Variable Frequency Drive Pre-requisites and Considerations

The following are the pre-requisites and considerations for variable frequency drives.

High Speed Trend Configuration

  • FactoryTalk Analytics GuardianAI utilizes the high-speed trend function of the variable frequency drives. This function will not be available for other application usage while FactoryTalk Analytics GuardianAI is training and monitoring the asset. A user should stop training and monitoring with FactoryTalk Analytics GuardianAI to release usage of the High-Speed data trend.
  • The data is collected for a period of 4 seconds at 1 msec increment, so 4K of data is collected in a single buffer. During that period, the frequency must be within 1/2 Hz range for each entry in the 4K buffer; otherwise, when delivered to FactoryTalk Analytics GuardianAI, it will be rejected.
  • Usage of the high-speed data trend by other applications while FactoryTalk Analytics GuardianAI is training and monitoring an asset may impact FactoryTalk Analytics GuardianAI’s performance in creating a baseline and detecting deviations.
FactoryTalk Analytics GuardianAI utilizes test point parameters to perform its high-speed trending. While FactoryTalk Analytics GuardianAI is performing training or monitoring with a drive, the following test point parameters will be unavailable for other application usage:
  • PowerFlex 755T and 6000T
    • [10:0381] Testpoint REAL 1
    • [10:0384] Testpoint REAL 2
    • [10:0387] Testpoint REAL 3
  • PowerFlex 755
    • [00:0971] Testpoint Fval 1
    • [00:0975] Testpoint Fval 2
    • [00:0979] Testpoint Fval 3

Drive Firmware Version Support

  • PowerFlex 755 firmware version 16 is not supported by FactoryTalk Analytics GuardianAI.
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