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GE IS420ESWAH3A

Product Introduction

The IS420ESWAH3A is a rugged, unmanaged Industrial Ethernet Switch (IONet Switch) engineered by General Electric as a critical communication component for Mark VIe and VIeS Speedtronic Control Systems. It provides deterministic real-time IONet communication between controllers, I/O modules, and operator interfaces, enabling reliable data exchange in mission-critical industrial automation networks. The switch features 8 × 10/100Base‑TX copper ports with auto-negotiation and HP‑MDIX auto-sensing, supporting flexible network topologies with optional 2 × 100Base‑FX multimode fiber ports (LC-type) for long-distance connectivity.
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GE IS420ESWBH1A

Product Overview

The IS420ESWBH1A 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 16 copper 10/100BASE-TX ports for local device connectivity and 1 multi-mode fiber 100BASE-FX port (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.
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GE IS420ESWBH2A

Product Introduction

The IS420ESWBH2A is a rugged, unmanaged Industrial Ethernet Switch (IONet Switch) developed by General Electric for seamless integration with Mark VIe and Mark VIeS Speedtronic Control Systems. It functions as a core communication hub, offering 16 copper ports and 2 fiber ports to connect controllers, I/O modules, operator interfaces, and auxiliary devices within industrial control networks. The switch uses a store‑and‑forward architecture with a 4K MAC address table and 256 KB buffer memory to ensure deterministic IONet data transfer, critical for real‑time turbine control and safety interlocks. It supports dual redundant 24 V DC power inputs and features conformal coating to withstand harsh industrial environments with extreme temperatures, dust, moisture, and electromagnetic interference.
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GE IS420ESWBH4A

Product Type: Managed Ethernet Switch Module (24-Port) Product Introduction: The IS420ESWBH4A is a 24-port Gigabit Ethernet managed switch for GE Mark VIe control systems. It is a compact alternative to the 48-port switch, designed for smaller turbine control networks or HMI/engineering station clusters. It provides full Layer 2 switching with VLAN, QoS, and RSTP redundancy.
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GE IS420ESWCH2A

Product Name: GE IS420ESWCH2A — Excitation System Controller (Mark VI Series) Product Overview: The GE IS420ESWCH2A is an excitation system controller module within the GE Mark VIe control system family. It regulates the field current of a synchronous generator or motor, controlling terminal voltage and reactive power output.
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GE IS420ESWCH5A

Product Type: Managed Ethernet Switch Module for Industrial Control Product Introduction: The IS420ESWCH5A is a 24-port managed Gigabit Ethernet switch module for GE Mark VIe control systems. It serves as a compact alternative to the 48-port version, providing deterministic Ethernet switching for smaller turbine control networks. It supports 10/100/1000 Mbps auto-negotiation on all ports with full Layer 2 management capabilities.
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GE IS420ESWDH1A

Product Type: Managed Ethernet Switch Module Product Introduction: The IS420ESWDH1A is a 48-port Gigabit Ethernet managed switch for GE Mark VIe systems. It is an earlier hardware revision of the IS420ESWDH5A with identical core functionality but older firmware architecture. It provides Layer 2 switching with VLAN, QoS, and redundant ring support for turbine control networks.
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GE IS420ESWDH5A

Product Type: Managed Ethernet Switch Module for Industrial Control Product Introduction: The IS420ESWDH5A is a 48-port managed Ethernet switch designed for the GE Mark VIe and Mark VI control systems. It provides high-bandwidth, deterministic communication for turbine and generator control networks. The module operates within the Mark VIe distributed control architecture, supporting both Gigabit Ethernet (1000 Mbps) and Fast Ethernet (100 Mbps) port speeds.
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GE IS420PPNGH1A

Technical Specifications

  • Processor: 1066 MHz EP80579 Intel processor
  • Operating System: QNX Neutrino
  • Memory: 256 DDR2 SDRAM
  • Weight: 2.4 lbs
  • Operating Temperature: 22°F to 149°F ( - 5.56°C to 65°C)
  • Power Supply: 24 VDC
  • Maximum Profinet Data Rate: 6 kb per ms
  • Dimensions: 13.0 x 4.0 inches (approx.)
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GE IS420PUAAH1A

Product Overview

The IS420PUAAH1A is a high-performance universal I/O pack engineered by General Electric (GE Vernova, Boards & Turbine Control) for seamless integration with Mark VIe and Mark VIeS Speedtronic turbine control systems, designed to deliver flexible, high-precision signal acquisition and control in industrial automation environments. It features 16 individually configurable simplex analog channels, supporting a wide range of signal types including thermocouple, RTD, voltage, 4-20 mA current input, 0-20 mA current output, pulse accumulator, and digital input, eliminating the need for multiple specialized I/O modules and reducing system complexity. The module operates on 5V DC (supplied by Mark VIe controller backplane), integrates with IONet architecture for deterministic data transmission, and is compliant with ControlST software version V07.02.00C or later for configuration and monitoring.
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GE IS420TBCIS2C

Product Introduction

The IS420TBCIS2C is a high-reliability discrete input terminal board engineered by General Electric for the Mark VIeS Speedtronic Control System, serving as the interface between field wiring and Mark VIeS I/O modules. It provides 32 channels of isolated contact input termination, each with built-in surge suppression and high-frequency noise filtering to ensure accurate signal acquisition in harsh industrial environments. The board features two terminal blocks (TB1 and TB2) for secure field connection, and integrates seamlessly with Mark VIeS I/O modules (e.g., IS420TBCH1A) to deliver precise discrete input data for turbine control, safety interlocks, and monitoring functions.
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GE IS420UCSBH1A

Product Overview

The IS420UCSBH1A is a high-performance simplex controller module engineered by General Electric (GE Vernova, Boards & Turbine Control) for Mark VIe, Mark VIeS, EX2100e, and LS2100e control systems, designed to execute complex control logic with deterministic response times in industrial automation and turbine control applications. It features a 600 MHz Intel EP80579 processor, 256 MB ECC DDR2 SDRAM, and 2 GB NAND flash, running the QNX Neutrino real-time operating system (RTOS) for reliable, low-latency operation. The controller does not host application I/O directly; instead, it communicates with I/O modules via IONet networks (R, S, T) using IEEE 1588 precision time protocol to synchronize distributed components to within 100 microseconds.
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