BC810K02 3BSE038684R2 ABB AC 800M bus coupler module S800 I/O system

Product Overview

The ABB BC810K02 is a high-performance Bus Coupler module specifically designed for the ABB AC 800M automation control system, used to connect the ModuleBus communication network between the S800 series remote I/O station and the AC 800M controller. This module supports dual redundant optical fiber interfaces, enabling the construction of highly reliable remote I/O architectures. It is suitable for industrial scenarios with strict requirements for communication distance, anti-interference capability, and system availability.

As a core component of the S800 remote I/O system, BC810K02 is widely used in power, oil and gas, water treatment, metallurgy and large-scale manufacturing production lines, achieving long-distance, high-speed and interferon-free transmission of control signals.

Core features

Dual-redundant optical fiber ModuleBus interface: Supports ring or linear topology, enhancing network reliability
Maximum communication distance: Up to 2 km for a single optical fiber (using multimode optical fiber), and can be extended further through relays
High-speed data synchronization: The ModuleBus cycle period can reach up to 5 ms at the fastest, ensuring real-time control performance
Seamless integration with S800 I/O: Directly installed on the S800 I/O rack, it can be expanded with up to 12 I/O modules (approximately 192 channels)
LED status indication: Clearly display power (PWR), operation (RUN), BUS status (BUS OK/ERR), and optical fiber link status
Hot-swappable support: Safe replacement during system operation (with redundant configuration required)
Strong anti-electromagnetic interference capability: Optical fiber isolation completely eliminates the influence of ground potential difference and electrical noise

Typical application scenarios
Substation automation: Deploy the I/O station in the high-voltage switch room and isolate and communicate with the AC 800M controller in the main control room via optical fiber
Long-distance conveying systems: Centralized data collection for scattered sites such as belt conveyors and pipeline pumping stations
Strong electromagnetic interference environment: Steel mills, electrolytic aluminum plants and other places, to avoid signal distortion caused by interference to copper cables
Redundant control system: In conjunction with dual AC 800M cpus and a ring optical fiber network, it achieves "zero interruption" switching
Renovation of old systems: Replacing traditional hardwiring, significantly reducing cable costs and construction complexity

Technical parameters

Model: BC810K02

Order Number: 3BSE038684R2

Product Name: AC 800M Optical Fiber Bus Coupler (for S800 I/O)

Applicable system: ABB AC 800M controller + S800 remote I/O system

Communication protocol: ABB ModuleBus (based on optical fiber)

Interface type: 2 × ST multimode optical fiber interface (62.5/125 µm)

Communication rate: 2.5 Mbps

Maximum number of sites: A single network can support up to 20 remote sites at most

Maximum I/O capacity (per station) : up to 12 S800 modules (digital/analog hybrid)

Maximum communication distance: 2 km (point-to-point, multimode fiber)

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