Flow Of I/O Data - Mitsubishi Electric MELSEC iQ-R Series User Manual

Flow of I/O data

The following figure shows the I/O communication between the RJ71DN91 (slave node) and the master node as an example.
(4)
(1)
Master function
transmit data area
Slave function
receive data
(1) Master node
(2) Slave node 1 (RJ71DN91)
(3) Slave node 2
(4) Network power supply equipment
1 FUNCTIONS
30
1.3 Slave Function (I/O Communication)
(1)
(2)
RJ71DN91
Slave function
receive data
0B00H
0B3FH
Slave function
transmit data
0C00H
0C3FH
(2)
CPU module
X
Y
(3)
(3)
Receive data
Transmit data