The ABB RFO810 is a redundant fiber optic repeater module used in ABB’s Symphony Plus control systems.

• Purpose: Extends communication distances in industrial automation networks.
• Function: It amplifies and retransmits signals over fiber optic cables, allowing you to connect remote Input/Output (I/O) devices to your Symphony Plus controllers over longer distances than traditional copper cabling. This is particularly useful in large facilities where I/O devices might be spread out over a significant area.
• Key Features:
  • Redundancy: The RFO810 is designed with redundancy, meaning it has backup components to ensure continued operation even if one part fails. This enhances system reliability and minimizes downtime.
  • Supported Buses: Works with ABB’s HN800 and CW800 buses, used for communication between controllers and I/O devices in Symphony Plus systems.
  • Extended Reach: Extends communication distances up to 3 kilometers (approximately 1.8 miles) using fiber optic cables, a significant improvement over the limitations of copper cabling.

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