GE IS420ESWAH3A

Technical Specifications

• Manufacturer: General Electric (GE) Energy, GE Boards & Turbine Control
• Product Series: Mark VIe Speedtronic Control System
• Module Type: Industrial Ethernet Switch (IONet Switch)
• Part Number: IS420ESWAH3A
• PCB Coating: Conformal coating for environmental protection against dust, moisture, and corrosion
• Switching Architecture: Store‑and‑forward with 4K MAC address entries and 256 KB buffer memory
• Port Configuration: 8 × 10/100Base‑TX copper ports (RJ‑45), auto‑negotiation (10/100 Mbps), full/half‑duplex, HP‑MDIX auto‑sensing; optional 2 × 100Base‑FX multimode fiber ports (LC‑type, max distance 2 km)
• Protocols: IEEE 802.3 (10Base‑T), 802.3u (100Base‑TX/FX), 802.3x (flow control), GE IONet, IEEE 1588 PTP (1 µs synchronization accuracy)
• Switching Capacity: 1.6 Gbps (non‑blocking)
• Forwarding Rate: 1.19 Mpps (64‑byte packets)
• Power Supply: 24 V DC (nominal), voltage range 18–32 V DC; dual redundant power inputs; typical power consumption 5 W
• Operating Temperature: -40°C to +70°C
• Storage Temperature: -55°C to +85°C
• Humidity Range: 5%–95% non‑condensing
• Vibration Resistance: Compliant with IEC 60068‑2‑6 (10–500 Hz, 10 g peak)
• Shock Resistance: Compliant with IEC 60068‑2‑27 (50 g, 11 ms duration)
• Isolation: Port‑to‑port isolation (2500 Vrms) for noise immunity
• Certifications: UL/cUL Class I, Div 2 compliant; IEC 61010‑1 safety certified; CE marked for EMC compliance (EN 61326‑1)
• Dimensions: 138 mm × 86 mm × 56 mm (5.45 in × 3.40 in × 2.20 in)
• Weight: 0.5 kg (1.10 lbs)
• Mounting Options: DIN‑rail (35 mm) or panel mounting with bracket
• Diagnostic LEDs: Per‑port status (Link/Activity, Speed, Duplex), global status (Power, Fault, PTP Sync)

Functional Features

• Deterministic IONet Communication: Optimized for real‑time IONet data transfer in Mark VIe systems, ensuring minimal latency for turbine control and safety interlocks.
• Flexible Port Configuration: 8 copper ports with auto‑negotiation and optional 2 fiber ports for long‑distance connectivity, supporting mixed copper/fiber network topologies.
• IEEE 1588 PTP Synchronization: 1 µs accuracy for precise timing in critical applications like overspeed protection and rapid interlock response.
• Dual Redundant Power Inputs: Supports 18–32 V DC with redundant inputs to prevent power‑related downtime.
• HP‑MDIX Auto‑Sensing: Eliminates crossover cable requirements, simplifying installation and reducing wiring errors.
• Flow Control (IEEE 802.3x): Prevents packet loss during high‑traffic periods, ensuring reliable data transmission in industrial networks.
• Conformal Coating: Protects against harsh industrial environments, including dust, moisture, and chemical exposure.
• DIN‑Rail/Panel Mounting: Versatile mounting options for space‑constrained industrial cabinets and control panels.
• LED Diagnostics: Per‑port and global status LEDs enable rapid fault detection (link loss, speed mismatch, power issues).
• ToolboxST Compatibility: Integrated with GE ToolboxST for real‑time status monitoring and diagnostic reporting.

Application Scenarios

• Mark VIe IONet Communication: Core switch for connecting Mark VIe controllers (UCSA), I/O modules (PDIO, PPRF, PVIB), and operator interfaces in gas/steam turbine control systems.
• Power Generation: Deployed in utility power plants to provide deterministic IONet communication for turbine control, generator monitoring, and balance of plant systems.
• Oil & Gas Infrastructure: Used in compressor stations and LNG plants to link Mark VIe control systems with field I/O devices, ensuring reliable data transfer in remote and harsh environments.
• Industrial Turbine Control: Critical for real‑time communication in industrial gas turbines, supporting overspeed protection, safety interlocks, and auxiliary system integration.
• Redundant Network Topologies: Ideal for dual redundant IONet architectures, providing backup communication paths to prevent system downtime during primary link failures.
• Retrofit Projects: Compatible with legacy Mark VI systems upgraded to Mark VIe, enhancing network reliability and IONet performance.
• Process Automation: Used in manufacturing lines and industrial process control systems requiring deterministic real‑time data exchange between distributed control components.

Compatibility

• GE Platforms: Mark VIe and VIeS Speedtronic control systems, compatible with simplex, dual, and TMR architectures
• IONet Devices: Mark VIe controllers (IS220UCSAH1A‑C), I/O modules (IS220PDIOH1A, IS220PPRFH1B, IS220PVIBH1A), and operator interfaces
• Power Supplies: 24 V DC industrial power systems (18–32 V DC range) with dual redundant inputs
• Software: GE ToolboxST (v5.0+) for status monitoring and diagnostics
• Mounting Hardware: 35 mm DIN‑rail or panel mounting brackets (GE‑approved)
• Fiber Optics: Optional 100Base‑FX multimode fiber cables (LC‑type connectors, max 2 km)

Installation Notes

1. Mounting: Install on 35 mm DIN‑rail or panel using GE‑approved brackets; ensure 50 mm clearance around the switch for airflow and cable management.
2. Power Connection: Connect dual 24 V DC power inputs (18–32 V DC) to redundant power supplies; verify polarity to avoid component damage.
3. Port Configuration: Use copper ports for local IONet devices (controllers, I/O modules); connect optional fiber ports for long‑distance links (max 2 km).
4. Cabling: Use CAT5e/CAT6 cables for copper ports (max 100 m); use multimode fiber (OM1/OM2) for optional fiber ports (LC‑type connectors).
5. PTP Synchronization: Enable IEEE 1588 PTP in ToolboxST for 1 µs timing accuracy, critical for turbine safety functions.
6. LED Verification: Confirm Power, Link, and PTP Sync LEDs are active after installation; troubleshoot link loss or speed mismatch using per‑port LEDs.
7. Environmental Protection: Install in an IP54‑rated enclosure to complement conformal coating and protect against dust, moisture, and chemical exposure.
8. Post‑Installation Testing: Validate IONet communication, PTP synchronization, and redundant power operation using ToolboxST before system commissioning.

Key Advantages

• Deterministic IONet Performance: Store‑and‑forward architecture with 4K MAC entries ensures minimal latency for real‑time turbine control applications.
• Flexible Connectivity: 8 copper ports + optional 2 fiber ports support mixed copper/fiber networks, adapting to diverse industrial topologies.
• IEEE 1588 PTP: 1 µs synchronization accuracy enables precise timing for safety‑critical functions like overspeed protection.
• Dual Redundant Power: Redundant 24 V DC inputs prevent power‑related downtime, critical for mission‑critical industrial systems.
• Conformal Coating: Robust environmental protection ensures reliable operation in power plants, oil & gas facilities, and industrial factories.
• Simplified Installation: HP‑MDIX auto‑sensing and plug‑and‑play operation reduce wiring errors and installation time.
• LED Diagnostics: Per‑port and global status LEDs enable rapid troubleshooting, minimizing maintenance downtime.