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GE DS200SLCCG3A Mark V LAN Communications Card

The GE DS200SLCCG3A, also cataloged as the DS200SLCC LAN Communications Card, operates as a dedicated hardware component for LAN signal processing and communication interface control within the GE Mark V Speedtronic Turbine Control System.

Hardware Specifications

Parameter	Specification
Model	DS200SLCCG3A
Brand	GE General Electric
Origin	United States
Weight	0.3 kg
Operating Temp	0 deg C to +70 deg C
Product Type	LAN Communications Card
Control System Series	Mark V Speedtronic
Functional Acronym	SLCC
Onboard Processor	LAN Control Processor (LCP, U1)
Firmware Storage	Dual replaceable EPROM sockets (U6, U7)
Data Exchange Memory	Dual-Ported RAM (U5)
Additional Memory	RAM sockets U8 and U9
Display Interface	16-character alphanumeric LED display
Primary Connectors	3PL and KPPL
Mounting Method	Standoff-mounted on SDCC parent board
Configuration Hardware	Berg jumpers (JP) and wire jumpers (WJ)
Manual Reference	GEI-100162B

Industrial Network Communication Processing

The DS200SLCCG3A performs LAN communication processing through its onboard LAN Control Processor (LCP). The processor manages local packet handling, communication filtering, and data transfer between the SLCC board and the associated Drive Control Processor through the 3PL interface.

The board uses dual-ported RAM to provide simultaneous memory access between the LCP and the parent SDCC control board. This architecture supports direct exchange of control and status data without requiring serial buffering through external communication devices.

The firmware architecture uses replaceable EPROM devices installed in U6 and U7 sockets. Replacement boards are supplied with empty EPROM sockets, requiring transfer of programmed EPROM devices from the existing board during field replacement operations.

Frequently Asked Questions

Q: What is the function of the DS200SLCCG3A KPPL connector?
A: The KPPL connector provides the interface for an external programmer key module. It allows access to diagnostic displays, system status codes, and configuration information through the integrated display system.

Q: Can the DS200SLCCG3A operate without transferred EPROM devices?
A: The board requires the correct firmware stored in the EPROM devices installed at U6 and U7. Replacement installation requires transferring compatible programmed EPROM devices from the original SLCC board when applicable.

Q: How is the DS200SLCCG3A configured for system operation?
A: Hardware configuration is performed through factory and application-specific settings using Berg-type jumpers (JP) and wire jumpers (WJ) located on the PCB.

Field Installation Guidelines

• Install the DS200SLCCG3A directly onto the compatible SDCC parent control board using the specified standoff mounting arrangement.
• Verify that all EPROM devices are correctly transferred and seated before system power application.
• Inspect the 3PL connector interface for proper alignment and mechanical engagement before installation.
• Maintain separation between communication wiring and high-current power conductors to reduce electrical interference.
• Ensure PCB handling procedures include ESD protection when installing or removing the communication card.
• Confirm jumper positions (JP and WJ) match the required system configuration before returning the turbine control cabinet to service.

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