GE IS420UCSCH1A Controller and Ethernet Switch Module
GE IS420UCSCH1A – Product Overview
The GE IS420UCSCH1A is a Controller and Ethernet Switch Module from GE’s PACSystems RX3i series, serving as a critical control and communication hub in industrial automation systems. This ruggedized module combines a high-performance processor with industrial-grade Ethernet switching capabilities, designed for real-time control and data exchange in mission-critical applications.
Technical Specifications
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Parameter
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Specification
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Manufacturer
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GE Intelligent Platforms (Now part of Emerson Electric)
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Part Number
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Series/Platform
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PACSystems RX3i
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Function
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Dual Controller + Managed Ethernet Switch
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Processor
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800 MHz PowerPC
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Memory
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512 MB DDR2 SDRAM
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Ethernet Ports
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6 x 10/100 Mbps RJ-45 (Auto-MDI/MDIX)
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Switch Features
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• IGMP Snooping v1/v2/v3
• VLAN (802.1Q) • QoS (802.1p) |
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Backplane Interface
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PCI Express
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Redundancy Support
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Hot standby controller redundancy
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Protocol Support
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• Modbus TCP/IP
• SRTP • DNP3 • OPC UA |
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Operating Temperature
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-40°C to +70°C (-40°F to 158°F)
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Shock Resistance
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30g peak (11ms half-sine)
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Vibration Immunity
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5g (10-500 Hz)
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Certifications
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UL/cUL, CE, ATEX/IECEx Zone 2
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Power Consumption
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12W typical (24V DC)
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Input Voltage
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19-30V DC
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MTBF
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>250,000 hours (28.5 years)
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Product Family & Series
- Primary Series: PACSystems RX3i
- Related Controllers:
- IS420UCSCH2A (Enhanced version)
- IC695CPE310 (Entry-level CPU)
- IC694PWR331 (Power supply module)
- Compatible I/O:
- VersaMax I/O modules
- RX3i Genius I/O blocks
- Chassis Compatibility: Universal Backplane (IC694CHSxxx series)
Key Features
- Integrated Control + Switching: Combines PLC functionality with Layer 2 managed switching
- Deterministic Performance: ≤1ms control loop execution time
- Cyber Security: TPM 2.0 hardware encryption, role-based access control
- Seamless Redundancy: <50ms switchover time for fault-tolerant systems
- Industrial Protocol Support: Native implementation of IEC 61850 GOOSE
- Harsh Environment Rated: Conforms to IEEE 1613 (power substations)
- Profinet IRT Class B Support: For motion control applications
Functions & Roles
- Central Processing Unit: Executes control logic for complex automation
- Network Aggregation: Connects I/O drops via integrated switch
- Data Concentrator: Collects and processes field device data
- Protocol Gateway: Translates between Modbus TCP, Profinet, and DNP3
- Edge Computing Node: Supports embedded C/C++ applications
Primary Applications
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Industry
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Typical Use Cases
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Power Generation
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• Turbine control systems
• Substation automation (IEC 61850) |
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Oil & Gas
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• Pipeline SCADA
• Compressor station control |
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Water/Wastewater
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• Pump station automation
• Chemical dosing control |
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Manufacturing
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• High-speed packaging lines
• Batch process control |
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Transportation
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• Tunnel ventilation control
• Bridge monitoring systems |
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Renewable Energy
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• Wind farm controller
• Solar plant management |
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