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MELSEC-
A
7 MEMORY CONFIGURATION AND DATA PROCESS
(4) Data read from D75P2 ( )
(a) Read from D75P2 buffer memory
Using the RIRD command*2 (transient transmission), read data from the
buffer memory to the PLC CPU.
(b) Read from D75P2 remote register
Using the FROM command (automatic refresh*4), read data from the
remote register to the PLC CPU .
(5) Flash ROM request (reading) ( )
The following transmission process is carried out with the "flash ROM request"
from the peripheral device.
1) The "parameters", "positioning data (No. 1 to 600)", and "positioning start
information (No. 7000 to 7010)" in the flash ROM is transmitted to the OS
memory.