- Model: IS220UCSCH1A
- Manufacturer: GE (General Electric)
- Core Function: High-performance embedded controller (UCSC-H1A variant) executing deterministic real-time applications for turbine sequencing, governing, protection, and process optimization, with enhanced network interfaces for reliable IONet I/O communication and supervisory connectivity.
- System Compatibility: Compatible with Mark VIe and Mark VIeS control systems in simplex, duplex, or TMR configurations; integrates with GE Distributed Gas Turbine Control Systems, EX2100e, LS2100e, and related platforms.
- Supply Status: In Stock / Available as new surplus, refurbished, or from verified global inventory.
- Warranty Standard: 12-month functional warranty, fully tested.
Key Technical Specifications
- Product Model: IS220UCSCH1A
- Manufacturer: GE
- System Platform: Mark VIe Turbine Control System
- Processor Type: Freescale PowerQUICC II Pro (PowerPC 8349 equivalent or upgraded variant)
- CPU Frequency: 667 MHz (standard for UCSC series)
- Power Supply Voltage: 18-36 V DC nominal (typically 24-28 V DC from system distribution)
- Power Consumption: Approximately 12-15 W typical under operational load
- Communication Interfaces: 3 IONet Ethernet ports for high-redundancy I/O communication + 2 UDH (Unit Data Highway) ports for upper-level monitoring/HMI; 100 Mbps full-duplex support
- Memory: 256 MB DDR SDRAM (with onboard flash for non-volatile storage)
- Operating System: QNX Neutrino real-time OS
- Operating Temperature Range: -30°C to +65°C, designed for industrial control enclosures
- Humidity Tolerance: 5% to 95% non-condensing
- Dimensions: Compact embedded module with integrated heat sink (standard Mark VIe controller footprint for panel or rack mounting)
- Weight: Approximately 0.9-1.2 kg
- Certification Standards: CE compliant, UL listed, meets IEC 61131-2 for programmable controllers; hazardous location approvals (Class I Div 2 / Zone 2 per GEH-6725); supports ATEX/IECEx via system certification
- MTBF (Mean Time Between Failures): >200,000 hours per GE reliability data, enabling extended uptime in critical applications
- Software Compatibility: ControlST (V04.03 and later recommended), ToolboxST for configuration, diagnostics, and application loading
Technical Architecture & Functional Positioning
The IS220UCSCH1A (UCSC-H1A) is engineered as an advanced standalone controller within the Mark VIe distributed architecture, positioned at the core control layer to run application-specific logic for turbine start/stop sequencing, fuel/speed governing, protective functions, and integrated plant optimization. It leverages enhanced network redundancy with three IONet ports for robust, deterministic communication with distributed I/O packs, minimizing single-point failures in high-availability setups. The two additional UDH ports facilitate secure connectivity to supervisory systems, HMIs, or plant networks without compromising control traffic isolation.
Built on the Freescale PowerQUICC II Pro processor and QNX Neutrino RTOS, the module delivers precise real-time execution with sub-millisecond determinism for critical loops. Integrated diagnostics, watchdog timers, and redundant Ethernet paths enable fault detection and containment, supporting TMR configurations with 2-out-of-3 voting for enhanced safety integrity. This architecture addresses demanding engineering needs in turbine control, such as seamless redundancy transitions, cybersecurity through network segmentation, and scalability across single turbines to complex combined-cycle operations. Firmware and control applications are managed via ToolboxST, permitting on-site tuning, alarm configuration, and logic updates with minimal disruption.
GE Fanuc 90-30 CPU Module IC693CPU340J
WELTRONIC/TECHNITRON CONTROL BOARD 625981D 62598-1D
Reliance 0-49029-2 CARDPAK Instantaneous Elect. Trip
SIEMENS C98043-A1001-L 5 10 POWER SUPPLY BOARD
ALLEN BRADLEY 20A-D-5P0-A-3-AYNNNNN 3 HP NEW
Reliance Frequency Input Card 0-52711-8 0527118
ZENITH METERING PUMP 11-43910-4013-0 BPB0322-MH-0219
BPB-4391-.160-013 NEW PRECISION FLUID HANDLING
ZENITH METERING PUMP BPB-4391 10263736 BA3020909
RELIANCE ELECTRIC 230/460 AC MOTOR 40HP 40 HP P32G0051G
Square D I-Line Busway Switch Breaker 225A PKA36225G
Saftronics G3 AC Drive CIMR-G3S4015 20 – 25 hp 3 phase
TOSHIBA TOSVERT 7.5HP 7.5 HP INVERTER VT130G2+4080 NEW
SIEMENS MICRO MASTER DRIVE 1HP 1 HP 6SE3113-6CA40
FISHER ROSEMOUNT CONTROLS 3582-10 VALVE POSITIONER NIB
Reliance 0-49026-9 CARDPAK Tester PC Board 0490269
STEGMANN DG 60 KTM 1024 PULS/REV VDC 5 68S002750 NEW
Allen Bradley Node Adapter 148540 Board NEW 1989-148540
EASON 900X OPERATOR INTERFACE KEYPAD TERMINAL 7.5 WATTS
GE FVK423R 100A 100 A AMP 240V 3PH 4 WIRE BUSWAY SWITCH
CHAMPION CHP100-240750T1R 48V BATTERY CHARGER 3 PH new
