DS3800HFPA - Processor/Flux Program Circuit Board

SPECIFICATIONS:

Part Number: DS3800HFPA
Manufacturer: General Electric
Series: Mark IV
Product Type: Processor/Flux Program Circuit Board
Board Type: Processor
Function: Real-time turbine control
Firmware: Non-volatile memory (EPROM)
Input Types: Analog, Digital
Operating Voltage: 5V TTL
Operating Temperature: 0�C - 55�C
Board Size: 15.7 cm High x 18.5 cm
System Role: Central processor
Repair: 3-7 Days
Weight: 2.00 lbs
Country of Origin: USA
Availability: In Stock

FUNCTIONAL DESCRIPTION:

DS3800HFPA is a Processor/Flux Program Circuit Board manufactured and designed by General Electric as part of the Mark IV Series used in GE Speedtronic turbine control systems. It serves as the central processing module, executing real-time control algorithms for turbine start, run, shutdown, and protective sequences. The board contains firmware stored in non-volatile memory that governs system logic, coordinating inputs from sensors and I/O modules and generating outputs according to predefined control sequences and interlocks. Signal interfacing is implemented using transistor-to-transistor logic (TTL) circuitry and discrete components, with a modular edge connector providing communication with the system backplane. Diagnostic access is available via front-panel test points, and configurable jumpers allow selection of operational modes.

CORE PROCESSING FUNCTIONS:

The card contains firmware stored in non-volatile memory, which defines all operational and control logic for turbine automation. The processor executes real-time control algorithms, continuously monitoring inputs from sensors and I/O modules, including analog measurements, digital status signals, and feedback loops. It performs sequence generation, interlock enforcement, and protective logic calculations to ensure safe and reliable turbine operation. Outputs are generated in accordance with predefined control programs, including actuation signals, alarm triggers, and system status notifications.

SIGNAL HANDLING AND LOGIC INTERFACE:

The board receives input signals from sensors, analog transducers, and digital I/O modules, conditioning and buffering them for processing by the on-board firmware. Outputs are similarly driven through TTL drivers to the backplane and peripheral modules, maintaining signal integrity under high-speed switching conditions. Communication with the system backplane is achieved via a modular edge connector, which provides standardized electrical and mechanical interfacing for high-speed digital signal exchange with other control modules.

At WOC, we maintain a comprehensive inventory of replacement parts for GE Speedtronic Turbine Control Systems, including both unused, warranty-backed boards and expertly refurbished modules that meet stringent operational standards. In addition to supplying replacement components, we provide specialized repair and restoration services for damaged or malfunctioning boards, ensuring reliable performance and extending the service life of critical turbine control equipment. Our team of experienced engineers and technicians offers 24/7 support, handling OEM requirements, technical troubleshooting, system upgrades, and automation solutions to minimize downtime and optimize system efficiency. Whether you need detailed component specifications, urgent repair services, or guidance on system integration, we deliver prompt, dependable assistance via phone or email, helping you maintain continuous, high-performance turbine operation.

REQUENTLY ASKED QUESTIONS:

What is DS3800HFPA?

The DS3800HFPA is a Processor/Flux Program Circuit Board for turbine control systems. It executes real-time control algorithms for turbine start, run, shutdown, and protective sequences. Firmware stored in non-volatile memory governs the logic, coordinating inputs from sensors and I/O modules. The board communicates with the system backplane to interface deterministically with other control modules.

What are the primary functions of the board?

The board performs real-time turbine control, including sequence generation, interlock enforcement, and protective logic execution. It continuously monitors sensor inputs and I/O module signals to generate precise outputs. Actuation commands, alarms, and system status notifications are produced according to predefined logic programs. Fault detection and diagnostics are integrated to maintain operational integrity.

What types of inputs and outputs are supported?

Inputs include analog signals, digital status signals, and feedback from sensors and I/O modules. Outputs include actuation commands, system alarms, and status signals for coordination with other modules. The board conditions and buffers all signals to ensure proper voltage levels and timing integrity.