Performance comparison
Parameter | IS420UCSBH3A | IS420UCSBH1A | IS420UCSBH4A |
Processor | 1200MHz Intel EP8057 | 600MHz Intel EP80579 | 1066MHz Intel EP80579 |
Memory | 4GB DDR3 | 256MB DDR2 | 2GB Flash |
Cooling | Dual redundant fans | Fanless | Fanless |
I/O Support | 128 DI/64 AIO | Basic IONet only | Enhanced IONet |
Summary:
GE IS420UCSBH4A balances 1066MHz processing and -30°C~65°C range with triple Ethernet, outperforming H1A in speed/memory while H3A excels in extreme temps.
Typical cooperation cases
Gas Turbine Speed Regulation
Precisely controls 300MW turbine fuel valves achieving 0.005% speed deviation at a Middle East power plant.
Steam Turbine Protection
Monitors 12 pressure stages and triggers safety interlocks within 50ms at a Chinese thermal plant.
Refinery Compressor Control
Reduces unplanned downtime by 35% through predictive maintenance on centrifugal compressors.
Steel Plant Combustion
Optimizes oxygen/fuel ratio for 2500°C blast furnaces, cutting energy waste by 18% .
Water Treatment Automation
Synchronizes 50+ pump stations via Modbus TCP/IP across 15km pipelines.
