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MELSEC-Q
3 WHEN COMMUNICATING WITH MELSECNET/H, MELSECNET/10
RELAY
(4) Using the example of a system shown below, the accessible stations and the
stations that require parameter settings when an opposite device or QCPU access
other stations are explained.
Stations that require the setting of the "setting the Ethernet router relay
parameter" as mentioned in Section 5.3 of the User's Manual (Basic) are also
shown.
Ethernet
module
QCPU
External device
External device
Ethernet
Ethernet
module
QCPU
Ethernet
module
External device
External device
Ethernet
QCPU
Ethernet
module
Network
module
MELSECNET/H, MELSECNET/10
QCPU
Network
module
Network
module
MELSECNET/H, MELSECNET/10
QCPU
Network
module
Ethernet
module
External device
Router
Ethernet
External device
Ethernet
module
QCPU
Ethernet
1)
7)
2)
3)
4)
5)
6)
Access destination
Accessible/not accessible
combination
1)
2)
3)
4)
5)
6)
1)
2)
3)
4)
5)
6)
Access source
7)
: Accessible : Not accessible
: Accessible (The number of access points, etc., is restricted.)
