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2.1 System Configuration
2
SYSTEM CONFIGURATION
(2) Communication with a Host OPS, PC, etc.
(a) Communication via Ethernet
Communication between a host OPS, PC, etc. and redundant CPU can be
performed via Ethernet.
(b) Ethernet Modules applicable to Redundant System
Refer to Section 2.3, for Ethernet modules applicable to a redundant system.
(c) Ethernet Communication and Operations during System Switching
Refer to Section 6.2.3, for an overview of communication methods between the
OPS and PC connected to Ethernet and CPU modules of a redundant system,
and operations during system switching.
Refer to the Q Corresponding Ethernet Interface Module User's Manual (Basic),
for details.
Diagram 2.4 Connection of Redundant System to Ethernet
OPS
Personal
computer
Ethernet
System A - Control System System B - Standby System
Tracking cable
Power supply module
Power supply module
Hub
QnPRHCPU
QnPRHCPU
QJ71GP21-SX
QJ71LP21
QJ71GP21-SX
QJ71LP21
QJ61BT11N
QJ71E71
QJ61BT11N
QJ71E71
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