GE IS220UCSAH1A Universal Controller Single Assembly
1. Product Description
The IS220UCSAH1A is a Universal Controller Single Assembly (UCSA) module within GE’s Mark VIe series. It serves as a high-performance, real-time controller for critical industrial automation, primarily for gas/steam turbine control, generator excitation, and plant auxiliaries. It features a triple-redundant design for fault tolerance and supports advanced process control algorithms.
2. Product Series
- Series: GE Mark VIe Safety and Control System
- Platform: Part of GE’s Speedtronic™ turbine management family.
- Compatibility: Interfaces with Mark VIe I/O packs (e.g., TBCI, TDII, PDBI).
3. Key Features
- Triple Modular Redundancy (TMR): 3 independent processors for fault-tolerant control.
- Real-Time Processing: VME64x-based PowerPC processor @ 400+ MHz.
- Dual Network Ports: 10/100 Mbps Ethernet (for peer-to-peer comms) + PROFINET.
- Integrated Diagnostics: Continuous self-monitoring for hardware/software faults.
- Non-Volatile Memory: 32+ MB Flash for application storage.
- Hot-Swappable: Supports online replacement without system shutdown.
4. Functions & Roles
- Turbine Control: Speed/load regulation, sequencing, protection.
- Safety Shutdown: SIL 3-certified safety logic (IEC 61508).
- Data Acquisition: Processes signals from sensors (vibration, temp, pressure).
- Communications Gateway: Integrates with HMI (CIMPLICITY/TOPS), DCS, and PLCs.
- Redundancy Management: Automatic failover to backup controllers.
5. Applications
- Power Generation: Gas/steam turbines, hydro plants, combined-cycle.
- Oil & Gas: Compressor control, pipeline monitoring.
- Industrial: Critical machinery protection, rotating equipment.
- Marine: Shipboard turbine propulsion systems.
6. Technical Specifications & Parameters
Core Specifications
|
Parameter
|
Specification
|
|---|---|
|
Processor
|
PowerPC-based (triple-redundant)
|
|
Clock Speed
|
≥400 MHz
|
|
Memory
|
32+ MB Flash, 64+ MB SDRAM
|
|
Ethernet Ports
|
2x 10/100 Mbps (RJ45) + PROFINET
|
|
Backplane Interface
|
VME64x
|
|
Redundancy
|
TMR (Triple Modular Redundant)
|
|
Operating Temperature
|
-40°C to +70°C (-40°F to +158°F)
|
I/O & Communications
|
Parameter
|
Specification
|
|---|---|
|
Supported I/O Modules
|
PDIA, TDIA, VDIA, TBCI, etc.
|
|
Network Protocols
|
PROFINET, Modbus TCP, SRTP, HSR/PRP (via expansion)
|
|
Control Cycle Time
|
≤10 ms (typical)
|
|
Time Synchronization
|
IEEE 1588 PTP (Precision Time Protocol)
|
Certifications & Compliance
|
Parameter
|
Specification
|
|---|---|
|
Safety Integrity
|
SIL 3 (IEC 61508)
|
|
Environmental Rating
|
IP20 (chassis), ANSI/ISA 71.04 (corrosive gases)
|
|
EMC Standards
|
IEC 61000-6-2/6-4, CE, UL/cUL
|
|
Vibration/Shock
|
IEC 60068-2-6 (vibration), 60068-2-27 (shock)
|
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