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DS3820AIQA1A1A GE Synch Field Exciter Analog Board
The GE DS3820AIQA1A1A is a Mark IV Speedtronic analog terminal board and field exciter module featuring high-density diode protection and extensive multi-pin connectivity.
Description
Brief Product Description
The GE DS3820AIQA1A1A is a specialized analog terminal board and synchronization field exciter module for the Speedtronic Mark IV turbine control system. It provides precise signal regulation and high-density connectivity to manage complex turbine excitation and monitoring tasks.
Product Description
High-Performance Signal Processing for Speedtronic Mark IV
The GE DS3820AIQA1A1A serves as a vital analog interface within the legacy Speedtronic Mark IV turbine control framework. This board facilitates the precise translation of analog signals, which is essential for maintaining turbine stability and efficiency. By acting as a Synch Field Exciter Module, it manages the electrical excitation levels required for synchronous generator operations. The sophisticated layout integrates high-density component arrays to ensure that the control system receives clean, accurate data from field sensors while delivering responsive commands to power equipment.
Advanced Component Architecture and Circuit Protection
A complex network of discrete components defines the operational reliability of the DS3820AIQA1A1A terminal board. The circuit design features 11 precision transistors that amplify and modulate electronic signals to maintain system sensitivity. Furthermore, the board utilizes an extensive diode array—including 32 large red, 16 yellow, and 65 teal blue diodes—to strictly enforce unidirectional current flow. This comprehensive rectification and protection logic shields the broader DCS infrastructure from back-feeding and electrical surges. Additionally, a combination of 16 large power resistors and 65 precision resistors regulates internal energy levels, ensuring that thermal output remains within safe industrial limits.
Secure Connectivity and Physical Integration
Engineers designed the GE DS3820AIQA1A1A for seamless mechanical and electrical integration into existing control cabinets. The board features a robust mounting system with thin metal edges and dedicated screw ports to provide vibration-resistant attachment. Electrical interfacing occurs through 10 high-density connection terminals; four 10-pin male headers and six larger 26-pin terminals allow for expansive wiring to adjacent boards. Furthermore, the hardware includes four specialized metal platforms housing 53 total screw-down connection points, which guarantee high-torque, low-resistance contact for critical field wiring.
Technical Specifications
| Feature | Specification |
| Manufacturer | General Electric (GE) |
| Model Number | DS3820AIQA1A1A |
| Product Series | Speedtronic Mark IV / Multilin |
| Module Type | Analog Terminal Board / Exciter Module |
| Diode Count | 113 (Red, Yellow, and Blue Arrays) |
| Transistor Type | Signal Amplification / Switching |
| Connection Ports | 10-Pin and 26-Pin Headers |
| Weight | 3.3 kg |
| Dimensions | 46.8 x 31.7 x 6 cm |
| Origin | USA |
Additional information
| Weight | 3.3 kg |
|---|---|
| Country of Origin | USA |
| Dimension | 46.8 x 31.7 x 6 cm |
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