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Recent content by FrischEng

  1. FrischEng

    VFD Comm

    Does anyone know of any company that reviews/compares the different VFD brands?
  2. FrischEng

    VFD Comm

    Terminations shouldn't be an issue. I will simply make all connections with Cat-5 cables with RJ-45 connectors - just plug it in to the N-TRON managed switch on one end, and to the drive at the other end. But I havn't found any positive reviews on communication directly to VFD's, so I mulling...
  3. FrischEng

    VFD Comm

    I am implementing motor controls in a new treatment plant, that consists of a variety of VFD’s, Soft Starters, and across the line starters. Since this is a new plant, I am considering using communicating with my VFD’s and soft starters using Ethernet/IP rather than the digital and analog PLC...
  4. FrischEng

    Dual Antnenna Installation Configuration

    I have a telemetry communication application that requires 2 antennas to be mounted on the same mast. The radio modems are low power (1 watt) unlicensed units operating in the 902 ~ 928MHz frequency range. I am looking for some guidelines as to the required vertical and horizontal separation...

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