4.2 MELSEC Q Series
4 - 51
4
HOW T
O
MONIT
O
R REDUNT
ANT SYSTEM
The following table shows the features of each connection method.
Connection type
Before system switching
After system switching
• 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)
The monitoring target is automatically changed to the control
system PLC CPU.
• Direct CPU connection
By the MELSEC redundant setting, the GOT automatically
changes the monitoring target to the PLC CPU in the control
system.
*1
Monitor the PLC CPU of the control system by GOT1.
Monitor the PLC CPU of the control system by GOT2.
Control system
Multiplexed remote
master station
MELSECNET/H remote I/O network
Standby system
Multiplexed remote
sub master station
GOT1
Direct CPU
connection
GOT3
Ethernet
connection
GOT2
Serial
communication
connection
Remote
I/O station
Ethernet
module
Serial
communication
module
Standby system
Control system
MELSECNET/H remote I/O network
Multiplexed remote
sub master station
GOT1
Direct CPU
connection
GOT3
Ethernet
connection
GOT2
Serial
communication
connection
Remote
I/O station
Ethernet
module
Serial
communication
module
Multiplexed remote
master station
GOT
MELSECNET/H remote I/O network
Standby system
Remote I/O
station
Control
system
Multiplexed remote
master station
Multiplexed remote
sub-master station
GOT
MELSECNET/H remote I/O network
Remote I/O
station
Multiplexed remote
master station
Multiplexed remote
sub-master station
Standby system
Control
system
GOT1
GOT2
MELSECNET/H remote I/O network
Remote I/O
station
Multiplexed remote
master station
Multiplexed remote
sub-master station
Standby system
Control
system
GOT1
GOT2
MELSECNET/H remote I/O network
Remote I/O
station
Multiplexed remote
master station
Multiplexed remote
sub-master station
Standby system
Control
system
Summary of Contents for GOT2000 Series
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Page 84: ......
Page 432: ...6 58 6 6 Precautions ...
Page 578: ...9 54 9 6 Precautions ...
Page 726: ...12 84 12 5 Precautions ...
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Page 822: ...14 66 14 4 Device Range that Can Be Set ...
Page 918: ...15 96 15 7 Precautions ...
Page 930: ...16 12 16 6 Precautions ...
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Page 1002: ...19 38 19 7 Precautions ...
Page 1022: ...20 20 20 5 Precautions ...
Page 1023: ...MULTI CHANNEL FUNCTION 21 MULTI CHANNEL FUNCTION 21 1 ...
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Page 1054: ...21 30 21 5 Multi channel Function Check Sheet ...
Page 1055: ...FA TRANSPARENT FUNCTION 22 FA TRANSPARENT FUNCTION 22 1 ...
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