Mitsubishi Electric Melsec QJ71LP21 - Page 362

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MELSEC-Q
7 APPLICATION FUNCTIONS
(1) Configuring a MELSECNET/H network including a redundant
system
When configuring a MELSECNET/H network including a redundant system or
when connecting a redundant system to an existing MELSECNET/H, follow the
restrictions shown below.
(a) When configuring a new MELSECNET/H network including a redundant
system
To configure a new MELSECNET/H network including a redundant system,
use the following network modules and GX Developer.
Standby system
(system B)
Q25H
CPU
Control
station
Q25H
CPU
Normal
station
Control system
(system A)
Power supply module
Redundant
CPU
Normal
station
Tracking cable
[Setting of the redundant CPUs]
1) Install a network module of function version D or
later to each of the redundant CPUs.
2) Set the parameters for the redundant system using
GX Developer of version 8.18U or later.
[Setting when using a CPU other than the
redundant CPUs as the control station]
1) Use a network module of function version D or later
for the control station.
2) Set the parameters for the control station using GX
Developer of version 8.18U or later.
Power supply module
Redundant
CPU
Normal
station
Power supply module Power supply module