The GE IS420UCSBH1A UCSB Controller Module is a key component of the Mark VIe Control Safety System Series, designed to execute application-specific control logic with precision and reliability. Unlike conventional controllers, it does not directly host I/O but instead communicates through IONet networks, ensuring continuous access to input data—even during maintenance or controller replacement.
Key Features
- High-Performance Processor: 600 MHz Intel EP80579 CPU.
- Robust Memory Architecture:
- 256 MB DDR2 SDRAM with ECC.
- Flash-backed SRAM for data retention during outages.
- 2 GB NAND flash storage for software/configuration.
- Operating System: Runs on QNX Neutrino, a stable RTOS for industrial applications.
- Lightweight & Compact: Only 2.4 lbs, simplifying panel installation.
- Temperature Range: Operates from -30°C to +65°C (-22°F to +149°F).
- Low-Maintenance Design: No fans or batteries required.
- Precise Synchronization: IEEE 1588 protocol ensures <100 μs clock alignment across controllers and I/O packs.
Advantages
- Compact single-module form factor reduces panel space.
- Integrated power supply eliminates the need for external components.
- Flash-based updates for quick and easy firmware upgrades.
- No jumper settings, simplifying setup and commissioning.
- Enhanced reliability by preventing input data loss during shutdowns.
Redundancy Options
- Dual Redundant System:
- Shares synchronization and status data between two controllers.
- Maintains initialization and state values seamlessly.
- Triple Modular Redundancy (TMR):
- Implements voting logic across three controllers.
- Provides superior fault tolerance for mission-critical applications.
Mounting & Installation
- Designed for direct panel mounting.
- Requires unobstructed vertical airflow through cooling fins to prevent overheating.
Specifications
| Specification | Details |
|---|---|
| Part Number | IS420UCSBH1A |
| Manufacturer | General Electric (GE) |
| Series | Mark VIe |
| Product Type | UCSB Controller Module |
| Country of Manufacture | United States (USA) |
| Weight | 2.4 lbs |
| Operating Temperature | -30°C to +65°C (-22°F to +149°F) |
| Certifications | UL E207685, ATEX Zone 2, Group IIC |
Communication
- IONet: A private Ethernet network designed for Mark VIe systems.
- Provides secure, high-speed communication between controllers and I/O packs.
- Ensures real-time control and reliable data transfer in demanding industrial environments.
Details
| Weight | 0.86 kg |
|---|---|
| Dimensions | 40 × 160 × 202 mm |

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