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Description
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Product Overview
The GE IS220PDOAH1B is a high-performance discrete output module belonging to GE’s renowned Mark VIe control system series, specifically engineered to serve as a critical interface in industrial automation architectures. As a core component of GE’s Speedtronic turbine control solutions, GE IS220PDOAH1B facilitates seamless communication between Ethernet-based control networks and field devices through its advanced B PPC processor board and dedicated acquisition circuitry. This module excels in converting digital control signals into actionable outputs, capable of managing up to 12 relay channels to drive various industrial actuators and equipment.
Designed for demanding operational environments, GE IS220PDOAH1B integrates dual Ethernet connectivity with robust relay control functionality, making it an indispensable element in mission-critical systems where reliability and response speed are paramount. Its compatibility with both electromagnetic and solid-state relays further enhances its versatility, allowing system integrators to optimize configurations based on specific application requirements within the Mark VIe ecosystem.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | GE IS220PDOAH1B |
| Manufacturer | General Electric (GE) |
| Product Type | Discrete Output Module |
| Relay Channels | 12 |
| Power Supply | 28 VDC (3-pin input) |
| Communication Interface | Dual RJ-45 Ethernet ports |
| Terminal Connection | DC-37 pin connector |
| Supported Relay Types | Electromagnetic (TR LYH 1B/C/D/F) and Solid-State (TR LYH #E) |
| Operating Temperature Range | -30 to +65°C (-22 to +149°F) |
| Dimensions | 8.26 cm (H) x 4.19 cm (W) x 12.1 cm (D) |
| Weight | < 0.91 kg (2 lbs) |
| Diagnostic Features | Indicator LEDs for visual status monitoring |
| Software Compatibility | Control ST Suite v04.04 and later |
Main Features and Advantages
Redundant communication architecture: GE IS220PDOAH1B incorporates dual Ethernet ports to support simplex, dual, or triple-redundant system configurations, ensuring uninterrupted operation even in the event of network disruptions—a critical advantage in process-critical applications like turbine control. This redundancy design minimizes downtime risks and enhances overall system availability.
Flexible relay configuration: The module supports both electromagnetic and solid-state relay options through compatible terminal boards, providing system designers with the flexibility to choose optimal switching technology based on load characteristics, response time requirements, and environmental conditions. This adaptability makes GE IS220PDOAH1B suitable for diverse industrial scenarios from heavy machinery control to precision process actuation.
Integrated diagnostic capabilities: Equipped with status indicator LEDs, GE IS220PDOAH1B enables rapid visual troubleshooting of power, communication, and relay status. This feature significantly reduces diagnostic time during system commissioning and maintenance, while the module’s compatibility with GE’s Control ST software suite ensures advanced monitoring and configuration capabilities for enhanced operational visibility.
Application Fields
GE IS220PDOAH1B finds its primary application in gas turbine control systems within power generation facilities, where it serves as a critical link between central controllers and field actuators such as fuel valves, dampers, and safety interlocks. Its robust design and hazardous location approvals (including Class I, Division 2) make it ideal for operation in oil and gas processing plants, where explosive atmospheres demand specialized equipment.
Beyond turbine control, this module excels in industrial automation scenarios requiring reliable discrete output control, including compressor stations, combined cycle power plants, and large-scale manufacturing facilities. GE IS220PDOAH1B seamlessly integrates into GE Mark VIe-based control architectures, providing consistent performance in applications ranging from simple on/off control of auxiliary equipment to complex sequence execution in coordinated industrial processes. Its wide operating temperature range further extends its usability to outdoor installations and harsh environment deployments.
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Installation and Maintenance
Installation preparation: Ensure the mounting location provides adequate ventilation and protection from excessive vibration. Verify that the power supply meets the 28 VDC requirement with proper polarity before connecting to GE IS220PDOAH1B. Use ESD protection measures when handling the module to prevent damage to sensitive electronic components. Confirm compatibility between the selected terminal board (TR LYH series) and relay type (electromagnetic or solid-state) prior to wiring.
Maintenance recommendations: Regularly inspect LED indicators on GE IS220PDOAH1B during routine system checks to verify normal operation. Clean Ethernet connectors periodically to maintain reliable communication. When replacing relays, use only GE-approved components to ensure compatibility and performance. Perform software diagnostics through the Control ST suite at least quarterly to identify potential issues before they affect operation. Ensure firmware updates are applied in accordance with GE’s recommended maintenance schedule to maintain optimal compatibility and functionality.
Product Guarantee
GE IS220PDOAH1B is backed by GE’s comprehensive quality assurance program, ensuring compliance with rigorous industrial standards and reliable performance in critical applications. The module comes with a 1-year warranty covering manufacturing defects and component failures under normal operating conditions. Customers benefit from GE’s global technical support network, providing assistance with installation, configuration, and troubleshooting throughout the product lifecycle. GE’s commitment to quality is reflected in the robust design of GE IS220PDOAH1B, engineered to deliver long-term reliability in the demanding industrial environments it serves.
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