Local HMI - Arc protection - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Grid automation - Busbar differential protection (high impedance) - Line differential protection - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Interconnection protection - Generator protection - Power management/Load shedding - Operation Manual - REX615 Protection and control - PCL2 - IEC - ANSI - 30.10.2025

REX615 Operation Manual

The LHMI is used for setting, monitoring and controlling the protection relay. The LHMI comprises the display, buttons, LED indicators and communication port.

Figure 1. Standard size LHMI
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Figure 2. Wide size LHMI
image/svg+xmlEarth-faultprotectionVoltageprotectionFrequencyprotectionPh.unbalanceorthermalov.SynchronismOKBreaker failure protectionCBcondition monitoringSupervisionAutorecloseinprogressArc detectedOvercurrentprotectionSG1EnabledSG2EnabledSG3EnabledSG4EnabledSG5EnabledSG6EnabledDRTriggerTrip LockoutResetCB BlockBypassARDisable