6. REDUNDANCY WITH NX3030 CPU
Figure 179: Hardware Initial Configuration
After, the user must define the communication networks used in the redundant application:
Select device category: NX3030 can be selected from two categories All Devices or Modular Controllers
Select the number of PROFIBUS networks: By the Wizard, can be created up to four PROFIBUS networks, and they
can be single or redundant. It is important stress that this architecture proposed by the Wizard is typical. After that, can
be created more PROFIBUS networks, respecting the maximum limit of four PROFIBUS Master modules, NX5001, in
each half-cluster
Choose the type of PROFIBUS networks:
• There’s none (no NX5001 module allocated)
• Single Network (allocates one NX5001 module)
• Redundant Network (allocates two NX5001 modules)
Choose the type of Ethernet network of the CPU
• Single Network with Failure Mode Disabled (do not generates switchover in failure case)
• Single Network with Failure Mode Enabled (generates switchover in failure case)
• Redundant Network with Failure Mode Disabled (operates in conjunction with the other interface and do not
generates switchover in failure case)
• Redundant Network with Failure Mode Enabled (operates in conjunction with the other interface and generates
switchover in failure case)
Choose the amount of Ethernet networks: In this case the Wizard allows the user to create up to four single networks, or
up to three redundant networks, or none. It’s important to stress that this is only the architecture proposed by the Wizard.
After that, MasterTool allows the creation up to six networks total (three redundant maximum), always respecting the
maximum limit of six Ethernet modules, NX5000, in each half-cluster.
Select the Ethernet network type:
• There’s none (no NX5000 module allocated)
• Single Network with Failure Mode Disabled (allocates one NX5000 and do not generates switchover in failure
case)
• Single Network with Failure Mode Enabled (allocates one NX5000 and generates switchover in failure case)
• Redundant Network with Failure Mode Disabled (allocates two NX5000 and do not generates switchover in failure
case)
• Redundant Network with Failure Mode Enabled (allocates two NX5000 and generates switchover in failure case)
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