GE DS200LDCCH1A Drive Control LAN Communications Board
Introduction:
The General Electric DS200LDCCH1A is a drive control and LAN communications board for Mark V and EX2000 series. It provides operator interface, LAN communications, drive and motor processing, and drive resets. This board includes four microprocessors for distributed processing. Operating temperature ranges from -30°C to +65°C.
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Technical Specifications
The GE DS200LDCCH1A belongs to the Mark V series of drive and exciter boards. It is compatible with drives in the DIRECTO-MATIC 2000 Mark V Series subseries. This board uses surface mount technology for compact construction.
General Specifications
| Parameter | Value |
|---|---|
| Part Number | DS200LDCCH1A |
| Manufacturer | General Electric |
| Series | Mark V, EX2000 |
| Product Type | Drive Control/LAN Communications Board |
| Function | CD/CC Drive Board |
| Country of Origin | USA |
| Weight | 1 lb (0.45 kg) |
| Shipping Dimensions | 16 x 12 x 12 inches |
| Board Size | 33.0 cm x 17.8 cm |
| Power Supply Voltage | 125 V dc |
| Number of Inputs | 12 |
| Operating Temperature | -30°C to +65°C |
| Technology | Surface Mount |
| Manual Reference | GEI-100216 |
Four Microprocessors
The DS200LDCCH1A includes four dedicated microprocessors for distributed processing.
| Processor | Location | Function |
|---|---|---|
| LAN Control Processor (LCP) | U18 | Accepts five bus systems, controls LAN communications |
| Drive Control Processor (DCP) | U1 | Controls integrated peripheral I/Os (timers, decoders, DMA) |
| Motor Control Processor (MCP) | U21 | Controls motor control circuits and I/O communications |
| Co-Motor Processor (CMP) | U35 | Provides additional math processing when MCP power is insufficient |
Key Features
The DS200LDCCH1A provides the following capabilities for DIRECTO-MATIC 2000 drives and exciters.
Microprocessor Control – Customer I/O, drive, and motor functions processed by dedicated processors
LAN Connectivity – Local area network connectivity for drive I/O under microprocessor control
Configuration Storage – Customer specific drive configuration information and application software
Onboard Operator Interface – Software alterations and troubleshooting without external tools
Drive Reset Capabilities – Both hardware and software reset functions
DCP Function (Drive Control Processor)
The DCP includes integrated I/O peripherals for comprehensive drive control.
| Peripheral | Function |
|---|---|
| Interrupt Controller | Manages system interrupts |
| Timer/Counters | Timing and pulse measurement |
| DMA Controller | Direct memory access for fast data transfer |
| VCO Inputs | Voltage controlled oscillator inputs |
| A/D Conversion | Analog to digital signal conversion |
| D/A Conversion | Digital to analog signal conversion |
DCP Software Functions
User interfaces for operator interaction
Regulating loops (speed, position, and other parameters)
System level operations
MCP Function (Motor Control Processor)
The MCP controls various I/O types for motor control applications.
| I/O Type | Description |
|---|---|
| Analog I/O | Buffered and coupled to 1PL |
| Timer/Counters | Timing functions |
| Watchdog Timer | System health monitoring |
| High Speed Digital I/O | Fast response inputs/outputs |
| Standard Digital I/O | General purpose discrete signals |
Communications Control (LAN Control Processor)
The LCP regulates all LAN communications for the DS200LDCCH1A.
Supported Bus Systems
| Bus System | Description |
|---|---|
| DLAN+ | GE drive LAN protocol built on ARCNET |
| DLAN | GE drive LAN system for older and smaller drives |
| Genius Bus | Uses interface board such as DS200ADGI |
| Additional Buses | Two more bus systems (refer to manual GEI-100216) |
Input Circuits
Isolated input circuits for noise immunity
Non-isolated input circuits for direct connections
Self-Testing
The DS200LDCCH1A performs board self-testing during power up. All four microprocessors and associated circuitry are tested to ensure proper operation.
Installation Guidelines
Follow these steps to install your General Electric DS200LDCCH1A board correctly.
Power Down System – De-energize all drive and exciter power sources.
Verify Compatibility – Confirm board matches your Mark V or EX2000 system.
Locate Slot – Insert the DS200LDCCH1A into the designated drive control slot.
Secure Board – Tighten all mounting screws firmly.
Connect LAN Cables – Attach appropriate bus system cables (DLAN, DLAN+, Genius).
Connect I/O Wiring – Wire customer I/O to the 12 input terminals.
Apply 125V DC Power – Verify power supply voltage matches specifications.
Run Self-Test – Monitor board LEDs for successful self-test completion.
Do not exceed 65°C operating temperature. Ensure adequate airflow around the board in the control cabinet.
Configuration Notes
| Parameter | Requirement |
|---|---|
| Power Supply | 125 V dc from system backplane |
| LAN Protocol | Configure for DLAN, DLAN+, or Genius |
| Application Software | Load customer specific configuration |
| Operator Interface | Use onboard interface for troubleshooting |
Package Contents (No Certificates or Warranty Terms)
Your shipment for product number DS200LDCCH1A includes the following items:
1 x GE DS200LDCCH1A Drive Control/LAN Communications Board
1 x Anti-static protective bag for storage
1 x Installation instruction sheet (printed)
Note: Cables, backplane, and configuration software are sold separately. Refer to manual GEI-100216 for complete documentation.
Frequently Asked Questions (FAQ)
1. What is the difference between DS200LDCCH1A and the parent DS200LDCCH1 board?
The DS200LDCCH1A is the A-rated functional product revision of the original board. It includes updated components and firmware improvements.
2. How many microprocessors does the DS200LDCCH1A contain?
This board contains four microprocessors: LCP, DCP, MCP, and CMP. Each handles specific control and communication functions.
3. What is the Co-Motor Processor (CMP) used for?
The CMP provides additional processing power for complex mathematical calculations. It activates when the MCP’s processing power is insufficient.
4. What bus systems does the DS200LDCCH1A support?
This board supports five bus systems including DLAN+, DLAN, and Genius. Two additional bus systems are documented in manual GEI-100216.
5. Is the DS200LDCCH1A compatible with EX2000 systems?
Yes. The DS200LDCCH1A is part of the EX2000 series and works with GE excitation gas turbine control systems.
6. What is the power supply requirement for this board?
The DS200LDCCH1A requires 125 V dc power from the system backplane. Do not connect external power sources.
Why Choose This Model?
The General Electric DS200LDCCH1A offers comprehensive drive control and LAN communications in a single board. Its four dedicated microprocessors distribute processing for efficient real time control. The LAN Control Processor supports five bus systems including DLAN, DLAN+, and Genius for flexible integration. The Drive Control Processor handles user interfaces, regulating loops, and system level operations. The Motor Control Processor manages analog I/O, high speed digital I/O, and watchdog timing. The Co-Motor Processor provides extra math processing for complex applications. The onboard operator interface allows software changes and troubleshooting without external tools. The -30°C to +65°C temperature range suits turbine generator environments. Choose this DS200LDCCH1A for Mark V and EX2000 drive systems, gas turbine excitation control, and DIRECTO-MATIC 2000 drive applications requiring integrated control and communication capabilities.