GE IS420ESWAH2A

Product Overview

The IS420ESWAH2A is an unmanaged industrial Ethernet/IONet switch engineered by GE for the Mark VIe and Mark VIeS Speedtronic turbine control platforms, designed to enable high-speed, deterministic data communication between controllers, I/O modules, and plant networks in industrial environments. It features 8 copper 10/100BASE-TX ports for local device connectivity and 2 multi-mode fiber 100BASE-FX ports (LC-type) for long-distance uplinks, supporting IEEE 802.3, 802.3u, and 802.3x standards with auto-negotiation and HP-MDIX auto-sensing for plug-and-play deployment. The switch operates on 24/28 VDC redundant power inputs (Diode-OR’d) and includes front-panel LEDs for port status, link activity, and power/fault indication.

Category: GE

Description

Technical Specifications

Parameter	Details
Model Number	IS420ESWAH2A
Manufacturer	General Electric (GE Vernova, Boards & Turbine Control)
Module Type	Unmanaged Industrial Ethernet/IONet Switch
Series Compatibility	Mark VIe, Mark VIeS Speedtronic Turbine Control Systems
Functional Revision	A
Form Factor	DIN Rail-Mounted Metal Enclosure
Ports	8 × 10/100BASE-TX (RJ-45 copper); 2 × 100BASE-FX (LC multi-mode fiber)
Ethernet Standards	IEEE 802.3 (10BASE-T), 802.3u (100BASE-TX/FX), 802.3x (Flow Control)
Data Rates	Copper: 10/100 Mbps (auto-negotiation); Fiber: 100 Mbps (full-duplex)
Power Input	24/28 VDC (18–36 VDC range), dual redundant inputs (Diode-OR’d)
Power Consumption	200–400 mA (max 1 A)
Power Connectors	Phoenix Contact MC 1.5/S-STF-3.81 (2 connectors for redundancy)
Operating Temperature	-40°C to +70°C
Storage Temperature	-40°C to +85°C
Relative Humidity	10–95% (non-condensing)
Dimensions (H×W×D)	13.7 cm × 9.4 cm × 5.6 cm (5.4 in × 3.70 in × 2.20 in)
Weight	0.51 kg (1 lb 2 oz)
Mounting	DIN Rail (EN 50022 standard), with optional mounting clamps
Indicators	12 Front-Panel LEDs: PWR (2), FAULT (1), 8 × copper port (link/activity/speed), 2 × fiber port (link/activity)
Certifications	UL Class I Division II, ATEX Zone 2, IEC 61010, G3 Compliant
Manual Reference	GEI-100869A (IS420ESWAH2A User Guide)
Cooling	Convection-Cooled (no fans)
PCB Coating	Conformal Coating (moisture/dust/chemical protection)

I/O & Interface Details

Interface Type	Quantity	Details
Copper Ports	8	10/100BASE-TX, RJ-45, auto-negotiation (10/100 Mbps, half/full duplex), HP-MDIX auto-sensing
Fiber Ports	2	100BASE-FX, LC-type multi-mode fiber (62.5/125 μm), 2 km max distance
Power Inputs	2	24/28 VDC, redundant (Diode-OR’d), reverse polarity protected
LED Indicators	12	PWR (2, red), FAULT (1, amber), 8 × copper port (green: link/activity/speed), 2 × fiber port (green: link/activity)
Enclosure Material	Metal (IP20 protection)
Mounting Clamps	Optional: 259B2451BVP1 (parallel to rail), 259B2452BVP1 (perpendicular)
Shock/Vibration	IEC 60068-2-27 (shock), IEC 60068-2-6 (vibration) compliant

Function Features

Plug-and-Play Deployment: Unmanaged design with auto-negotiation and HP-MDIX auto-sensing eliminates complex configuration, enabling rapid integration into Mark VIe IONet systems.
Dual Media Connectivity: 8 copper ports for local I/O/controller connections and 2 fiber ports for long-distance uplinks, supporting up to 2 km multi-mode fiber transmission.
Redundant Power Inputs: Dual 24/28 VDC inputs with Diode-OR’d protection ensure continuous operation during power source failures.
Deterministic IONet Support: Optimized for Mark VIe IONet architecture, providing low-latency (sub-1 ms) data transfer for real-time turbine control applications.
Front-Panel Diagnostics: 12 LEDs deliver real-time status of power, port link/activity/speed, and faults, enabling quick troubleshooting without software tools.
Harsh Environment Design: Conformal-coated PCB, wide temperature range (-40°C to +70°C), and IP20-rated metal enclosure protect against moisture, dust, and vibration.
Hazardous Location Compliance: UL Class I Division II and ATEX Zone 2 certifications enable safe operation in explosive atmospheres.
Flow Control Support: IEEE 802.3x compliance prevents frame loss during high-traffic periods, ensuring data integrity.
DIN Rail Mounting: EN 50022-compliant design allows easy installation in standard control cabinets, saving space and simplifying system layout.
Low Power Consumption: 200–400 mA current draw minimizes power usage while supporting redundant operation.
Auto-MDI/MDIX Sensing: Eliminates the need for crossover cables, simplifying field wiring and reducing installation time.
G3 Compliance: Meets global electromagnetic compatibility (EMC) standards for industrial equipment.

Application Scenarios

Gas Turbine Control Systems: Connects Mark VIe controllers, I/O modules, and HMI devices via IONet, enabling real-time speed, temperature, and load control in aeroderivative/heavy-duty gas turbines.
Steam Turbine Control: Facilitates data communication between steam turbine control components, HRSG systems, and plant DCS in thermal and combined-cycle power plants.
Combined-Cycle Power Plants: Integrates gas/steam turbine controls, balance-of-plant systems, and plant networks for coordinated operation and performance monitoring.
Industrial Automation: Provides reliable Ethernet connectivity for PLCs, sensors, and actuators in refineries, chemical plants, and offshore platforms, supporting harsh environment operation.
Hazardous Environments: Operates safely in Class I Division II and ATEX Zone 2 locations, ensuring compliance with safety standards for explosive atmospheres.
IONet Expansion: Extends Mark VIe IONet architecture to remote I/O racks, enabling distributed control with low-latency data transmission.
Turbine Retrofits: Direct replacement for legacy IONet switches in Mark VIe upgrades, enhancing network reliability and diagnostic capabilities without requiring system reconfiguration.
Real-Time Data Acquisition: Supports high-speed data transfer for condition monitoring systems, enabling predictive maintenance and reducing unplanned downtime.

Compatibility and Integration

Mark VIe Ecosystem: Fully compatible with Mark VIe/VIeS controllers (e.g., IS220UCSAH1A), I/O modules (e.g., IS220PDOAH1A, IS220PTURH1A), and terminal boards, ensuring seamless IONet communication.
IONet Architecture: Optimized for Mark VIe IONet protocol, providing deterministic data transfer for real-time control applications.
Redundant Power Supplies: Works with dual 24/28 VDC power sources (e.g., IS230JPDGH1B) to support Diode-OR’d redundant operation, maximizing system availability.
ToolboxST Integration: Monitored via ToolboxST software for remote status checks and fault alerts, complementing front-panel diagnostics.
Documentation: Detailed guidelines available in the GE IS420ESWAH2A User Guide (GEI-100869A) and Mark VIe System Integration Manual, including wiring diagrams and mounting instructions.

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