Mitsubishi Electric MELSEC iQ-R C R12CCPU-V User Manual page 93

Direct access
This method is used for direct access to devices in a network module from a user program. The link device data in the network
module is transmitted cyclically to another station.
C Controller module
User program
Buffer memory access
This method is used to access the buffer memory of a network module from a user program. The data in the buffer memory is
refreshed with link devices and transmitted cyclically to another station.
C Controller module
User program
CC-Link IE Field
Network module
Link device
Direct access
RX
RY
Link device
Buffer memory access
RX
RY
RWw
RWr
SB
SW
CC-Link IE Field
Network module
Buffer memory
RWw
RWr
SB
SW
5 ACCESS FUNCTION USING NETWORK MODULE
5.4 Access Function of Each Network Module
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