Description
Key Technical Parameters
| Parameter | Specification |
|---|---|
| Function | LAN communication and control gateway for Mark V system (second generation, coated, advanced connectivity) |
| Network Ports | 4x Gigabit Ethernet (10/100/1000Base-T) , 4x fiber optic ports (1 Gbps) |
| Protocols Supported | MODBUS TCP, DNP3, IEC 61850, IEC 61850-90-5 (synchrophasors), OPC UA, MQTT, REST API, GE proprietary Mark V protocols |
| Gateway Features | Data routing, protocol translation, data aggregation, network management, control data routing, redundant path management, load balancing, link aggregation |
| Data Rate | Ethernet: 10/100/1000 Mbps; Fiber: 1 Gbps |
| Latency | < 25 µs – ultra-low latency for real-time control |
| Memory | 8 GB Flash, 4 GB RAM (maximum logging and processing capacity) |
| Data Handling | 200,000+ data points, data compression, real-time synchronization |
| Diagnostic Indicators | 48 LEDs – network link/activity, power, gateway status, communication active, diagnostic active, coating integrity, pre-failure, redundant active, load balancing active, link aggregation active, high-speed active |
| Advanced Diagnostics | Error logging (800 events), network traffic analysis, communication health monitoring, control data routing monitoring, redundant path monitoring, load balancing monitoring, link aggregation monitoring, coating integrity monitoring |
| Isolation | 2,500 VAC isolation between communication ports and backplane |
| Conformal Coating | Acrylic (Humiseal 1B73), 0.002-0.003″ thickness, 1,000 hr salt-spray rated |
| Temperature Range | 0 to +70°C ambient (extended from +65°C) |
| Form Factor | 6U VME, 1.5-slot width – requires adjacent empty slot |
| Weight | 0.78 kg (approx. 1.72 lbs) |
Advantages & Core Features
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Second-generation ultimate performance with conformal coating – The DS200SLCCG2ACC provides the highest processing power, maximum connectivity, advanced redundancy, and conformal coating protection for harsh environments.
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Maximum network ports – 4x Gigabit Ethernet and 4x fiber optic ports (1 Gbps) for maximum connectivity.
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Link aggregation – Supports link aggregation (IEEE 802.3ad) for increased bandwidth and redundancy.
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Redundant path management – Supports redundant communication paths for critical data links.
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Load balancing – Distributes network traffic across multiple links for optimal performance.
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Ultra-low latency – < 25 µs for real-time control applications.
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Maximum memory – 8 GB Flash, 4 GB RAM for maximum data handling (200,000+ data points).
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Conformal coating with integrity monitoring – The white “COAT OK” LED provides real-time validation of coating integrity.
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Pre-failure amber WARN LED – Alerts operators to potential issues before a full fault occurs.
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Enhanced diagnostics – Error logging (800 events), network traffic analysis, and redundant path monitoring.
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Extended temperature range – 0 to +70°C ambient for use in the warmest environments.
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Protocol flexibility – Supports MODBUS TCP, DNP3, IEC 61850, IEC 61850-90-5, OPC UA, MQTT, and REST API.
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Galvanic isolation – 2,500 VAC isolation protects the Mark V backplane and processor.
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1.5-slot form factor – Accommodates the highest component density.
Key Differences vs. DS200SLCCG2A (Second-Generation Uncoated Model)
| Feature | DS200SLCCG2A (Uncoated) | DS200SLCCG2ACC (Coated, Advanced) |
|---|---|---|
| Conformal Coating | No | Yes |
| Memory | 4 GB / 2 GB | 8 GB / 4 GB |
| Data Points | 100,000+ | 200,000+ |
| Latency | < 30 µs | < 25 µs |
| Error Logging | 500 events | 800 events |
| Diagnostic LEDs | 40 | 48 |
| Temp Range | 0 to +65°C | 0 to +70°C |
| Availability | Exceedingly rare+++ | Exceedingly rare++++ |
| Cost | Premium++++++ | Premium+++++++ |
Application Cases
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Mega combined-cycle plant with redundant network and harsh environment – A 1,500 MW facility uses the DS200SLCCG2ACC with 4 Gigabit Ethernet ports, link aggregation, and conformal coating for redundant, high-bandwidth communication with the plant DCS. The COAT OK LED confirms coating integrity.
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Offshore platform with maximum connectivity – A North Sea platform uses the DS200SLCCG2ACC with 4 fiber ports for redundant, high-speed communication to onshore control centers, with load balancing optimizing network traffic. The LOAD BALANCING ACT LED confirms load balancing is active.
