GENERAL ELECTRIC IS220UCSAH1A / UCSA-H1A REV PROCESSOR MODULE

Product Parameters

• Model Number: IS220UCSAH1A / UCSA-H1A
• Series: Mark VIe Control System
• Processor Type: 600 MHz Intel Celeron (or equivalent industrial variant)
• Operating System: QNX Neutrino (Real-time OS)
• Memory: 128 MB DDR SDRAM / 128 MB Flash Memory
• Communication Ports: 3 x 10/100 Ethernet Ports (RJ45)
• Redundancy: Supports Simplex, Dual, and Triple Modular Redundant (TMR) configurations
• Input Voltage: 18 – 30 V DC (24 V DC Nominal)

Product Description The IS220UCSAH1A is a high-performance, standalone controller and processor module belonging to the General Electric Mark VIe control family. It functions as the computational heart of the system, executing complex application-specific control logic and managing data exchange across the IONet (the internal high-speed Ethernet network). Unlike earlier integrated boards, the UCSA is a compact, “form-factor” module that mounts directly to the carrier, providing a streamlined path for processing inputs and outputs from various I/O packs while maintaining strict synchronization for critical turbine and plant control applications.

Application Areas This processor module is predominantly utilized in the power generation and oil & gas industries. It is a core component in GE Mark VIe systems used for governing gas and steam turbines, managing balance-of-plant (BOP) processes, and controlling large-scale industrial compressors or hydro-power generators where high availability is mandatory.

Product Specifications

• Weight: 0.98 kg
• Dimensions: 165 mm x 102 mm x 48 mm
• Country of Origin: USA
• Operating Temperature: -30°C to +65°C (-22°F to +149°F)

Operational Precautions

• Ensure the module is firmly seated and the mounting screws are tightened to establish a proper electrical ground through the baseplate.
• Avoid disconnecting Ethernet (IONet) cables while the controller is in a “primary” state in a redundant system to prevent unintended failover or trip.
• Use the ToolboxST software tool to verify the firmware compatibility between the UCSA module and the existing I/O packs before commissioning.
• Maintain clear airflow around the module fins, as the unit relies on passive convection cooling for its internal processing components.

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