LV Edge Node

Description

LV Edge Node is the central device of the LV monitoring system at the Distribution substation. Main functions:

  • Storage of feeder meters data
  • Communication with software platform by:
    • XML reports – web services
    • Modbus TCP
  • Head of serial bus RS485 connection with feeder meters (DLMS – HDLC)
  • DC power supply for feeder meters through RS485 cable.
  • Additional features:
    • Power quality
    • Oscillography
    • Leakage current / incoming measurement

RS485 BUS Connections

Each feeder meter has two RJ45 connectors that implement the RS485 serial bus between one feeder meter and the next one with one single UTP cable.

Last feeder meter is connected to the LV Edge node with another UTP cable.

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