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Smart grid integration – A utility uses the DS200SLCCG2ACC for IEC 61850-90-5 (synchrophasor) communication with smart grid infrastructure, with < 25 µs latency enabling real-time data exchange.
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Nuclear plant with maximum diagnostics – A nuclear facility uses the DS200SLCCG2ACC for its 800-event error logging and extended temperature range (0 to +70°C), ensuring reliable LAN communication for critical systems.
Comparison with Related Variants
| Feature | DS200SLCCG2ACC (G2 Coated) | DS200SLCCG2A (G2 Uncoated) | DS200SLCCG1ACC (G1 Coated) | DS200SLCCG1AGH (G1 Advanced) |
|---|---|---|---|---|
| Generation | Second | Second | First | First |
| Conformal Coating | Yes | No | Yes | Yes |
| Memory | 8 GB / 4 GB | 4 GB / 2 GB | 2 GB / 1 GB | 8 GB / 4 GB |
| Data Points | 200,000+ | 100,000+ | 50,000+ | 200,000+ |
| Latency | < 25 µs | < 30 µs | < 50 µs | < 40 µs |
| Availability | Exceedingly rare++++ | Exceedingly rare+++ | Exceedingly rare+++ | Exceedingly rare+++++++ |
| Cost | Premium+++++++ | Premium++++++ | Premium++++++ | Premium++++++++++ |
Selection Suggestions
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Assess maximum performance requirements – Select the DS200SLCCG2ACC if you need second-generation ultimate performance (4 Ethernet, 4 fiber, < 25 µs latency, 200,000+ data points) with conformal coating protection.
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Assess environmental conditions – The board is essential if your installation is harsh (coastal, offshore, chemical, high-humidity, high-temperature).
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Evaluate redundancy requirements – The board is ideal if you need link aggregation, load balancing, and redundant communication paths.
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Confirm protocols – Ensure the board supports the required protocols (MODBUS TCP, DNP3, IEC 61850, IEC 61850-90-5, OPC UA, MQTT, REST API).
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Check slot availability – The board requires 1.5-slot clearance. Verify adjacent slot is empty.
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Procurement – The DS200SLCCG2ACC is among the rarest Mark V boards. Only purchase from suppliers providing coating verification, port testing, network validation, link aggregation testing, and LED testing. Lead times: 36-44 weeks.
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Stock spares – Maintain at least one spare on-site.
Important Precautions
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Power down completely – Hot-swapping is not supported.
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Slot clearance – Ensure 1.5-slot clearance (adjacent slot empty).
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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.
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Link aggregation configuration – Configure link aggregation (IEEE 802.3ad) settings.
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Redundant path configuration – Configure redundant path management settings for critical communication links.
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Coating integrity check – On power-up, verify white “COAT OK” LED illuminates. If off, remove and return for recoating.
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Pre-failure WARN LED – If amber WARN LED illuminates, investigate immediately.
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Cleaning – Use only dry compressed air (max 50 PSI, 30 cm distance). No solvents, alcohol, or brushes.
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Storage – Store at 10-30°C, 20-50% RH. Rotate every 3 years.
Final Expert Recommendation
The DS200SLCCG2ACC is the absolute pinnacle of Mark V LAN communication and control gateway technology, combining second-generation ultimate performance: 4 Gigabit Ethernet ports, 4 fiber optic ports, link aggregation, load balancing, redundant path management, < 25 µs latency, maximum memory (8 GB Flash, 4 GB RAM), 200,000+ data points, conformal coating, and comprehensive diagnostics (48 LEDs, 800-event error logging). It is the definitive solution for high-speed network communication, control data routing, and plant-wide integration in the most challenging environments.
Select the DS200SLCCG2ACC only when:
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You need second-generation ultimate performance with maximum network connectivity (4 Ethernet, 4 fiber)
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You require ultra-low latency (< 25 µs) for real-time control
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You need link aggregation, load balancing, and redundant communication paths
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Your installation is harsh (coastal, offshore, chemical, high-humidity, high-temperature)
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You need 200,000+ data point handling capacity
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You require coating integrity monitoring for safety-critical applications
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You have 1.5-slot clearance available
For most applications, the uncoated DS200SLCCG2A provides excellent LAN communication capability at lower cost for clean indoor environments. The DS200SLCCG2ACC should be reserved for the most demanding applications where both second-generation performance and environmental protection are absolutely essential.

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