6. APPLICATION OF FUNCTIONS
6 - 25
(a) Reading
Since cam data is 8 Kbytes, the cam data is divided by 64 bytes and read via Modbus RTU
communication. The following shows the procedure for reading cam data with the register addresses
2D88h, 2D89h, and 2D8Bh.
N == 131? (Note)
Reading
starts.
No
N = 0
N = N + 1
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).
Reading is
completed.
Yes
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 read. Read the cam data
stored in all areas.
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