Communications

  • Reserve 20% or more of the controller's memory to accommodate communications and changes in future Logix controller firmware releases.
  • Use rack optimized communication formats for digital I/O modules to minimize amount of controller memory and communications overhead associated with these modules.
  • Use the CPS instruction to provide buffering of communications and I/O data to minimize impact of asynchronous data arrival.
  • On download, if the ControlNet schedule stored in the offline RSLogix 5000 project file is old, RSLogix 5000 will retrieve the latest ControlNet schedule from the associated RSNetWorx project file. To make an association to an RSNetWorx project file, use the RSNetWorx tab in the Module Properties dialog of the ControlNet scanner.
  • When working with multiple controller projects in different chassis, use RSLinx shortcuts to identify those chassis with meaningful names.
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