Description
- The GE IS420UCSBH4A is a high-performance stand-alone controller module designed for the Mark VIe Control System. It serves as the primary computational engine for turbine control, providing a high-speed, secure, and reliable platform for executing complex control logic and managing I/O network communications across the IONet.
Product Parameters
- Processor Type: 1.2 GHz Intel EP80579 (or equivalent high-speed RISC)
- Operating System: QNX Neutrino (Real-time OS)
- Memory: 256 MB DDR2 SDRAM / 128 MB Flash Memory
- Communication: 3 x 10/100 Ethernet (IONet), 1 x RS-232 (Console)
- Input Voltage: 18 to 30 V DC (24 V DC nominal)

GE IS420UCSBH4A

GE IS420UCSBH4A

GE IS420UCSBH4A
Product Specifications
- Module Type: UCSB Series Control Module
- Redundancy: Supports Simplex, Dual, and TMR (Triple Modular Redundancy)
- Mounting: Base-mounted / Panel-mounted assembly
- Operating Temperature: -30°C to +65°C (-22°F to +149°F)
- Cooling: Natural convection (fanless design)
Application Fields
- Gas & Steam Turbines: Primary control and protection for large-scale power generation.
- Combined Cycle Power Plants: Coordinating gas turbine and heat recovery steam generator (HRSG) logic.
- Wind Energy: Centralized control for utility-scale wind turbine clusters.
- Oil & Gas Compression: Managing high-speed compressor trains and surge protection.
Product Q&A
Q: How does the UCSBH4A communicate with field I/O modules? A: It communicates via the IONet, a dedicated, high-speed Ethernet-based internal network designed specifically for deterministic control data transfer.
Q: Can this controller be used in a TMR (Triple Modular Redundant) system? A: Yes, it is fully compatible with TMR configurations, where three identical controllers (R, S, and T) work in parallel to ensure maximum fault tolerance.
Q: Does the IS420UCSBH4A require an external fan for cooling? A: No, the module is designed for fanless operation using an efficient thermal heat sink, which increases reliability by eliminating mechanical cooling failures.
