990-5810D-001

Connect the Modbus Cables

NOTE: Terminators for Modbus connection is provided in the installation kit 0M-99130.

Front View of the I/O Cabinet in Top Cable Entry Systems

Front View of the I/O Cabinet in Bottom Cable Entry Systems

  1. Remove the plugs from ether the top of the bottom of the I/O cabinet and install conduits.
  2. Route the cables as shown on the illustrations.
  3. Connect the Modbus cables. Use either 2–wire or 4–wire connection. Shield the cables as shown.
    NOTE: Shielded cables must be used for Modbus connections.

    2–Wire Connection with One UPS

    Example: 2–Wire Connection with Two UPSs

    Example: 4–Wire Connection with One UPS

    Example: 4–Wire Connection with Two UPSs

  4. Set the modbus dip switches to match your installation.
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