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GE DS200SLCCG3AGH LAN Communication Board

Configured for Ethernet and ARCnet data communication in the GE Mark V Speedtronic turbine control system, the GE DS200SLCCG3AGH (DS200SLCC LAN Communication Board) provides direct physical/electrical execution for controller network interfacing, protocol processing, and diagnostic data exchange between turbine control processors and external systems.

Suffix Breakdown & Model Matrix

Model Element	Description
DS200	GE Mark V DS200 hardware series designation
SLCC	LAN Communication Board functional acronym
G3	Board hardware configuration identifier
AGH	Functional revision and artwork revision designation
Functional Revision 1	A
Functional Revision 2	G
Artwork Revision	H

Hardware Specifications

Parameter	Specification
Model	DS200SLCCG3AGH
Brand	GE
Origin	USA
Weight	0.55 kg
Dimensions	200 x 150 x 25 mm
Operating Temp	-30 deg C to +65 deg C
Power Consumption	24 VDC, 250 mA max
Board Type	LAN Communication Board
Functional Acronym	SLCC
System Platform	GE Mark V Speedtronic Turbine Control System
Network Interface	10Base-T Ethernet (RJ45)
Additional Network Interface	ARCnet communication
Supported Protocols	TCP/IP, Modbus TCP, GE SRTP, ARCnet
Processor	32-bit CPU with integrated Ethernet controller
Firmware Memory	512 KB flash
SRAM Memory	256 KB
Data Retention	0.22 F super capacitor, approx. 72 hours
Isolation	1500 V RMS Ethernet-to-backplane isolation
Connectors	RJ45, 9-pin SUB-D debug port, terminal block
Indicators	Power, Link, Activity, Fault LEDs
PCB Protection	Normal coating

Deterministic Network Communication

The DS200SLCCG3AGH manages communication between Mark V controller cores and plant-level control networks through Ethernet and ARCnet interfaces. The onboard communication processor handles protocol conversion, packet processing, and network diagnostics without direct loading of the turbine control processor.

The board supports industrial network integration through TCP/IP, Modbus TCP, and GE SRTP communication methods. Ethernet communication paths provide deterministic data transfer between controller racks, HMI interfaces, and distributed control system connections.

Frequently Asked Questions

Q: What network interfaces are available on the DS200SLCCG3AGH?
A: The board provides a 10Base-T Ethernet RJ45 interface and ARCnet communication capability for Mark V turbine control network connections.

Q: What diagnostic information can be monitored from the board?
A: Four front-panel LEDs indicate power status, network link condition, communication activity, and fault conditions.

Q: Does the board isolate Ethernet signals from the control backplane?
A: Yes. The communication interface provides 1500 V RMS isolation between Ethernet circuitry and the Mark V backplane.

Field Installation Guidelines

Install the DS200SLCCG3AGH in the designated GE Mark V <C> core rack position and verify connector orientation before insertion. Follow approved cabinet procedures for module removal and installation.

Use shielded Ethernet cabling where required by the cabinet network design. Route communication cables separately from high-current power wiring and switching circuits to reduce electromagnetic interference.

Verify Ethernet connections, terminal wiring, and communication configuration settings before startup. Confirm DIP switch settings, network parameters, and protocol assignments according to the approved Mark V system configuration.

After power application, observe the Power, Link, Activity, and Fault LEDs to confirm communication initialization and network status.

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