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​GE IS220PDOAH1A 3364940CSP2 Mark VIe PDOA Discrete Output I/O Pack-KIMI
  • Part number:​GE IS220PDOAH1A 3364940CSP2
  • Product Origin:America
  • HS CODE:8537109021
  • Warehouse: Spot
  • Warranty: 365 days
  • Quality: Original module
  • Condition: New
  • Shipping method: Courier delivery

  • Contact person: LI MING
  • Contact number: +86 18059884790
  • WeChat:18059884790
  • E-mail: plc66@qq.com

Product Description


GE IS220PDOAH1A | 336A4940CSP2
Mark VIe PDOA Discrete Output I/O Pack for Gas/Steam Turbine Control Systems
1. Product Overview

The GE IS220PDOAH1A (336A4940CSP2) is a high-reliability discrete output (PDOA) I/O pack designed for GE Speedtronic Mark VIe turbine control systems, serving as a critical interface for controlling relay outputs (electromagnetic/solid-state) in gas, steam, and aeroderivative turbine applications. It integrates a dedicated processor board and discrete output control hardware, supporting up to 12 relay channels (configurable via terminal boards) and feedback signal acquisition from terminal boards. With dual 100Mbps full-duplex Ethernet ports for IONet connectivity, DC-37 pin terminal board interface, and compatibility with simplex/dual/triple modular redundant (TMR) systems, the module delivers precise, real-time output control for valves, actuators, alarms, and interlocks in power generation, oil & gas, and industrial turbine installations. Its rugged design (-40°C to +70°C operating range) and compliance with industrial standards (UL 508, IEC 61326-1) ensure reliable performance in 24/7 critical control environments.


GE IS220PDOAH1A 3364940CSP2 (3).png


Key Specifications
• Model: IS220PDOAH1A | Order Code: 336A4940CSP2 | Brand: GE | Series: Speedtronic Mark VIe
• Type: Discrete Output (PDOA) I/O Pack for Turbine & Industrial Control Systems
• Discrete Outputs: Up to 12 Relay Channels (Electromagnetic/Solid-State Relay Control)
• Terminal Board Compatibility: TRLYH1B/C/D/F (Electromagnetic), TRLYH1E (Solid-State), SRLY Series
• Communication: Dual 100Mbps Full-Duplex Ethernet (RJ-45) for IONet Connectivity
• Response Time: ~6ms (Ethernet Command to Output Activation)
• Redundancy: Supports Simplex/Dual/Triple Modular Redundant (TMR) Mark VIe Configurations
• Power Supply: 24V DC (3-Pin Connector); Power Consumption: 5.2W (Typical), 6.0W (Max)
• Environmental: Operating -40°C to +70°C; Storage -55°C to +85°C; Humidity 5-95% (Non-Condensing)
• Dimensions: 51mm (W) × 83mm (H) × 127mm (D); Weight: 0.55kg
• Certifications: CE, UL 508, IEC 61010-1, IEC 61326-1; ATEX Zone 2 (UL DEMKO Certified)
2. Core Features
• Relay Output Flexibility: Controls Up to 12 Relays (Electromagnetic/Solid-State) with Feedback Monitoring
• Dual Ethernet Redundancy: Ensures Uninterrupted Communication with Mark VIe Controllers
• Output Enable Function: Disables Outputs During Power-Up Until Internal Self-Tests Complete (Safety Interlock)
• LED Status Indicators: Power, Attention, Tx/Rx, Link for Real-Time Diagnostics
• DC-37 Pin Terminal Interface: Direct Connection to Terminal Boards for Simplified Field Wiring
• Hot-Swappable: Supports Online Replacement in Redundant Configurations (No System Shutdown)
• Conformal Coating Option: Enhances Reliability in Harsh Dust, Humidity, and Vibration Environments
• Feedback Monitoring: Accepts Relay Status Feedback from Terminal Boards for Fault Detection


YMGK Purchase Information
This section covers key details customers care about regarding purchasing, to support your global industrial product procurement needs.
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Email: plc66@qq.com
  • Global Inventory: 121 shared inventories worldwide, enabling direct procurement from overseas warehouses for faster delivery.
  • Pricing & After-Sales: Competitive prices plus reliable after-sales warranty services.
  • Customer Coverage: Serving clients across United States, Germany, Japan, South Korea, United Kingdom, France, Italy, Canada, Brazil, India, Australia, Russia, Spain, Netherlands, Switzerland, Sweden, Belgium, Austria, and Turkey.
  • Product Quality: All items are brand new and original. Spare parts include a 1-year warranty, and all products are tested and certified.
  • Discounts: Contact us for bulk-order discounts. We also offer further price adjustments if you receive lower quotes for identical products from other suppliers.
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3. Typical Applications

• Power Generation: Gas/Steam Turbine Valve Control, Trip System Actuation, Auxiliary Equipment Relay Logic
• Oil & Gas: Pipeline Compressor Turbines; Offshore Platform Power Systems (Safety Interlock Relays)
• Industrial Turbines: Cogeneration Plants; Combined Cycle Power Systems (Relay-Based Sequencing)
• Marine: Shipboard Propulsion Turbines; Onboard Power Generation (Mark VIe Marine Configurations)
• Critical Infrastructure: Emergency Power Systems; Data Center Backup Generators (Turbine Safety Shutdown)
• Process Industry: Refineries, Chemical Plants (Turbine-Driven Equipment Relay Control & Interlocks)
4. Installation & Maintenance
Installation: Mount in Mark VIe I/O Chassis; Connect 24V DC Power; Wire Terminal Board to Relays/Actuators; Configure Dual Ethernet (IP Address, Subnet); Verify LED Status (Power ON, Comms Active, No Fault).
Maintenance: Weekly: Check LED Indicators & Ethernet Connectivity; Monthly: Test Output Channels via ToolboxST; Annual: Inspect for Dust/Corrosion; Update Firmware via Mark VIe IONet.
Safety Notes: De-Energize Chassis Before Installation/Maintenance; Use ESD Protection; Follow GE Mark VIe Safety Guidelines; Isolate High-Voltage Circuits from Control Wiring.
Technical Document | GE IS220PDOAH1A 336A4940CSP2 | Mark VIe PDOA Discrete Output I/O Pack for Industrial Turbine Control
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