Description
The GE DS200DMCBG1AED and its later iteration, the DS215DMCBG1AZZ03A, are high-performance Drive Control and LAN Communication boards (DMCB). These modules are integral to the Speedtronic™ Mark V Turbine Control System and the DIRECTO-MATIC™ 2000 (DC2000) drive family. They provide a sophisticated interface for data processing, operator interaction, and high-speed network communication in gas, steam, and wind turbine applications.
While the DS200 version represents the original hardware design, the DS215 version (indicated by the “215” prefix) is a “Form, Fit, and Function” replacement that often includes updated circuitry, improved surface-mount components, and specific firmware enhancements to ensure compatibility with modern system revisions.
Product Parameters (Datasheet)
Both boards utilize a multi-microprocessor architecture to handle control and communication tasks simultaneously without latency.
GE DS200DMCBG1AKG DS215DMCBG1AZZ03A
| Parameter | Specification |
| Model Number | DS200DMCBG1AED / DS215DMCBG1AZZ03A |
| Primary Processor (DUP) | Intel 80C186 @ 33 MHz |
| LAN Processor (LUP) | Intel 80C196 @ 15.667 MHz |
| Keyboard Processor (KUP) | Intel 80C196 @ 11.059 MHz |
| Number of Channels | 12 (Dedicated analog/digital paths) |
| Communication Protocols | DLAN, DLAN+ (ARCNET), RS-232C |
| Optional Interfaces | Genius LAN, DS200IOEA I/O Expansion |
| Analog Output Current | 0-20 mA |
| Operating Voltage | 115/230V AC (Via auxiliary supply) or 24V DC Internal |
| Operating Temperature | -30°C to +65°C |
| Diagnostic Display | LED indicators & alphanumeric keypad interface support |
| Protection | Onboard fuses and voltage-limiting resistors/diodes |
Technical Features & Architecture
- Multi-Processor Logic: The DUP (Dominant Microprocessor) executes the primary drive control algorithms and application code, while the LUP handles the heavy lifting of network communications (DLAN/DLAN+), ensuring process data is shared across the control ring without interrupting motor logic.
- Firmware Sophistication: The DS215DMCBG1AZZ03A is typically pre-loaded with specific firmware (AZZ03A) designed to support advanced excitation and drive control features, including expanded I/O mapping.
- Network Versatility: Supports multiple LAN topologies. When equipped with optional daughterboards, it can interface with the Genius LAN protocol for distributed I/O control.
- Robust Protection: The board is populated with protective fuses and blue-colored drum-style electrolytic capacitors for voltage filtering and surge suppression, safeguarding the module from momentary power fluctuations.
Country of Origin
- Primary Origin: United States (USA).
Installation & Maintenance Guidelines
- ESD Protection: These boards are highly populated with sensitive integrated circuits (ICs). Always use an anti-static wrist strap and handle the board only by its edges.
- Jumper Configuration: The DS200DMCB series contains over 20 hardware jumpers. These must be meticulously verified against the original board’s settings before power-up, as they define signal levels, bus addresses, and watchdog timers.
- Fuse Verification: If the board stops functioning after a power surge, check the two onboard fuses. Only replace them with fuses of the exact same rating to prevent component damage.
- Connector Integrity: The board features several 26-pin and 40-pin connectors. Ensure cables are fully seated and that the cable strain relief is used to prevent vibration-induced signal loss.
Recommended Related GE Mark V / DC2000 Products
To maintain a complete Speedtronic Mark V or DC2000 drive system, the following related components are frequently utilized:
- DS200IOEA: Input/Output Expansion Interface board used to increase the I/O capacity of the DMCB.
- DS200ADGI: Auxiliary Interface board providing additional signal conditioning for turbine sensors.
- DS200DPCB: Power Connect Board used to distribute AC/DC power within the drive cabinet.
- DS200LDCCH1A: Drive Control / LAN Communications board (often used in earlier or parallel architectures).
- IS200STCIH1A: Terminal Board for I/O signal termination and surge protection.
- DS200SDCC: Drive Control card often paired with the DMCB in EX2000 excitation systems.
