Description
Key Technical Parameters
| Parameter | Specification |
|---|---|
| Function | SDC communication and gateway board |
| Communication Ports | 2x Ethernet (10/100Base-T), 4x RS-232/RS-485 serial ports, 1x fiber optic port |
| Protocols Supported | MODBUS TCP, MODBUS RTU, DNP3, Profibus DP, IEC 61850, GE proprietary Mark V protocols |
| Gateway Features | Protocol conversion between serial and Ethernet networks, data routing, network management |
| Data Rate | Ethernet: 10/100 Mbps; Serial: 300 bps to 115.2 kbps; Fiber: 100 Mbps |
| Diagnostic Indicators | 14 LEDs – 2 “E-LINK” (Ethernet link), 2 “E-ACT” (Ethernet activity), 4 “TX” (transmit), 4 “RX” (receive), 1 “F-ACT” (fiber activity), 1 “PWR OK” LED |
| Isolation | 2,500 VAC isolation between communication ports and backplane |
| Temperature Range | 0 to +55°C ambient |
| Form Factor | 6U VME, 1-slot width |
| Weight | 0.6 kg (approx. 1.32 lbs) |
Advantages & Core Features
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Multi-protocol communication with gateway functionality – The DS200SDCCG1 provides Ethernet, serial, and fiber optic communication with protocol conversion between serial and Ethernet networks, enabling seamless integration of diverse communication systems.
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Protocol flexibility – Supports MODBUS TCP, MODBUS RTU, DNP3, Profibus DP, IEC 61850, and GE proprietary protocols.
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Gateway features – Protocol conversion, data routing, and network management capabilities.
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Comprehensive diagnostic LEDs – Ethernet link/activity, serial transmit/receive, fiber activity, and power status.
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Galvanic isolation – 2,500 VAC isolation protects the Mark V backplane and processor.
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Compact 1-slot form factor – Occupies a single slot.
Application Cases
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Mega combined-cycle plant with DCS integration – A 1,000 MW facility uses the DS200SDCCG1 to provide MODBUS TCP communication to the plant DCS and MODBUS RTU to field devices, with protocol conversion handled by the gateway.
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Offshore platform with multiple communication networks – A North Sea platform uses the DS200SDCCG1 to connect to SCADA via Ethernet and fieldbus devices via Profibus DP.
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Nuclear plant with IEC 61850 substation integration – A nuclear facility uses the DS200SDCCG1 for IEC 61850 communication to modern digital substation equipment.
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Chemical plant with fiber optic long-distance communication – A petrochemical facility uses the DS200SDCCG1 with fiber optic communication to connect to remote control centers.
Comparison with Related Variants
| Feature | DS200SDCCG1 (Gateway) | DS200SDCCF1ANC (Network Control) | DS200SBCBG1ADC (Serial) |
|---|---|---|---|
| Ethernet Ports | 2 | 2 | None |
| Serial Ports | 4 | 4 | 6 |
| Fiber Optic | Yes | Yes | No |
| Gateway Features | Yes | No | No |
| Network Control | No | Yes | No |
| Conformal Coating | No | Yes | Yes |
| Diagnostic LEDs | 14 | 18 | 16 |
| Availability | Exceedingly rare | Exceedingly rare+ | Exceedingly rare |
| Cost | Premium+ | Premium++ | Premium+ |
Selection Suggestions
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Assess communication requirements – Select the DS200SDCCG1 if you need Ethernet, serial, and fiber optic communication with protocol conversion and gateway functionality.
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Evaluate environmental conditions – The board has no conformal coating. For harsh environments, consider the coated DS200SDCCF1ANC or external protective measures.
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Confirm protocols – Ensure the board supports the required protocols (MODBUS TCP, MODBUS RTU, DNP3, Profibus DP, IEC 61850).
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Check slot availability – The board occupies a single slot.
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Procurement – The DS200SDCCG1 is exceedingly rare. Purchase from reputable suppliers offering functional testing (port verification, LED testing). Lead times: 14-18 weeks.
Important Precautions
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Power down completely – De-energize the entire rack before insertion or removal. Hot-swapping is not supported.
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ESD protection – Use wrist strap and anti-static mat.
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Cable routing – Route communication cables away from high-voltage power cables.
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Network configuration – Ensure correct IP addresses, subnet masks, and gateway settings for Ethernet ports.
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Gateway configuration – Properly configure protocol conversion and data routing settings.
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Cleaning – Use compressed air only (max 50 PSI). No liquids.
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Storage – Store at 10-30°C, 20-50% RH.
Final Expert Recommendation
The DS200SDCCG1 is a high-performance communication and gateway board for Mark V systems requiring Ethernet, serial, and fiber optic communication with protocol conversion capabilities. Its gateway functionality enables seamless integration of diverse communication networks.
Select the DS200SDCCG1 when:
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You need Ethernet, serial, and fiber optic communication
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You require protocol conversion between serial and Ethernet networks
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You need support for MODBUS TCP, MODBUS RTU, DNP3, Profibus DP, or IEC 61850
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You have a clean indoor environment (no conformal coating required)
For most applications, the DS200SDCCG1 is the standard gateway solution for Mark V systems. For harsh environments, consider the coated DS200SDCCF1ANC (network control with coating) or use external protective measures.
When sourcing, ensure functional testing of all ports and LEDs is performed. With proper installation and configuration, this board provides years of reliable, high-speed communication and protocol conversion for Mark V turbine control systems.

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