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IS220PDOAH1A REV B

IS220PDOAH1A, REV B - Discrete Output Module

IS220PDOAH1A, REV B - Discrete Output Module IS220PDOAH1A, REV B - Discrete Output Module

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SPECIFICATIONS

Part No.: IS220PDOAH1A, REV B
Manufacturer: General Electric
Series: Mark VIe
Size: 8.26 cm high x 4.19 cm wide x 12.1 cm deep
Technology: Surface-mount
Number of relay channels: 12 relays
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

IS220PDOAH1A, REV B is a Turbine Discrete Output Module developed by GE. It is a part of Mark VIe control system. This module functions as an electrical interface between one or two I/O Ethernet networks and a discrete output terminal board, enabling precise control over turbine operations. It plays a critical role in executing relay-based control functions within industrial applications, ensuring efficient and reliable turbine performance.

Features

  • The PDOA pack is designed to control up to twelve relays while simultaneously accepting specific feedback signals from the terminal board. This feature ensures that the output commands are executed accurately, minimizing operational errors and improving system reliability. The module supports both electromagnetic and solid-state relays, depending on the type of terminal board used, making it adaptable for various industrial applications.
  • Supports different types of relays based on the terminal board configuration. When paired with TRLYH1B, C, D, and F terminal boards, the module operates with electromagnetic relays, which are ideal for high-power switching applications. Alternatively, when used with TRLYH1E terminal boards, it supports solid-state relays, offering faster switching speeds and enhanced durability. This compatibility allows the module to function in diverse environments with varying operational demands.
  • The module is designed for seamless integration into the Mark VIe control system with its robust connectivity options. It features dual RJ45 Ethernet ports, allowing for single or redundant network communication, which enhances system reliability. The three-pin power input ensures a stable power supply, while the DC-37 connector provides direct output connectivity to the associated terminal board. These connections facilitate efficient communication between the module and the control system, ensuring smooth operation and minimal downtime.
  • The PDOA module includes LED indicators that provide real-time diagnostic feedback, helping operators monitor system status and detect faults. These indicators display information related to power status, network activity, and error conditions, enabling quick identification and resolution of issues. By offering clear visual diagnostics, the module simplifies troubleshooting and enhances overall system maintenance.

Diagnostics and Self-Monitoring

  • Power-Up Self-Test: The module performs a comprehensive self-test during startup to verify the integrity of its components. This self-test checks the RAM, flash memory, Ethernet ports, and processor board hardware to ensure all elements are functioning correctly. By conducting these tests before operation, the system minimizes the risk of failures during critical turbine processes.
  • Continuous Power Supply Monitoring: To maintain consistent performance, the PDOA pack continuously monitors its internal power supply. Any voltage fluctuations or power issues are detected in real time, allowing for prompt corrective actions. This monitoring feature ensures stable operation and prevents unexpected shutdowns that could disrupt turbine performance.
  • Hardware Compatibility Checks: To avoid potential hardware mismatches, the module verifies the electronic ID information of the terminal board, acquisition board, and processor board. Additionally, it confirms that the application code loaded from flash memory is appropriate for the specific hardware set. This verification process ensures seamless compatibility between system components, reducing the likelihood of configuration errors.
  • Relay Command Verification: The module continuously checks the commanded state of each relay against the feedback from the output circuit. If a discrepancy is detected, an alert is generated, allowing operators to take necessary corrective measures. This verification process enhances the reliability of relay operations and ensures that all output commands are executed accurately.
  • Relay Feedback Processing: The PDOA pack processes relay-specific feedback based on the terminal board type, providing valuable data on relay performance and status. This feedback allows for continuous monitoring of relay functionality, enabling predictive maintenance and reducing the risk of unexpected failures. The module’s ability to interpret relay feedback effectively contributes to a more reliable and efficient control system.
  • Integration with PGEN Pack for Load Unbalance Protection: If configured for IO module trip from a PGEN pack, the PDOA continuously monitors multi-cast communications with the PGEN module. This functionality plays a crucial role in power load unbalance (PLU) protection by ensuring that the system responds appropriately to load fluctuations. By integrating with the PGEN pack, the module enhances the overall stability and safety of the turbine control system.
  • ToolboxST Application for Detailed Diagnostics: All diagnostic information can be accessed through the ToolboxST application, providing operators with detailed insights into module performance. The application allows for individual diagnostic signals to be latched and reset using the RESET_DIA signal when conditions return to normal. This centralized diagnostic tool simplifies system monitoring and troubleshooting, making it an essential component of the Mark VIe control system.

World of Controls has the most comprehensive collection of GE Mark VIe components. Please contact WOC as soon as possible if you require any extra information.

Frequently Asked Questions

 

What is IS220PDOAH1A, REV B?
It is a Discrete Output Module developed by GE.

What types of relays are supported?
The module supports both electromagnetic relays (for terminal boards TRLYH1B, C, D, and F) and solid-state relays (for terminal boards TRLYH1E). This gives users flexibility depending on their specific application needs.

How does the module communicate with other systems?
The module communicates through dual RJ45 Ethernet connectors for single or redundant network configurations. It also has a three-pin power input and uses a DC-37 pin connector for discrete output connections to the terminal board.

How does the self-test process work during startup?
At power-up, the module performs a self-test that checks the RAM, flash memory, Ethernet ports, and processor board hardware. This ensures that all components are functioning correctly before the module is deployed for operation.