control - Mitsubishi MR-JE-200A Instruction Manual

6. APPLICATION OF FUNCTIONS
(b) Writing
Since cam data is 8 Kbytes, the cam data is divided by 64 bytes and written via Modbus RTU
communication. The following shows the procedure for writing cam data with the register addresses
2D88h, 2D89h, and 2D8Bh.

6.1.8 Function block diagram for displaying state of simple cam control

ECMX
Input pulse of
synchronous encoder
ECDV
Point table command
Set "0" in Request store CAM (address: 2D88h).
Set "N" in CAM area (address: 2D89h).
Use the address 2D8Bh to read the cam data (64 bytes) in
CAM area (2D89h).
N == 131? (Note)
Note. The size of cam data is fixed to 8388 bytes. Thus, N, the setting range of the cam
storage area is 0 to 131. Only a part of cam data cannot be written. Write the cam
data stored in all areas.
Main axis current value
Main axis one cycle
current value
Clutch
Cam position
compensation
processing
6 - 26
Writing
starts.
N = 0
No
Yes
Writing is
completed.
Cam No. in execution
Cam
+
conversion
-
processing
N = N + 1
Cam axis one cycle current value
Cam standard position
Cam axis feed current value
Cam stroke amount in execution
Servo motor
+
CMX
-
CDV
Encoder
M