ControlLogix 5590 High Availability Systems

Optimize Performance

Apply the guidelines in this section to minimize program scan times and facilitate the fastest possible switchover.

Programming Best Practices

Use Periodic Tasks

Minimize the Number of Programs

Manage Tags for Efficient Crossloads

Use Concise Programming

Reduce Controller Communication

Use Program-scoped Tags

Minimize Data Transfer

Minimize Instruction Operation

Minimize Alarm Conditions

Provide Feedback

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