Product Overview

The General Electric DS200SLCCG3ACC is a high-performance LAN Communications Card engineered for the Speedtronic Mark V control system. This module serves as the primary data exchange gateway between the host turbine drive and the wider Local Area Network (LAN). By managing both isolated and non-isolated circuitry, the board ensures reliable signal transmission while protecting sensitive control logic from external electrical interference. The DS200SLCCG3ACC is a critical component for industrial drive coordination, providing the deterministic communication necessary for synchronized turbine operations and real-time system monitoring.

Technical Characteristics

The DS200SLCCG3ACC features a sophisticated multi-processor architecture designed for continuous industrial service:

Integrated LAN Control Processor (LCP) The board is powered by a dedicated LAN Control Processor that independently manages network traffic and signal translation. This offloads communication overhead from the main drive control processor, ensuring that time-critical turbine control loops remain unaffected by network demand.

Dual-Ported RAM Architecture To facilitate high-speed, "bumpless" data exchange, the LCP communicates with the drive control processor via onboard dual-ported RAM. This memory structure allows both processors to access common data simultaneously, eliminating bottlenecks during high-frequency data transfers.

Modular Firmware Storage The application-specific code and communication protocols are housed in removable EPROM cartridges. This modular memory design allows for easy firmware updates or hardware re-purposing without requiring specialized programming equipment on the main PCB.

Voltage Suppression and Hardware Protection The card is equipped with industrial-grade voltage-limiting components, including diodes, rectifiers, and capacitors. These elements protect the internal circuitry against back-EMF and transients. Additionally, the entire PCB assembly is treated with a specialized protective coating to resist moisture, dust, and atmospheric contaminants common in power plant environments.

Diagnostic and Configuration Support The DS200SLCCG3ACC is compatible with an attachable programmer keypad, which allows technicians to perform direct system diagnostics, modify communication parameters, and view real-time status registers without needing an external computer.

Technical Specifications

• Manufacturer: General Electric (GE)

• Model Number: DS200SLCCG3ACC

• Product Type: LAN Communication Card

• System Family: Speedtronic Mark V

• Processing: Integrated LAN Control Processor (LCP)

• Memory: Removable EPROM Cartridges

• Interface: Dual-Ported RAM

• Weight: 1.4 kg

• Dimensions: 27.8 x 21.2 x 4.8 cm

• Origin: USA

Application Areas

The DS200SLCCG3ACC is an essential interface for:

• Turbine Drive Systems: Coordinating signal exchange between the Mark V controller and the drive power bridge.

• Network Integration: Linking standalone turbine assets into a centralized DCS or SCADA network.

• Redundant Control Systems: Managing synchronized data across multiple drive control processors in high-availability setups.

• Legacy System Upgrades: Maintaining and expanding the communication capabilities of existing Mark V hardware.