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overview：
The ABB 1KGT011800R5001 23OK24 Fiber Optic Coupler is a dedicated serial communication optical conversion module developed for ABB power automation and substation control systems. This industrial fiber optic coupler realizes bidirectional conversion between electrical serial bus signals and optical signals, solving common on-site problems including electromagnetic interference, ground loop current and signal attenuation caused by long-distance copper cable transmission in high-voltage industrial environments.
Designed for glass fiber cable transmission, the 23OK24 serial communications fiber coupler supports signal conversion for RS-232, RS-485 and RTU560 SPB I/O bus interfaces. It provides full electrical isolation between control cabinets, stabilizing serial data transmission in substations, thermal power plants and petrochemical automation cabinets.
Fuctions & Features:
- Supports RS-232, RS-485 and RTU560 SPB I/O bus signal conversion, matching mainstream ABB substation and power plant serial communication protocols
- Full electrical isolation via optical transmission medium, cutting off ground loop interference and common-mode noise in high electromagnetic industrial sites
- Equipped with BFOC/2.5 bayonet optical sockets complying with IEC 874-10 standard, supporting quick and stable fiber connection
- Built-in optical amplification function to compensate optical signal loss and maintain stable serial communication quality for long-distance transmission
- Conforms to IEC 60870-5-103 industrial communication standards and IEC 61000 EMC electromagnetic compatibility specifications
- Plug-and-play compatibility with legacy 23OK series modules, no wiring modification required for on-site replacement
Specification:
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FAQ
Q: What is the primary function of the ABB 1KGT011800R5001 23OK24 fiber-optic coupler?
A: The 23OK24 fiber-optic coupler converts serial bus electrical signals into optical signals to enable long-distance transmission. It provides complete electrical isolation, thereby eliminating ground loops and electromagnetic interference in industrial serial communication systems.
Q: What type of fiber and interface does this module use?
A: The module operates at an optical wavelength of 820 nm, is compatible with 200 μm optical fiber, and features a BFOC/2.5 bayonet-style interface compliant with the IEC 874-10 standard.
Q: Can this module isolate high-frequency electromagnetic interference?
A: Utilizing purely optical signal transmission with no conductive paths, the module isolates common-mode interference and ground loop currents, meeting IEC 61000 EMC immunity requirements for power industry environments.
Q: How can the operating status of the fiber-optic coupler be checked?
A: Six independent LED indicators on the front panel display power status, optical link connectivity, and real-time data transmission status, facilitating quick troubleshooting.
Q: Does this module feature optical signal amplification?
A:Built-in optical amplification circuitry compensates for signal loss during long-distance fiber transmission, ensuring the stability of serial data communication.
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