Mitsubishi Electric MELIPC MI5000 Series User Manual page 78

7
CC-Link IE Field Network Basic FUNCTION
Function that uses the FA network over general-purpose Ethernet, using this product's Ethernet port (CH1).
7.1
Cyclic Transmission
A link device (RX, RY, RWr, and RWw) is used to periodically exchange data between master station and slave stations.
Data flow and link device assignment
This shows the data flow between master station and slave station through a link device.
(1)
Ô
(6)
Õ
(6)
: Transmission area to other station
(1) Master station
(2) Slave station 1
(3) Slave station 2
(4) Slave station 3
(5) Link scan
(6) Device
The order of slave stations is the same as the one set in the network configuration settings. ( Page 177
Network Configuration Settings)
• At input from slave station
 The slave station link device (RX, RWr) status is output to external devices.
 The slave station link device (RX, RWr) status is stored in the master station link device (RX, RWr) using link scan.
 The status of the link device (RX, RWr) of the master station is stored to a device of the master station by a link refresh.
• At output from master station
 The status of the device of the master station is stored to the link device (RY. RWw) of the master station by a link refresh.
 The master station link device (RY, RWw) status is stored in the slave station link device (RY, RWw) using link scan.
 The slave station link device (RY, RWw) status is output to external devices.
7 CC-Link IE Field Network Basic FUNCTION
76
7.1 Cyclic Transmission
RX, RWr
(2) Ó
Ó
(3)
(4) Ó
(5)
RY, RWw
Ö
(2)
Ö
(3)
Ö
(4)
(2) (3)
RX, RWr
RX, RWr
RY, RWw
RY, RWw
(4)
Ò
RX, RWr
×
RY, RWw