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ABB RFO810｜Fiber Optic Repeater Module｜
Power Supply and Power Consumption
The module uses a standard 24 V DC power supply with an input voltage range of 21.6–28 V DC. Typical operating current is 90 mA, with a maximum of 100 mA, ensuring very low power consumption and minimal impact on the overall power load of industrial control systems.
Communication Performance
The communication rate is fixed at 4 Mbit/s, operating with 62.5/125 μm multimode fiber. The optical signal wavelength is 840 nm, and the fiber provides a transmission bandwidth of 160 MHz/km. Under these conditions, the communication distance of the HN800 or CW800 bus can be extended to 3 km. Proper bus termination requires the use of HBX01L/HBX01R modules to ensure stable and reliable operation.
Size and Installation
The typical module dimensions are 250 mm × 80 mm × 200 mm, and it supports installation on a 35 mm standard DIN rail, enabling easy integration into a wide range of industrial distribution cabinet layouts. This design significantly simplifies installation and reduces maintenance complexity.
Environmental Adaptability
The operating temperature range is 0 °C to 55 °C, with certain channels rated for wide-temperature operation from –25 °C to +70 °C. Storage temperature tolerance extends from –40 °C to +85 °C. The module can operate reliably in non-condensing humidity conditions from 20% to 95% RH. A protective coating on the module surface enhances resistance to harsh industrial environments and improves long-term durability.
ABB RFO810｜Fiber Optic Repeater Module｜
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By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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