Protection Setting

The Protection Setting window contains the parameters to safeguard the TeSys Tera system.

The following sub-sections are available:

• Motor Protection: Contains the configurable motor protection parameters.

  

  The motor protection parameters are classified into the following sub-sections:

  • Thermal Overload

  • Locked Rotor

  • Stall Rotor

• Current Protection: Contains the configurable current protection parameters.

  

  The current protection parameters are classified into the following sub-sections:

  • Definite Time Overcurrent

  • Normal Inverse Overcurrent

  • Short Time Overcurrent

  • Phase Under Current

  • Calculated Ground Fault

  • Measured Ground Fault

  • Current Imbalance

  • Current Phase Reversal

  • Current Phase Loss

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  NOTE: The sub-sections available under Current Protection is dependent on the type of sensor module and the value of Number of Phases selected.

• Voltage Protection: Contains the configurable voltage protection parameters.

  

  The voltage protection parameters are classified into the following sub-sections:

  • Phase Under Voltage

  • Phase Over Voltage

  • Voltage Imbalance

  • Voltage Phase Reversal

  • Voltage Phase Loss

  NOTE:

  • Voltage Protection settings are available only for LTMTCTV sensor modules.

  • The sub-sections available under Voltage Protection is dependent on the value of Number of Phases selected.

• Power Protection: Contains the configurable power protection parameters.

  

  The power protection parameters are classified into the following sub-sections:

  • Over Power

  • Under Power

  • Over Frequency

  • Under Frequency

  • Under Power Factor

  NOTE:

  • Power Protection settings are available only for LTMTCTV sensor modules.

• Temperature Protection: Contains the configurable temperature protection parameters.

• Additional Function: Contains the configurable additional function parameters.

  

  The parameters are classified into the following categories:

  • Maximum Number of Starts

  • Voltage Dip

  • Anti-Backspin Timer

  • Motor Stop Error Detection

  • Block Output

  • Device Internal

• DI Interlock Protection: Contains the configurable digital input interlock protection parameters.

• AI Protection: Contains the configurable analog input protection parameters. The AI Protection parameter is available only when LTMTAN21 expansion module is configured in the My Device tab. Two analog inputs are available per device for configuration.

• AO Settings: Contains the configurable analog output protection parameters. The AO Settings parameter are available only when LTMTAN21 expansion module is configured in the My Device tab. One analog output is available per device for configuration.

• Hysteresis Setting: Contains the configurable hysteresis parameters.