DS3800HMAC1H - Media Access Unit

SPECIFICATIONS

Part No.: DS3800HMAC1H
Manufacturer: General Electric
Series: Mark IV
Product type: Media Access Unit
Repair: 3-5 Days
Availability: In Stock
Country of Manufacture: United States (USA)

Functional Description

DS3800HMAC1H is a Media Access Unit developed by GE. It is a part of Mark IV control system. The Mark IV was one of the first in the SPEEDTRONIC series to introduce triple-redundant microprocessors, significantly enhancing reliability. The system can continue functioning even if one processor fails, providing uninterrupted turbine control and ensuring operational continuity.

Features and Design

• Data Transmission Control: As a media access unit, it is responsible for determining how data is transmitted between devices within the control system. This feature is essential in maintaining the integrity and efficiency of data flow, ensuring that all connected components communicate effectively and without interference.
• Connectors for Reliability and Flexibility: Equipped with stab-on connectors and pin connectors along its rear edge, facilitating a secure and stable connection to other system components. These connectors are designed for easy installation and maintenance, allowing for quick interfacing with other modules and minimizing downtime during servicing.
• Mounted Dials for Precise Adjustments: It includes four mounted dials, which have been hardwired directly onto the board just behind the mounting area. These dials enable fine-tuning of specific parameters, allowing technicians to adjust settings with precision to suit the specific requirements of the turbine control environment.
• Function and Application: The Media Access Unit is a core component in the Mark IV control system, providing a dependable solution for data management in power generation and industrial environments. By managing how data is shared between modules, helps prevent communication errors and improves the overall stability of the control system. The unit�s sturdy design with accessible connectors and adjustment dials supports long-term use in demanding industrial settings, ensuring that turbines remain operational with minimal disruption.

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

Frequently Asked Questions

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What is DS3800HMAC1H?
It is a Media Access Unit developed by GE.

How does the system use data from these distributed sensors?
Each section (R, S, T) sends its sensor readings to the control section C. The C section calculates the median of these values, providing a balanced reading that filters out anomalies. This median value is then communicated back to R, S, and T for consistent turbine control.

Why is the median value used to control the turbine?
The median value helps stabilize control by minimizing the impact of any outlier or faulty readings from individual sensors. By focusing on the median of the 13 thermocouples, the system can more accurately represent the true exhaust temperature, ensuring reliable turbine control.

What happens if there�s a failure in one of the sections?
If a failure occurs, each section R, S, and T can independently assess the turbine's condition and adjust fuel limits accordingly. This redundancy ensures that turbine control remains intact, even if one section�s sensors or calculations are compromised.