IS220UCSAIIIA GE

Model: IS220UCSAIIIA
Manufacturer: GE
Core Function: Serves as a standalone embedded controller and processor module that executes application logic, manages IONet communication with distributed I/O packs, and supports control, monitoring, and safety functions in turbine systems.
System Compatibility: Compatible with GE Mark VIe and Mark VIeS distributed control systems, including Speedtronic turbine platforms.
Supply Status: Available as new surplus, refurbished, or repair/exchange through industrial networks; often listed alongside related UCSA variants for lifecycle support.
Warranty Standard: 12-month functional warranty, fully tested.

Key Technical Specifications

Product Model: IS220UCSAIIIA
Manufacturer: GE
System Platform: Mark VIe
Power Supply Voltage: 18 V DC to 32 V DC nominal, with tolerance for reliable operation in industrial power variations.
Power Consumption: Approximately 10-15 W, designed for efficient integration without excessive heat in control racks.
Communication Interfaces: Dual 100 Mbps Ethernet ports for redundant IONet connectivity to I/O packs and supervisory networks.
Processor Type: Freescale PowerQUICC II Pro-based (or equivalent single-core architecture), optimized for real-time deterministic execution.
Memory: 256 MB DDR SDRAM (typical for UCSA series), supporting control applications, data processing, and diagnostics.
Operating System: QNX Neutrino real-time OS, providing multitasking, low-latency response, and high reliability for critical turbine tasks.
Operating Temperature Range: -30°C to +65°C, suitable for turbine hall environments with thermal cycling and vibration.
Humidity Tolerance: 5% to 95% non-condensing, ensuring stable performance in humid industrial settings.
Dimensions: Standard Mark VIe pack format, approximately 8-10 cm wide x 4-5 cm high, for mounting in compatible bases or enclosures.
Weight: Approximately 0.5-1.0 kg, facilitating field replacement and handling.
Mean Time Between Failures (MTBF): >100,000 hours (typical for Mark VIe embedded controllers), enhancing system uptime in continuous operations.
Certification Standards: CE compliant, UL 508 listed for industrial control equipment, RoHS environmental compliance.

Technical Architecture & Functional Positioning

The IS220UCSAIIIA functions as a core standalone embedded controller within the Mark VIe distributed architecture, positioned to run primary application software for turbine sequencing, regulation, protection, and monitoring. It bridges supervisory logic with field I/O packs via IONet, supporting simplex, duplex, or TMR redundancy for fault-tolerant performance. This variant aligns with UCSA series designs, often serving as a processor in control and safety applications.

The module incorporates a PowerQUICC-based processor with QNX Neutrino RTOS, enabling precise control loop timing, event processing, and diagnostic capabilities. It features onboard memory management, health monitoring, and redundant communication pathways, addressing demands for deterministic response in high-stakes environments, noise immunity near generators, and modular scalability during system upgrades or retrofits.

Its design integrates seamlessly with ToolboxST for configuration, firmware handling, and fault analysis, supporting predictive maintenance and compliance in power generation operations.