IS420UCSCS2A-B GE Module Parts Mark VIeS Safety Controller
The GE IS420UCSCS2A-B is part of the GE Mark VIeS functional safety control platform. The base model IS420UCSCS2A is a high-performance, dual-core UCSC Safety Controller engineered for safety-critical industrial automation and turbine control applications.
Manufactured by General Electric (GE), this controller executes application-specific safety logic and coordinates communications with distributed I/O modules over the IONet network.
It is designed for applications demanding high reliability, deterministic control, fault tolerance, and functional safety. The Mark VIeS platform supports Simplex, Dual, and Triple Modular Redundant (TMR) configurations.
- Gas turbine safety control
- Steam turbine protection
- Power generation systems
- Industrial safety instrumented systems (SIS)
- Combined-cycle power plants
- Critical process automation
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric (GE) |
| Model Number | IS420UCSCS2A-B |
| Base Controller Model | IS420UCSCS2A |
| Product Series | Mark VIeS |
| Product Type | UCSC Safety Controller |
| Processor | Dual-core AMD G-Series |
| Processor Speed | 1.6 GHz |
| System Memory | 2 GB DDR3-1066 SDRAM with ECC |
| Storage Capacity | 128 GB SSD |
| Operating System | QNX Neutrino RTOS |
| Redundancy Modes | Simplex, Dual, TMR |
| Safety Standard | IEC 61508 |
| Control Execution Rates | 10, 40, 80, 160 ms |
| I/O Network | IONet |
| Ethernet Interfaces | 3 IONet ports and additional Ethernet communications |
| Communication | Ethernet-based industrial communications |
| Input Voltage | 18–30 VDC |
| Nominal Voltage | 24/28 VDC |
| Nominal Power Consumption | 18 W |
| Maximum Power Consumption | 30.8 W |
| Dimensions | 168 × 150 × 55 mm |
| Weight | Approximately 1.327 kg |
| Cooling Method | Natural convection |
| Operating Temperature | -40°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 95%, non-condensing |
| Mounting | Base-mounted |
- Safety Logic Execution — Executes safety-related control logic to protect turbines, generators, and other critical industrial equipment.
- Redundant Control Management — Supports Simplex, Dual, and TMR configurations to improve system availability and fault tolerance.
- I/O Communication — Communicates with distributed I/O modules through dedicated IONet interfaces.
- Real-Time Processing — Uses a dual-core 1.6 GHz processor to execute application-specific control tasks.
- System Diagnostics — Provides diagnostic indicators and monitoring functions to help identify communication, temperature, and controller faults.
- Safety System Integration — Integrates with GE Mark VIeS safety systems for coordinated industrial protection and control.
- High Processing Performance: Dual-core AMD processor operating at 1.6 GHz.
- Functional Safety: Designed for safety applications compliant with IEC 61508.
- Flexible Redundancy: Supports Simplex, Dual, and TMR configurations.
- Large Memory Capacity: 2 GB ECC memory and 128 GB solid-state storage.
- Industrial Reliability: Fanless, battery-free design with convection cooling.
- Real-Time Operation: QNX Neutrino real-time operating system.
- Flexible Integration: Supports communication with compatible GE Mark VIeS I/O systems.
It is identified with the GE Mark VIeS UCSC Safety Controller family. The documented base model IS420UCSCS2A is designed for industrial functional safety applications.
It belongs to the GE Mark VIeS Functional Safety Control System.
The base IS420UCSCS2A uses a dual-core AMD G-Series processor operating at 1.6 GHz.
Yes. The base controller supports Simplex, Dual, and Triple Modular Redundant (TMR) configurations.
The specified operating temperature range is -40°C to +70°C.
GE Mark VIeS Safety Controller
,IS420UCSCS2A-B GE Module Parts
,GE Safety Controller Module Parts
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