GE DS215UCIBG3AZZ01A Circuit Board with Firmware

GE DS215UCIBG3AZZ01A Circuit Board with Firmware

The DS215UCIBG3AZZ01A functions as the central interface and backplane for the main processing elements of the control core. Its critical roles include:

  • Host for Daughter Cards: It provides the physical and electrical connections for several specialized daughter cards to plug into it, most notably the Host CPU Auxiliary and Flash Disk boards.2
  • Network Interface Support: It includes connectors to interface with two $\mu$GENI (micro-Genius) boards. These boards are crucial for handling the high-speed input/output (I/O) communication network between the main processors and the field devices.
  • Signal Translation: The board is equipped with integrated circuitry, including 196 microprocessors, which are used for tasks like translating signals, such as those related to DLE (Dry Low 3$\text{NO}_\text{x}$ Emission) gas fuel pressures.4
  • System Foundation: It serves as the backbone for the entire Unit Controller assembly, enabling power distribution and signal integrity for the other critical cards that form the 5$\text{R}$ core (Control Engine core) in a Triple Modular Redundant (TMR) or simplex Mark V system.6
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🔥 GE DS215UCIBG3AZZ01A Circuit Board with Firmware Overview

The GE DS215UCIBG3AZZ01A is the Unit Controller Interface Board (UCIB), often referenced as a Core Motherboard or WIN System Card, used primarily in the General Electric Mark V Speedtronic Turbine Control System and associated control platforms like the EX2000 Excitation Control System.1

The designation “Circuit Board with Firmware” indicates that this is a microprocessor-based board containing EPROM/PROM modules that hold its dedicated operating program.

💡 Key Functionality

The DS215UCIBG3AZZ01A functions as the central interface and backplane for the main processing elements of the control core. Its critical roles include:

  • Host for Daughter Cards: It provides the physical and electrical connections for several specialized daughter cards to plug into it, most notably the Host CPU Auxiliary and Flash Disk boards.2
  • Network Interface Support: It includes connectors to interface with two $\mu$GENI (micro-Genius) boards. These boards are crucial for handling the high-speed input/output (I/O) communication network between the main processors and the field devices.
  • Signal Translation: The board is equipped with integrated circuitry, including 196 microprocessors, which are used for tasks like translating signals, such as those related to DLE (Dry Low 3$\text{NO}_\text{x}$ Emission) gas fuel pressures.4
  • System Foundation: It serves as the backbone for the entire Unit Controller assembly, enabling power distribution and signal integrity for the other critical cards that form the 5$\text{R}$ core (Control Engine core) in a Triple Modular Redundant (TMR) or simplex Mark V system.6

⚙️ Technical Features

  • System Series: GE Speedtronic Mark V Control System.7
  • Flexibility: It can be configured for use in both a Simplex (single controller) setup or a Triple Modular Redundant (TMR) setup, which uses three identical controllers (8$\text{R, S, T}$) for high reliability.9
  • Configuration: The board includes a single jumper switch to enable or disable a clock feature, along with multiple male and female cable connectors for external interfaces.10

When servicing this board, it is vital to ensure that the correct firmware (A-rated functional product revision) and any attached daughter cards are properly transferred and configured.11

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