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GE IS420ESWBH3A｜Ethernet/IONet Switches ｜
1. General Description
This Industrial Ethernet Switch is designed for IONet copper-cable interconnection within GE Mark VIe control systems.
It provides reliable, high-speed Ethernet communication between controllers and local I/O modules, ensuring deterministic data forwarding for real-time control and diagnostics in industrial environments.
2. Port Configuration
Copper Ethernet ports:
16 × 10/100Base-TX RJ45
Optical ports:
None (copper-only architecture)
3. Network Performance
Transmission rate:
10 / 100 Mbps adaptive
Duplex mode:
Automatic full-duplex / half-duplex negotiation
Optimized for low-latency, real-time industrial communication
4. Redundancy and System Architecture
Compatible with:
Simplex
Dual
TMR (Triple Modular Redundancy) system architectures
Supports redundant communication paths between:
Mark VIe controllers
Local I/O modules (e.g., PCAA, UCVH)
Redundant power input supported (diode-type or gate-type isolation)
5. Electrical Specifications
Power supply input:
9–16 VDC
Typical system supply: 24 VDC / 28 VDC
6. Environmental Specifications
Operating temperature: −40 ℃ to +70 ℃
Storage temperature: −40 ℃ to +85 ℃
Cooling method: Natural convection (fanless design)
7. Mechanical Specifications
Dimensions: 162 mm × 115 mm × 72 mm
Mounting: DIN-rail installation
Weight: approx. 0.6 kg
Protection class: IP20 (installation inside control cabinet)
8. Switching Features
Standards compliance:
IEEE 802.3
IEEE 802.3u
IEEE 802.3x (flow control)
MAC address table: 4K entries
Packet buffer: 256 KB
Automatic MDIX on all copper ports (no crossover cables required)
9. Status Indication
LED indicators for:
Power status
Port link / activity
Speed (10 / 100 Mbps)
Duplex mode
Enables quick verification of network and port status
10. Certifications and Compliance
Industrial certifications including:
CE
UL
IEC 61131
Other applicable industrial standards
11. Core Functions
High-speed forwarding of:
Real-time control data
Diagnostic and system status information
Simplified wiring with automatic MDIX
Stable and deterministic performance for IONet industrial networks
12. Typical Applications
GE Mark VIe control systems for:
Small and medium-size gas turbines
Steam turbines
Compressors
Local I/O network expansion using pure copper Ethernet architecture
Control network construction for unit auxiliary systems (BOP)
Cost-optimized solutions where fiber-optic uplinks are not required, while still meeting industrial network stability and real-time requirements
GE IS420ESWBH3A｜Ethernet/IONet Switches ｜
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By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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