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DS3820MAUD1A1B - Freeway Media Access Module is available in stock which ships the same day.
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Part No.: DS3820MAUD1A1B
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Product Type: Freeway Media Access Module
Availability: In Stock
Series: Mark IV
DS3820MAUD1A1B is a Freeway Media Access Module (MAM) developed by General Electric (GE) for the Mark IV Speedtronic Turbine Control System. Also known as the Directo-Matic Plus Control System Freeway Media Access Module, it serves as a communication interface that enables reliable data transfer between controllers, processors, and other system components within the Mark IV architecture.
Designed for mission-critical industrial environments, iot provides dependable communication performance, diagnostic capabilities, and flexible connectivity for gas turbine, steam turbine, and power generation control applications. Its rugged construction and built-in monitoring features help maintain continuous system operation while simplifying maintenance and troubleshooting.
Features a compact Human-Machine Interface (HMI) front panel designed to simplify installation, monitoring, and diagnostics.
Cable Connectors
The front panel includes four communication connectors:
These connectors establish secure communication pathways between the media access module and other components within the GE Mark IV control system.
Additional Connectors
The module also includes dedicated connectors for communication and power:
These interfaces ensure reliable communication with the control network while supplying stable operating power to the module.
LED Status Indicators
The front panel incorporates diagnostic windows aligned with onboard LEDs that provide immediate visual feedback regarding module health. Status indicators include:
These indicators allow maintenance personnel to quickly determine communication status and identify potential faults without removing the module.
Contains several diagnostic and configuration features that improve reliability and simplify servicing.
Six LED Indicators
The board contains six light-emitting diodes (LEDs) that correspond with the front-panel indicator windows, providing continuous monitoring of system operation and fault conditions.
Six Diagnostic Test Points
For advanced troubleshooting and maintenance, the module includes six labeled test points:
These test points enable engineers and technicians to verify communication signals and diagnose operational issues efficiently.
PCB Connector
The board incorporates a 218A4837-P12 PCB mating connector, providing secure electrical connections with compatible GE Mark IV hardware.
Six-Pin Header
A dedicated six-pin header supports system integration and communication with associated control components.
Ten Configuration Jumpers
The module includes ten configurable jumpers, allowing system engineers to customize communication parameters and operating configurations according to application requirements.
The WOC team is always available to help you with your Mark IV requirements. For more information, please contact WOC.
What is DS3820MAUD1A1B?
It is a Freeway Media Access Module developed by GE under the Mark IV series.
What are the primary features of the module?
The module includes four cable connectors (JB, JC, JD, JE), status indicator cutouts (Cable A OK, Cable B OK, Watch Dog Timer OK), and additional connectors for communication and power (JA-Link Controller and JG-Power Connector).
How does the module's PCB contribute to its functionality?
The PCB is equipped with six LEDs for real-time status indications, a six-pin header, a PCB mating connector (218A4837-P12), six test points (RXA, RXB, RCFG, DCOM, OXMIT, and 1RCV), and ten jumpers for system configuration and adjustments.
