Product Overview
The GE IS420UCSBH4A UCSB Controller Module is a next-generation standalone controller for the Mark VIe control system. It provides high-speed processing, deterministic I/O communication, and robust fault tolerance, making it ideal for turbine control, power generation, and other mission-critical industrial applications.
Its compact, fanless design ensures long-term reliability, while integrated redundancy and advanced synchronization features allow seamless operation in complex control networks. This module is engineered to minimize maintenance and maximize uptime in demanding industrial environments.
Technical Specifications
| Parameter | Specification |
|---|
| Model | IS420UCSBH4A |
| Product Type | UCSB Controller Module |
| Series | Mark VIe / EX2100e / LS2100e |
| Processor | Intel EP80579, 1 GHz |
| Memory | 1 GB DDR3 RAM (ECC) / 4 GB NAND Flash |
| Operating System | QNX Neutrino RTOS |
| Communication Interface | IONet Industrial Ethernet |
| Synchronization | IEEE 1588 Precision Time Protocol (≤50 μs) |
| Power Supply | 18–32 V DC (nominal 24–28 V DC) |
| Max Current | 1.5 A |
| Cooling | Passive (fanless) |
| Mounting | Panel-mounted module |
| Operating Temperature | -30°C to +65°C |
| Dimensions (HxWxD) | 95 × 125 × 35 mm |
| Weight | Approx. 1.25 kg |
Applications
The IS420UCSBH4A is widely deployed in industries requiring high reliability, real-time control, and deterministic communication:
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Gas and steam turbine control systems
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Power generation and energy management plants
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Oil & gas process automation
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Safety-critical industrial applications (SIL2/SIL3)
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Distributed control systems (DCS) requiring networked I/O
Its high-speed processor and precise IEEE 1588 synchronization make it especially suitable for systems with complex timing and coordinated operations.
Technical FAQs
1. What differentiates UCSB controllers from PLCs?
They are standalone computing controllers that rely on distributed I/O networks rather than hosting I/O directly.
2. Which systems are compatible with IS420UCSBH4A?
Mark VIe, EX2100e, and LS2100e control systems.
3. What processor does it use?
Intel EP80579 embedded processor running at 1 GHz.
4. Does it support real-time synchronization?
Yes, using IEEE 1588 Precision Time Protocol with microsecond-level accuracy.
5. Which operating system is installed?
QNX Neutrino real-time operating system.
6. Is redundancy supported?
Yes, supports dual and Triple Modular Redundancy (TMR).
7. Does it include built-in I/O?
No, it communicates with distributed I/O modules via IONet.
8. What are the power requirements?
18–32 V DC, typically operating at 24–28 V DC.
9. Is it suitable for harsh industrial environments?
Yes, designed to operate reliably across wide temperature ranges and industrial-grade conditions.
10. How is maintenance managed?
Fanless, battery-free design reduces maintenance, and firmware updates can be applied via flash memory.
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