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The GE DS215DMCAG1AZZ01A is a critical, highly-integrated printed circuit board assembly used in General Electric’s industrial control systems, most famously the Speedtronic Mark V Turbine Control System.
The name “Gen/Log/Key/Interface Card” describes its multi-faceted role within the control system’s architecture.
⚙️ Key Specifications and Function
| Feature | Specification/Description |
| Product Type | Drive Main Control Assembly (DMCA) / Processor Interface Board |
| Series/Family | GE Speedtronic Mark V Turbine Control Systems and associated Drives (e.g., DC2000) |
| Core Function | Interface and Logic Processor. This board often serves as an interface between the main turbine control processor (like the UCOM board) and the various system components it manages. |
| Gen/Log/Key/Interface | This descriptive name refers to the multiple logical functions it handles: * Log: Manages and buffers data for event and fault logging. * Key: Handles functions related to the keypad interface (OC2000 or similar HMI) and local operator controls. * Gen/Interface: Handles general I/O interfacing, data acquisition, and communication with other logic sections of the drive or turbine control. |
| Architecture | It operates within the modular VME rack of the Mark V system, managing crucial logic and data flow necessary for reliable operation. |
| Firmware Role | The suffix AZZ01A indicates that the board comes pre-loaded with a specific firmware/software package, making the hardware and software a single, field-replaceable unit. |
| Status | Like most DS200 and DS215 series boards, this module is discontinued by the original manufacturer (GE) but is widely supported through the industrial surplus and repair market. |
In essence, the DS215DMCA board bridges the gap between the main computational power and the system’s logging, operator interface, and lower-level logic, allowing the primary processor to focus on core control execution.
