Description
GE IS420UCSBH4A – UCSB Controller Module
GE IS420UCSBH4A is a high-performance Universal Controller (UCSB) module developed for GE’s Mark VIe and Mark VIeS turbine management systems. Featuring a 1066 MHz Intel EP80579 processor with 256 MB DDR2 SDRAM, it executes real-time application code while communicating with distributed I/O packs via IONet Ethernet networks. This standalone controller addresses synchronization challenges in gas turbine operations by providing microsecond-level time coordination using IEEE 1588 PTP, supporting simplex, dual, or triple redundant configurations without single points of failure. The GE IS420UCSBH4A runs QNX Neutrino RTOS for deterministic multitasking and integrates with EX2100e excitation systems.
Technical Specifications
- Brand: GE
- Model: IS420UCSBH4A
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VIe / Mark VIeS
- Processor: Intel EP80579 1066 MHz
- Memory: 256 MB DDR2 SDRAM
- Operating System: QNX Neutrino RTOS
- Ethernet Ports: 5 × 100 MB IONet
- Power Consumption: 28.7 W peak / 17.3 W nominal
- Operating Temp: -30°C to +65°C
- Certifications: UL E207685 Class I Div 2
- Dimensions: 16 × 16 × 12 cm, 0.8 kg
Key Features & Benefits
- Distributed Processing: IONet interfaces eliminate backplane I/O dependencies, enabling scalable redundancy across multiple controller platforms.
- Precision Synchronization: IEEE 1588 PTP achieves 100 μs timing accuracy between controllers and I/O packs for coordinated turbine sequencing.
- Online Programmability: Supports rung/block-based ladder logic with hot-swappable code changes, minimizing process interruptions during tuning.
Application Scenarios
- Gas Turbine Control: Executes primary speed/fuel regulation loops with redundant controllers in combined-cycle power plants.
- Steam Turbine Governors: Manages load sharing and overspeed protection across multi-shaft configurations.
- Exciter Integration: Interfaces with EX2100e/LS2100e systems for synchronized generator field control.
Frequently Asked Questions (FAQ)
- Q: What is the primary function of the GE IS420UCSBH4A?
- A: It serves as a standalone UCSB controller executing turbine application code via IONet-distributed I/O in Mark VIe systems.
- Q: Is GE IS420UCSBH4A compatible with legacy systems?
- A: Yes, it supports Mark VIe IONet protocol and integrates with GE Speedtronic platforms through standard Ethernet infrastructure.
