Updating REX640 license and software - Arc protection - Auto synchronization - Bay control and measurement - Merging unit - Transformer protection - 2 winding - Feeder protection - Voltage regulation - Capacitor bank protection - Petersen Coil control - Grid automation - Busbar differential protection (high impedance) - Back-up protection - Motor protection - Busbar protection (voltage and frequency) - Transformer protection - 3 winding - Interconnection protection - Generator protection - Power management/Load shedding - Modification Sales Guideline - REX640 Protection and control - Relion Protection and Control - PCL4 - IEC - ANSI - 16.02.2023

REX640 Modification Sales Guideline

  1. Connect the relay to a computer with PCM600 using an Ethernet cable. It is recommended to disconnect/disable all the other wired and wireless network connections of the computer except the one used in connecting to the relay.
    • If the LHMI is in use and is connected to relay, connect the cable to Service port X1.2 of the LHMI. Service port X1.2 has DHCP service and IP address is obtained automatically.

      Figure 1. Local HMI connectors
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