Mitsubishi Electric GOT2000 Series Connection Manual page 227

The following table shows the features of each connection method.
Connection type
• Direct CPU connection
(Remote I/O station of
MELSECNET/H
network system)
• Serial communication
connection
(Serial communication
module mounted on
the remote I/O station
on MELSECNET/H
network system)
• Ethernet connection
(Ethernet module
mounted on the remote
I/O station of the
MELSECNET/H
network system)
• Direct CPU connection
Monitor the PLC CPU of the control system by GOT1.
Before system switching
Control system Standby system
Multiplexed remote Multiplexed remote
master station sub master station
MELSECNET/H remote I/O network
Serial
Remote Ethernet
communication
I/O station module
module
GOT1 GOT2
Direct CPU Serial
connection communication
connection
GOT
Control
system Standby system
Multiplexed remote Multiplexed remote
master station sub-master station
MELSECNET/H remote I/O network
Remote I/O
station
GOT1
GOT2
Control
Standby system
system
Multiplexed remote Multiplexed remote
master station sub-master station
MELSECNET/H remote I/O network
Remote I/O
station
Standby system
Multiplexed remote
master station
MELSECNET/H remote I/O network
Remote
I/O station
GOT1
GOT3
Direct CPU
connection
Ethernet
connection
The monitoring target is automatically changed to the control
system PLC CPU.
GOT
Standby system
Multiplexed remote
master station
MELSECNET/H remote I/O network
Remote I/O
station
By the MELSEC redundant setting, the GOT automatically
changes the monitoring target to the PLC CPU in the control
*1
system.
GOT1
Standby system
Multiplexed remote
master station
MELSECNET/H remote I/O network
Remote I/O
station
Monitor the PLC CPU of the control system by GOT2.
4.2 MELSEC Q Series
After system switching
Control system
Multiplexed remote
sub master station
Serial
Ethernet
communication
module
module
GOT2 GOT3
Serial Ethernet
communication connection
connection
Control
system
Multiplexed remote
sub-master station
GOT2
Control
system
Multiplexed remote
sub-master station
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