The General Electric IS420UCSBH1A UCSB Controller Module supports Mark VIe turbine control systems with high‑speed processing, real‑time operating capability, and robust safety performance. This controller manages gas turbine applications through deterministic communication, stable execution of safety logic, and reliable integration with distributed I/O networks.
Functional Design
The GE IS420UCSBH1A uses a 1066 MHz Intel EP80579 processor running the QNX Neutrino real‑time operating system, enabling fast execution of turbine‑control applications. The controller communicates with I/O packs through IONet, a dedicated Ethernet network designed exclusively for Mark‑series devices. This architecture ensures predictable data flow and consistent system behavior in critical turbine environments.
Technical Specifications
Key Parameters
Parameter
Value
Model Number
IS420UCSBH1A
Product Type
UCSB Controller Module
Series
Mark VIe
Manufacturer
General Electric
System
DCS
Weight
1.52 kg
Dimensions
5.5 cm × 12.3 cm × 20.3 cm
Origin
USA
Condition
Brand New
HS Code
8537101190
MOQ
1
Lead Time
In Stock
Processor
1066 MHz Intel EP80579
Operating System
QNX Neutrino RTOS
Power Input
18–30 VDC (nominal 24–28 VDC)
Current Draw
Up to 1.5 A
Communication
IONet Ethernet
Safety Certifications
UL DEMKO ATEX Zone 2, UL E207685
Redundancy
Simplex, dual, and TMR support
Cooling
Optional dual redundant fans
Software
ControlST + ToolboxST
Additional Technical Notes
The IS420UCSBH1A executes safety‑instrumented functions with SIL 2/3 capability.
IONet communication ensures deterministic data exchange with I/O packs.
Flash‑based storage simplifies firmware updates and maintenance.
The compact design eliminates jumpers and batteries for improved reliability.
Applications and Compatibility
The General Electric IS420UCSBH1A supports gas turbines, steam turbines, and industrial automation systems that require high‑speed control and certified safety performance. It integrates with Mark VIe and Mark VIeS architectures and suits mission‑critical environments that demand continuous operation and precise control logic execution.
