The GE DS200DPCBG1AAA (designated as the DPCB board) is a microprocessor-based drive controller and display processor board manufactured by General Electric (GE / GE Fanuc). It is utilized across GE industrial drive systems, excitation controllers (such as the EX2000 / DC2000 / AC2000 series), and Speedtronic™ turbine control platforms to execute digital processing, manage drive state algorithms, and handle local keypad/display interface communication.
Key Specifications & Identification
| Attribute | Details |
| Manufacturer | General Electric (GE / GE Fanuc) |
| Part Number | DS200DPCBG1AAA |
| Board Acronym | DPCB (Drive / Display Processor Control Board) |
| Functional Group | Group 1 (G1) board with revision level AAA |
| System Compatibility | GE Innovation Series Drives, EX2000 Excitation, DC2000/AC2000, Speedtronic Mark V |
| Onboard Architecture | Microprocessor, socketed EPROMs, configurable jumper headers |
| Interfacing | Connects to keypad displays, power bridge driver cards, and system backplane |
Primary System Functions
- Digital Drive Logic Execution: Processes motor control loops, speed/torque calculations, and gating signals required for drive firing circuits.
- Display & Operator Interface Management: Drives data updates to local programmer keypads, door-mounted LCD/LED displays, and diagnostic terminals.
- Fault Detection & Alarm Diagnostics: Continuously monitors drive operating parameters—such as overcurrent, overvoltage, phase loss, and overtemperature—tripping protection circuits when limits are exceeded.
- Communication Interfacing: Exchanges real-time reference setpoints, feedback parameters, and run/stop commands with LAN interface cards and supervisory PLC/DCS controllers.
Servicing & Replacement Guidelines
- ESD Protection: Static-sensitive microprocessors and CMOS memory chips require anti-static precautions. Always wear a grounded ESD wrist strap during handling.
- EPROM / Firmware Transfer: When replacing a failed DPCB board, ensure socketed EPROM/EEPROM memory chips containing site-specific drive parameters and firmware are transferred to the replacement unit if required.
- Jumper Configuration Matching: Verify that all hardware jumper headers on the replacement DPCB board strictly mirror the positions on the original card before applying power.
- Power Isolation Safety: Ensure the entire drive or control cabinet is de-energized, locked out, and DC bus capacitors are fully discharged before removing or inserting the card assembly.
