Description
GE IS420UCSBH4A UCSB Universal Controller Module
Product Overview
IS420UCSBH4A is GE UCSB (Universal Controller Board) standalone high‑performance processor for Speedtronic Mark VIe / Mark VIeS turbine control systems. Powered by Intel EP80579 1066 MHz processor with QNX real‑time operating system, it executes turbine main control logic, safety protection algorithms, and handles high‑speed IONet communication with remote I/O packs. It supports triple‑modular‑redundant (TMR) configuration for safety‑critical loops, compatible with EX2100e excitation control and LS2100e protection platforms. Fan‑less passive cooling design improves long‑term reliability. This is legacy GE energy hardware, mainly supplied as spare‑parts for existing power‑plant turbine installations.
GE IS420UCSBH4A
Typical Applications
- Gas‑turbine & steam‑turbine main control: Core controller for Mark VIe power‑generation turbine control systems
- Generator excitation control: Master processing unit for GE EX2100e excitation regulator systems
- Turbine safety & overspeed protection: LS2100e protection platform, TMR safety logic execution for Mark VIeS SIS applications
- Combined‑cycle power plant: Control for gas‑steam combined cycle units, load management, sequence control, trip interlock
- Oil & gas turbo‑machinery: Compressor turbine control for refinery and pipeline sites
- Brown‑field retrofit & spare‑part replacement: Maintenance and component renewal for installed Mark VIe / VIeS cabinets
Specifications & Technical Parameters
| Item | Specification |
|---|---|
| Model | IS420UCSBH4A (UCSBH4A) |
| System Compatibility | Mark VIe, Mark VIeS, EX2100e, LS2100e |
| Processor | Intel EP80579 1066 MHz quad‑core processor |
| Operating System | QNX Neutrino real‑time OS |
| Memory | 256 MB ECC DDR2 RAM; 512 MB Flash memory |
| Communication Ports | 4 × 10/100 Mbps RJ45 Ethernet (IONet); RS‑232 console port; supports IEEE 1588 PTP time synchronization |
| Power Supply | 24 VDC (18‑30 VDC operating range) |
| Cooling | Fan‑less passive cooling, no moving parts |
| Operating Temperature | ‑40 ℃ ~ +70 ℃ |
| Storage Temperature | ‑40 ℃ ~ +85 ℃ |
| Redundancy Mode | Supports TMR triple‑modular redundant deployment for safety‑critical control |
| Certifications | CE, UL, Class I Div. 2 approval; SIL 3 capable within Mark VIeS system context |
| Mounting | Plug‑in rack‑mount inside Mark VIe system cabinet |
| Status Indicators | Multi‑channel LED indicators for link, run, fault and diagnostic status |
| Weight | Approx. 1.6 kg |
| Protection Class | IP20 (cabinet‑only installation) |
Key Features & Benefits
- High‑speed real‑time computation: 1066 MHz processor plus QNX real‑time OS delivers fast control loop response for turbine speed, load and safety trip logic.
- Redundant IONet industrial Ethernet: Multiple Ethernet ports for IONet field‑I/O communication, supports PTP precise time synchronization across distributed I/O packs.
- Fan‑less passive cooling: Eliminates fan‑failure risks, enhances reliability for continuous‑run power‑plant cabinet environments.
- TMR safety‑ready architecture: Can be deployed in triple‑modular‑redundant setup for Mark VIeS safety‑instrumented system, meets SIL 3 safety‑integrity requirements for turbine protection.
- Multi‑platform compatibility: Works for turbine control, EX2100e excitation and LS2100e protection without hardware modification.
- Comprehensive on‑board diagnostics: Front‑panel LED status lights simplify commissioning and field troubleshooting.
- Modular plug‑in design: Standard rack‑mount form factor, convenient for spare‑part replacement during unit overhaul.
GE IS420UCSBH4A
Related Series‑Family Models (Mark VIe UCSB Controller Family)
GE Mark VIe universal controller board series
- IS420UCSBH4A: 1066 MHz UCSB controller (target model)
- IS420UCSBH3A: Previous‑generation lower‑speed UCSB controller
- IS420UCSCH1A: UCSC controller variant for specific Mark VIe configurations
- IS420UCSBH2A: Early‑release UCSB hardware version
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