GE DS3800DGRA1C1B GE Turbine Control Regulator Board (Mark IV)

Description

Product Model: GE DS3800DGRA1C1B
Product Brand: General Electric (GE)
Product Series: Mark IV DS3800 Turbine Control Boards

Product Features:
• Regulator board designed for GE Mark IV turbine control systems.
• Populated with adjustable potentiometers, trimmers, wire terminals, and jumpers for field configuration.
• Standard PCB mounting with secure screw holes for industrial installations.
• Interfaces with other Mark IV control modules in turbine speed and regulator control loops.

Technical Specifications Table

Product Role & System Fit

The GE DS3800DGRA1C1B is a regulator assembly board intended for use within GE’s Speedtronic Mark IV gas and steam turbine control system. This system uses a modular rack of specialized boards, each contributing a portion of the overall control logic. Typical modules include speed processors, analog/digital converters, logic gates, sequence managers, and regulator boards that translate sensor data into actionable control signals.

Regulator boards like DS3800DGRA1C1B help condition and route signals — for example, from speed probes, temperature sensors, or governor valves — to higher-level processing units. In effect, this board acts as a bridge between raw field data and the system’s core logic, ensuring that the data reaching CPUs and control processors is within the expected range and format. Its adjustable components (potentiometers and trimmers) allow field engineers to calibrate specific control thresholds during commissioning or maintenance.

Mechanically, the board plugs into a backplane or rack mount structure common to Mark IV systems, with terminals labeled for easy identification and installation. The board’s corners include mounting holes so it can be secured against chassis vibrations — a critical requirement in turbine installations where mechanical shock and vibration are routine.

Unlike universal industrial PCBs, the GE DS3800DGRA1C1B isn’t generalized for PLC control; it’s optimized for turbine regulation. That means it’s typically specified and installed by technicians familiar with GE turbine control line cards rather than by general automation engineers. Its compatibility with other DS3800 boards ensures it integrates smoothly within GE’s ecosystem of Speedtronic modules, maintaining consistent signal interfaces and electrical characteristics across a suite of complementary boards.