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The GE DS215MSTQG4AZZ01A Circuit Board with Firmware is a critical, highly-integrated electronic module used in General Electric’s high-reliability industrial control systems, specifically the Speedtronic Mark V Turbine Control System.
This board is part of the DS215 series, which denotes a complex, firmware-loaded assembly that plugs into the Mark V’s VME control rack.
⚙️ Key Specifications and Function
| Feature | Specification/Description |
| Product Type | Circuit Board with Firmware (DS215 Assembly) |
| Series/Family | GE Speedtronic Mark V Gas and Steam Turbine Control Systems |
| Functional Acronym (MSTQ) | In the context of the DS215 series, the MSTQ designation points to a board that handles crucial Master Timing, Synchronization, and Quadruple (or TMR) logic. Its function is often related to: * Inter-processor Communication: Managing the high-speed, synchronized data exchange between the Mark V’s three redundant control processors (R, S, and T). * Voting and Synchronization: Processing the timing and control signals necessary for the Triple Modular Redundancy (TMR) voting logic. * System Status: Monitoring and reporting critical system health and synchronization status. |
| Architecture | It is a complex printed circuit board designed to plug into the VME rack as a core module, often acting as a bridge or interface between the main processing and I/O sections. |
| Firmware Role | The suffix AZZ01A is crucial, confirming that the board is pre-loaded with a specific, application-defining firmware/software package. This specialized software dictates the board’s exact operational logic for synchronization and communication. |
| Revision Level | The G4 specifies the Group 4 hardware revision. |
In summary, the DS215MSTQG4AZZ01A is indispensable for the fault-tolerant nature of the Mark V system, executing the complex logic required to maintain synchronization and reliable communication among the redundant controllers.
