1. Basic Information

• Model: DS200LDCCH1AGA (Function Abbreviation: LDCC)

• Brand/Series: General Electric (GE) Speedtronic Mark V Gas/Steam Turbine Control System, DS200 Series Drive Control/LAN Communication Board

• Compatibility: Compatible with GE DIRECTO‑MATIC 2000 series exciters and drives, manufactured per GEI‑100216

• Core Role: Core board for turbine drive control and LAN communication, responsible for drive computation, I/O conversion, bus communication, and system programming/diagnosis

2. Core Hardware & Configuration

• Processor Architecture: Onboard 4 dedicated processors: LAN Control Processor (LCP), Drive Control Processor (DCP), Motor Control Processor (MCP), and Co‑Motor Processor (CMP), 分工 handling communication, I/O conversion, motor control, and enhanced computation

• Interfaces & Communication: Supports multi‑bus access (LCP compatible), built‑in alphanumeric keyboard for programming and diagnosis; 14 jumpers for field configuration

• Electrical & Environment: 24V DC power supply, industrial‑grade anti‑interference and anti‑vibration design, operating temperature -30℃～+65℃, suitable for harsh power plant conditions

• Physical Specs: Approx. 2 lbs weight, standard embedded mounting, compatible with Mark V system racks

3. Core Functions

• Drive Control: Executes exciter/drive logic, processes analog/digital I/O conversion, and controls peripheral devices such as encoders and timers

• Communication Management: Acts as a LAN communication node, managing internal system bus and external device interaction to ensure real‑time and reliable data transmission

• System Diagnosis: Supports online monitoring, parameter tuning, and fault localization via local keyboard and firmware; enables quick firmware migration and configuration via EEPROM

• Redundancy Compatibility: Meets high system reliability requirements and adapts to critical power control scenarios

4. Typical Applications

• Main control and spare parts replacement for gas turbines, steam turbines, and combined‑cycle power plants

• Upgrade and maintenance of drive and communication units in industrial power units and chemical process control