Description
ABB GFD233A103 3BHE022294R0103
This is a fiber optic communication module, mainly used in ABB’s flagship AC 800M series programmable logic controller (PLC) and S800 I/O series remote I/O station.

Detailed Functions & Characteristics
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Communication Protocol & Network:
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It uses the Profibus DP-V1 protocol.
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It forms part of ABB’s DrivesBus or Remote I/O Bus network. This is a master-slave network where the AC 800M controller acts as the master and the S800 I/O stations act as slaves.
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Communication Medium & Advantages:
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Fiber Optics: Compared to traditional copper cables, fiber optics offer significant advantages:
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Immunity to Electromagnetic Interference: Completely unaffected by strong EMI from sources like power plants, variable frequency drives, and large motors, ensuring signal integrity.
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Long-Distance Transmission: Supports much longer transmission distances (up to several kilometers) with minimal signal loss.
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Electrical Isolation: Provides inherent electrical isolation between devices, preventing damage caused by ground potential differences.
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High Bandwidth & Speed: Enables high-speed data exchange.
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Module Role:
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On the AC 800M controller side, it is typically installed on a communication interface module like the CI854 or CI855.
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On the S800 I/O station side, it is installed on a terminal bus unit like the TB840.
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It performs the conversion between electrical signals (from the controller or I/O modules) and light signals (transmitted over the fiber).
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Application Fields:
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This module is widely used in industrial environments demanding high reliability and noise immunity, such as:
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Power Industry (Generation, Transmission, Distribution)
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Oil & Gas
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Chemical
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Water & Wastewater Treatment
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Pulp & Paper
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Metals & Mining
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Technical Parameters (Summary)
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Product Type: Fiber Optic Link Module
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Compatible Systems: ABB AC 800M Controller, S800 I/O System
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Communication Protocol: Profibus DP-V1
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Connector Type: ST or SC Fiber Optic Interface (ST is common for this model)
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Operating Wavelength: Typically 820nm or 1300nm (refer to the manual for specifics)
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Power Supply: Powered via its parent board (e.g., CI854, TB840).
ales of the brand:
ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.
☀️Tara(Sales Director)
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🥇Product Condition: One-year warranty

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We specialize in supplying original imported spare parts for DCS, PLC, robotics, and large servo systems from leading global brands, including:
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