Description
DS200SIOBG1AAA: Product Overview
The GE DS200SIOBG1AAA is a VME I/O board designed specifically for GE Speedtronic™ Mark V distributed control systems (DCS), the industry standard for gas, steam, and hydro turbine control in power generation. As part of the Mark V ecosystem, it acts as an “I/O extender” for the SC2000 subsystem, allowing the turbine control system to interface with additional field devices (e.g., sensors, actuators) and peripheral equipment. Its primary role is to expand the system’s I/O capacity while maintaining high-speed data transfer and reliability—critical for maintaining turbine stability and efficiency.
Engineered for the demanding conditions of turbine halls, the DS200SIOBG1AAA features a robust PCB layout and VMEbus-compatible interface to withstand vibration, dust, and electromagnetic interference (EMI). Its legacy compatibility makes it ideal for retrofitting aging Mark V systems—common in power plants operating turbines for 20+ years—where replacing the entire control architecture is cost-prohibitive. Whether used in 7EA gas turbines or 9F steam turbines, the DS200SIOBG1AAA ensures reliable I/O expansion, directly extending the operational life of critical turbine control systems.
Role in Automation Systems
Positioned as a “scalable I/O hub” in Mark V architectures, the DS200SIOBG1AAA performs two primary functions:
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I/O Expansion: Adds additional input/output channels to the Mark V system, allowing engineers to connect more field devices (e.g., pressure transducers, temperature probes, servo valves) without replacing the entire control cabinet.
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High-Speed Data Transfer: Facilitates fast communication between the Mark V controller and peripheral devices via the VMEbus, ensuring real-time signal processing for turbine control (e.g., adjusting fuel flow based on temperature readings).
Its core value lies in enhancing system flexibility—a critical requirement for power plants, where adding new sensors or actuators is often necessary to meet evolving operational needs. By expanding the I/O capacity, the DS200SIOBG1AAA allows facilities to upgrade their turbine control systems without incurring the high cost of a full DCS overhaul.
Core Functionality
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VMEbus Compatibility: Conforms to VMEbus Rev. C.1 standards, ensuring seamless integration with existing Mark V I/O racks and controllers. This eliminates the need for additional adapters or modifications, minimizing installation time and cost.
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Modular Design: The board’s compact form factor (110 mm × 66.8 mm × 50 mm) allows it to fit into standard Mark V I/O racks, making it easy to add or replace as needed. The 0.3 kg weight simplifies handling during installation or maintenance.
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Industrial-Grade Durability: Designed to operate in temperatures from -40°C to +85°C, the DS200SIOBG1AAA withstands the extreme conditions of turbine halls (e.g., vibration, dust, moisture). Its robust PCB layout and high-quality components ensure reliable operation even in harsh environments.
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Scalable I/O: Supports expansion with additional I/O modules, allowing engineers to customize the system’s I/O capacity to meet specific application requirements. This flexibility is invaluable for power plants, where system demands often grow over time.
Technical Specifications
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Parameter
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Specification
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Model Number
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DS200SIOBG1AAA
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Manufacturer
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General Electric (GE)
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Product Type
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VME I/O Board
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Series
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Mark V (Turbine Control Systems)
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Bus Standard
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VMEbus Rev. C.1 (compatible with Mark V I/O racks)
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Form Factor
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110 mm × 66.8 mm × 50 mm (compact, rack-mountable)
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Weight
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0.3 kg (0.66 lbs)
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Operating Temperature
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-40°C to +85°C (industrial-grade)
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Storage Temperature
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-40°C to +85°C
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Humidity
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5–95% non-condensing
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Certifications
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CE, UL (inferred from GE industrial product standards)
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DS200IPCSG1ABB
Core Features & Customer Value
1. Reliable I/O Expansion:
The DS200SIOBG1AAA’s VMEbus compatibility and modular design ensure seamless integration with existing Mark V systems, allowing facilities to add I/O capacity without disrupting operations. For example, a power plant can use the board to connect additional temperature sensors to a turbine, enabling more precise monitoring of exhaust gases.
2. High-Speed Data Transfer:
The board’s support for VMEbus Rev. C.1 ensures fast data transfer between the Mark V controller and peripheral devices, which is critical for real-time turbine control. This minimizes latency and ensures that the controller receives accurate data from field devices, allowing for timely adjustments to fuel flow or valve positions.
3. Rugged Industrial Design:
The DS200SIOBG1AAA’s ability to operate in temperatures from -40°C to +85°C makes it suitable for harsh turbine hall environments. Its robust PCB layout and high-quality components protect against vibration and EMI, ensuring reliable operation even in the most demanding conditions.
4. Cost-Effective Scalability:
By expanding the I/O capacity of existing Mark V systems, the DS200SIOBG1AAA eliminates the need for costly DCS overhauls. This makes it an ideal choice for power plants with aging Mark V systems, where upgrading the I/O capacity is necessary but replacing the entire control architecture is not feasible.
Typical Applications
The GE DS200SIOBG1AAA is widely used in industrial automation systems for:
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Power Generation:
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Expands I/O capacity for gas/steam turbine control systems, allowing connection of additional sensors (e.g., temperature, pressure) and actuators (e.g., servo valves).
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Industrial Control:
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Used in manufacturing facilities to expand I/O capacity for process control systems, enabling connection of more field devices (e.g., limit switches, proximity sensors).
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Retrofit Projects:
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Ideal for retrofitting aging Mark V systems, where adding I/O capacity is necessary but replacing the entire control architecture is cost-prohibitive.
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