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3. ACCESS RANGE FOR MONITORING
3.7 Connection to the Head Module of CC-Link IE Field Network System
3.7 Connection to the Head Module of CC-Link IE Field
Network System
When connected to the head module of the CC-Link IE Field Network, the GOT can monitor the PLC CPUs of the master
station and local stations. When connecting the GOT to the head module, use the following connection methods.
Computer link connection
(1) Connect the GOT to the serial communication module (LJ71C24, LJ71C24-R2) mounted on the head module.
For cables required for connection with the serial communication module and other details, refer to the following.
7. COMPUTER LINK CONNECTION
(2) Specify a GOT type which includes MELSEC-QnU in the controller type on GT Designer3. Then, specify
[Network No. 1 (Network No. of CC-Link IE Field Network), Station No. 0 (Master station)] as the monitoring
target in the network setting of the device setting dialog box. (GT16, GT15, GT14 only)
In this case, the GOT monitoring is performed by transient transmission of the CC-Link IE Field Network.
Therefore, a longer time-lag occurs for displaying objects compared with directly monitoring the PLC CPU.
For displaying objects with a shorter time-lag, execute the cyclic transmission so that the GOT can monitor link
devices B and W of the host station set in the CC-Link field network.
For settings required for the PLC CPU, refer to the following manual.
MELSEC-L CC-Link IE Field Network Head Module User's Manual
(3) To monitor other networks, set the routing parameter to the PLC CPU as necessary. For routing
parameter setting of the PLC CPU, refer to the following manual.
MELSEC-L CC-Link IE Field Network Head Module User's Manual
Monitor target
Network No. 1, Station No. 0
Network No. 1,
Station No. 1
QJ71GF11-T2
CC-Link IE Field Network
LJ72GF15-T2
LJ71C24
GOT
Empty
Power supply
module
Power supply
module
Empty
CLP CPU
LX40C6
LY10R2
Q33B