Predictive Maintenance

The overall goal of the predictive maintenance function is to enable regular maintenance of drives, motors, and machines. The predictive maintenance function uses prior usage patterns to calculate the component lifespan. For firmware revisions 10.xxx and later, see Predictive Maintenance CIP Objects.
For
PowerFlex®
755T products that are running firmware revision 6.xxx or earlier, the predictive maintenance function uses parameters to monitor the lifespan of various components. See the PowerFlex Drives with TotalFORCE Control Programming Manual for firmware revisions 1.xxx…6.xxx, publication 750-PM100 for detailed information.
The predictive maintenance function allows you to set the event action and event levels. The event level changes how much of the total life of a component is consumed before the predictive maintenance function notifies you to replace the component.
The predictive maintenance function can monitor the following components:
  • Insulated gate bipolar transistors (IGBTs)
  • Fans and blowers
  • DC bus capacitors
  • Circuit breakers
  • LCL capacitors
  • Filters (airflow health)
The predictive maintenance function calculates the remaining life of components. The calculation is based on the following application factors:
  • Temperature
  • Air quality
  • Airflow
  • Voltage
  • Runtime
  • Cycles
  • Drive size
In each of the predictive maintenance functions, there are several parameters that are used to configure levels, actions, inputs, and outputs. The following sections describe those functions and parameters. The following descriptions are the same for all parameters. For example, Event Level functions are the same for all parameters, in that it determines when the event that it is monitoring occurs based on the percentage of life used.
For firmware revisions 10.xxx or later, the remaining life of components with predictive maintenance appear on the Predictive Maintenance page in the Device Details window in
Connected Components Workbench
software and the Drive Details window in the
Studio 5000 Logix Designer®
application.
Connected Components Workbench - Predictive Maintenance Page
An example of a PowerFlex 755TS drive's predictive maintenance page in Connected Components Workbench software.
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