Description
1. Product Title
GE IS220UCSAH1A – Mark VIe UCSA Series Controller Module
2. Product Overview
The GE IS220UCSAH1A is a high-performance Application Server and Controller module designed for the Mark VIe Distributed Control System (DCS). As a core component of the Mark VIe architecture, the UCSA (Universal Control System Appliance) functions as a standalone controller that executes complex application logic and manages data communication across the industrial network.
TheIS220UCSAH1A is engineered to bridge the gap between the plant’s IONet (Input/Output Network) and external systems such as HMIs, historians, and third-party PLCs. It provides a rugged, fanless computational platform that handles high-speed control loops, alarm management, and data synchronization. By utilizing a real-time operating system, it ensures deterministic performance for mission-critical turbine and balance-of-plant (BOP) control applications.
3. Technical Specifications
- Brand: General Electric (GE)
- Model:IS220UCSAH1A
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VIe
- Processor: 600 MHz Intel Celeron (or equivalent high-efficiency CPU)
- Operating System: QNX Real-Time OS
- Memory: 256 MB DDR SDRAM; 128 MB CompactFlash
- Communication Ports: * Three 10/100 Ethernet ports (IONet R/S/T)
- One 10/100 Ethernet port (Unit Network/HMI)
- Serial Interface: Two RS-232C ports (COM1/COM2)
- Power Supply: 18 to 30V DC
- Operating Temp: 0°C to +60°C (+32°F to +140°F)
- Mounting: Base-mounted within the control cabinet
4. Key Features & Benefits
- Deterministic Execution: Runs the QNX real-time operating system to ensure that control logic is executed with consistent, predictable timing, which is vital for turbine stability.
- Integrated IONet Redundancy: Features multiple Ethernet ports to support Simplex, Dual, or Triple Modular Redundancy (TMR), ensuring the system remains operational even if a network path is lost.
- Fanless Cooling Design: The IS220UCSAH1A utilizes advanced heat-sink technology instead of mechanical fans, increasing the Mean Time Between Failures (MTBF) by eliminating a common point of mechanical failure.
- Versatile Protocol Support: Capable of handling various communication protocols, including Modbus TCP/IP and EGD (Ethernet Global Data), for seamless integration with heterogeneous plant systems.
5. Application Scenarios
- Main Process Controller: Functions as the primary “brain” for Mark VIe systems in gas or steam turbine applications, governing fuel systems and safety sequences.
- Data Aggregation Server: Used as an intermediate node to collect data from localized I/O packs and transmit it to the plant-wide HMI and data historian.
- Balance of Plant (BOP) Control: Deployed to manage auxiliary plant systems, such as water treatment or cooling towers, while remaining fully integrated into the main DCS environment.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the IS220UCSAH1A ?
- A: It is a controller module that executes the application code for the Mark VIe system and facilitates communication between the IONet and the HMI/Network layers.
- Q: Does the IS220UCSAH1A support TMR?
- A: Yes, it is designed to work in Triple Modular Redundant configurations where three controllers vote on critical outputs to ensure maximum system reliability.
