IC3600KMVH1C - Annunciator Relay Card

SPECIFICATIONS

Part No: IC3600KMVH1C
Manufacturer: General Electric
Function: Annunciator Relay Card
Series: Mark I and II
Repair: 3-7 Day
Availability: In Stock
Country of Manufacturer: United States (USA)

Functional Description

IC3600KMVH1C is an Annunciator Relay Card developed by GE. It is a part of Mark I and II control system. These control systems were among the earliest digital control solutions for gas turbines, enabling effective monitoring, automation, and safety functionalities for industrial gas turbines. The Mark I and II systems have largely been replaced by newer Speedtronic systems, such as Mark IV, Mark V, and Mark VI. These newer systems offer enhanced functionality, increased processing power, and greater integration capabilities, significantly improving turbine efficiency, reliability, and control precision.

Features

• Voltage and Power Compatibility: It operates on 24 VDC, a common control voltage in industrial settings. This voltage level ensures compatibility with other control components and reliable, low-power operation within the system. The 24 VDC rating also enhances the durability and longevity of the relays, providing consistent response times and minimizing wear over extended use.
• Relay Configuration - K1 through K4: The relays marked K1, K2, K3, and K4 are responsible for annunciating different alarm and status signals. Each relay is assigned to specific parameters and operational conditions in the turbine, such as temperature, pressure, or flow rate. These relays are electromechanical devices that respond to different input signals, creating a physical connection that can activate alarms or lights on an operator panel, making turbine monitoring easier and more effective.
• Annunciation Functions: Annunciator relay cards are critical for real-time fault detection and alerting. When operational conditions fall outside of safe ranges, the relay card triggers alerts, allowing operators to make immediate adjustments or shut down equipment if necessary to avoid damage. This functionality was especially valuable in the early stages of turbine automation, as it reduced the need for constant manual monitoring and helped prevent failures through early warnings.
• Durability and Reliability: Built for the rigorous conditions of industrial environments, this relay card is known for its high durability and resilience. Its construction allows it to withstand temperature fluctuations, vibrations, and other stresses that are typical in turbine settings.

Role in Mark I and Mark II Control Systems

The Mark I and Mark II systems were designed to automate and streamline gas turbine operations, which traditionally required significant manual intervention. The card, as part of these systems, enabled efficient and centralized monitoring and control, thus making gas turbines more dependable and reducing downtime. These early systems were groundbreaking in their approach to digital control, giving operators far more insight and command over turbine operation than was previously possible.

Transition to Newer Systems - Obsolescence

As the demand for increased performance, scalability, and reliability grew, GE introduced the Mark IV, Mark V, and eventually the Mark VI and Mark VIe Speedtronic systems. These newer systems incorporated more sophisticated digital processing capabilities, allowing for advanced data analytics, remote monitoring, and enhanced fault tolerance. Some key advancements include:

• Microprocessor-Based Control: The Mark IV and subsequent models introduced microprocessor-based controls, moving beyond the relay-based designs of earlier systems. This shift allowed for faster and more flexible processing of control signals.
• Enhanced Diagnostic Capabilities: With the newer Speedtronic models, diagnostics became far more detailed and capable, allowing predictive maintenance, fault logging, and more granular control over turbine parameters.
• Integration with Modern Communication Protocols: The newer models support advanced communication protocols (like Modbus and Ethernet), enabling seamless integration with plant-wide control systems and the Industrial Internet of Things (IIoT).

WOC is happy to assist you with any of your GE requirements. Please contact us by phone or email for pricing and availability on any parts and repairs.

FREQUENTLY ASKED QUESTIONS

What is IC3600KMVH1C?
It is an Annunciator Relay Card developed by GE.

Is it possible to find replacement parts for the Relay Card?
Yes, replacement parts and refurbished cards are available through WOC specializing in legacy GE Speedtronic system components.

What are the main benefits of upgrading from Mark I/II to a newer Speedtronic system?
Upgrading provides several benefits, including improved processing power, enhanced diagnostic features, remote monitoring capabilities, and better integration with plant control systems. Newer systems (like Mark VI) also offer enhanced safety and performance, making them more suitable for modern turbine operations.