Original GE UCSA standalone embedded controller for Mark VIe Speedtronic turbine control system, fan‑less industrial spare part.

Product Overview

IS220UCSAH1AK is UCSA standalone controller variant for GE Speedtronic Mark VIe turbine control system. It adopts Freescale PowerQUICC II Pro embedded processor, runs QNX Neutrino real‑time operating system, completes turbine speed regulation, load control, interlock protection and multi‑network data interaction. It communicates with remote I/O packs via redundant IONet Ethernet, uses CompactFlash for firmware and event log storage. Supports simplex, dual hot‑standby and TMR triple‑modular‑redundant configuration. Fan‑less passive cooling design improves long‑term operational stability. Widely used as maintenance spare part for gas‑steam turbine and generator control cabinets in power‑plant and petrochemical industry.

Key Features

• 667MHz Freescale PowerQUICC II Pro embedded processor for deterministic real‑time control logic operation
• Multiple 10/100Mbps Ethernet interfaces, supports redundant IONet I/O network and UDH supervisory network
• CompactFlash storage slot for firmware, application configuration and fault event log saving
• Supports simplex, dual hot‑standby and TMR triple‑modular‑redundant system deployment
• Fan‑less passive cooling structure, eliminates fan failure risk for continuous cabinet operation
• Front‑panel multi‑color LED indicators for power status, running condition and fault diagnosis

• Compact panel‑mount box‑type structure, supports adjacent stacking for triple‑redundant unit layout

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Technical Specifications

• Brand: GE (Vernova)
• Model: IS220UCSAH1AK
• Module Type: UCSA Stand‑Alone Controller
• System Platform: Speedtronic Mark VIe / Mark VIeS
• Processor: 667MHz Freescale MPC8349 PowerQUICC II Pro
• Operating System: QNX Neutrino real‑time OS
• Memory: 256MB DDR SDRAM
• Storage: CompactFlash card support
• Power Supply: 18‑36VDC, nominal 24VDC
• Power Consumption: 12W
• Operating Temp: 0℃ ~ +65℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Cabinet panel‑mount installation

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Compatibility

Compatible with GE Mark VIe turbine control system. Firmware matching, control program download and IONet communication loop test required after replacement.