DS3800DGTA - Daughter Board

SPECIFICATIONS

Part Number: DS3800DGTA
Manufacturer: General Electric
Series: Mark IV
Function: Daughter Board
Operating temperature: -35 to +55oC
Product Type: Power Supply
Country of Manufacture: United States (USA)

Functional Description

DS3800DGTA is a Daughter Board manufactured and designed by General Electrics. It is a part of the Mark IV Control System. These cards facilitate various functions, such as data acquisition from sensors that monitor critical parameters like temperature, pressure, and vibration, while also performing signal processing to ensure accurate data transmission. 

System Operator Interface Features

• The Operator Interface in the Mark IV Control System is a crucial element for user interaction with the turbine control system, enabling operators to monitor, control, and execute specific commands. The interface consists of two primary components- the control insert and a printer located in a roll-out drawer for easy access. The control insert is where operators interact with the system directly, and it plays a vital role in enhancing the user experience and operational efficiency.
• One of the key features of the control insert is the industrial-grade membrane switch, which offers significant improvements over older models that relied on dedicated switches with hand wiring. The membrane switch design enhances reliability by eliminating the need for physical wiring connections, which can degrade over time due to wear and tear. This modern switch design provides a more durable and reliable method of user interaction, ensuring that the interface performs consistently in industrial environments.
• When an operator interacts with the interface, they push a pad on the membrane switch to "arm" the desired command. This action is visually acknowledged by a flashing LED indicator and an audible beep, confirming that the command is ready for execution. The flashing LED serves as a visual cue, guiding the operator through the process of command input.
• Once the command is armed, the operator can then press the "execute" pad to initiate the command. Upon execution, the turbine will respond accordingly, and the flashing LED will turn into a steady light, indicating that the command has been successfully carried out. This provides clear feedback to the operator, allowing them to monitor system status in real time.
• To ensure accurate and deliberate input, the system has a built-in time-sensitive feature: if there is a pause of more than two seconds after arming a command, the flashing LED will automatically go out, and the execute command will be ignored. This feature helps to prevent accidental command execution due to delayed or incomplete actions, contributing to the safety and reliability of turbine operation.

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 DS3800DGTA?
It is a Daughter Board manufactured and designed by General Electrics.

How does the membrane switch in the Operator Interface work?
The membrane switch is a modern, industrial-grade component that replaces older dedicated switches with hand wiring. When an operator presses a pad on the membrane switch, it arms the command, which is acknowledged by a flashing LED and a beep. This provides visual and audible feedback, ensuring that the operator knows the system is ready for the next step.

What happens after the arm command is given?
Once the arm command is activated, the operator must then press the execute pad to initiate the action. After executing the command, the turbine will respond, and the LED will change from flashing to a steady light, indicating that the command has been successfully processed and the turbine is carrying out the action.