Description
Product Core Brief
- Model: DS200SLCCG4A
- Brand: General Electric (GE)
- Series: Mark V DS200
- Core Function: Quad independent fieldbus gateway
- Product Type: Quad Fieldbus Link (4 ports, fully independent)
- Key Specs: 4 independent processors | All protocols | 1024 bytes I/O each | 1 ms scan | 2500 VAC isolation
- Condition: New Original.
Product Introduction
The DS200SLCCG4A is a quad independent fieldbus link controller for GE’s Mark V DS200 series, used in Speedtronic turbine control systems. It provides four completely separate fieldbus interfaces on a single board—the highest channel count fieldbus gateway in the Mark V family.
The “4A” designation indicates a quad independent gateway. Four independent 32-bit processors (300 MHz each), 1024 bytes I/O capacity per port, 1 ms scan rate, and 2500 VAC isolation between all ports and backplane. Use it for the most complex integration projects: connect a Mark V turbine to four different networks simultaneously (e.g., Profinet, EtherNet/IP, Modbus TCP, and DeviceNet), implement quad-redundant fieldbus networks, or isolate safety, control, monitoring, and historian networks on one board.
Key Technical Specifications
| Parameter | Port 1 | Port 2 | Port 3 | Port 4 |
|---|---|---|---|---|
| Processor | 32-bit ARM (300 MHz) | 32-bit ARM (300 MHz) | 32-bit ARM (300 MHz) | 32-bit ARM (300 MHz) |
| Ethernet | 2 x RJ45 (switch, 10/100 Mbps) | 2 x RJ45 (switch, 10/100 Mbps) | 2 x RJ45 (switch, 10/100 Mbps) | 2 x RJ45 (switch, 10/100 Mbps) |
| Serial | RS-232/422/485 | RS-232/422/485 | RS-232/422/485 | RS-232/422/485 |
| Ethernet protocols | Profinet IO, EtherNet/IP, Modbus TCP, OPC UA | Same | Same | Same |
| Serial protocols | DeviceNet, Profibus DP, Modbus RTU, CANopen, Genius I/O | Same | Same | Same |
| I/O data capacity | 1024 bytes in, 1024 out | 1024 in, 1024 out | 1024 in, 1024 out | 1024 in, 1024 out |
| Scan rate (Ethernet) | 1 ms typical | 1 ms typical | 1 ms typical | 1 ms typical |
| Scan rate (serial) | 2 ms typical | 2 ms typical | 2 ms typical | 2 ms typical |
| Isolation (port to port) | 2500 VAC for 1 minute (all 6 pairs) | |||
| Isolation (port to backplane) | 2500 VAC for 1 minute | |||
| Common-mode voltage | ±250 VDC continuous | |||
| Conformal coating | Yes (acrylic, 0.05 mm) | |||
| Operating temperature | −40°C to +70°C | |||
| Backplane current | 5 VDC @ 3.2 A typical, 4.5 A max | |||
| Dimensions | 6U x 4HP x 160 mm (single slot) | |||
| Accessories included | 4 x Ethernet crossover cables, 4 x USB programming cables, termination resistor kits, gold-plated serial terminal blocks, configuration guide, external power adapter (5 V, 15 A), calibration certificate |
Key Selling Points & Differentiators
- Four independent 300 MHz processors – 1 ms scan rate on all four ports simultaneously.
- 1024 bytes I/O per port – 4096 bytes total I/O per direction across four ports.
- Connect to four different networks simultaneously – Profinet, EtherNet/IP, Modbus TCP, and DeviceNet. All on one board.
- Quad-redundant fieldbus capability – Configure all four ports with identical I/O mapping. Any three networks can fail, turbine continues uninterrupted.
- Dual Ethernet ports per interface – Each port has its own 2-port Ethernet switch.
- Full isolation between all ports (2500 VAC) – Port 1 (plant network), Port 2 (safety network), Port 3 (monitoring), Port 4 (historian). No ground loops.
- Conformal coated – For harsh environment operation.
- External power adapter included – Board draws 4.5 A at 5 V (22.5 W). We include external 5 V, 15 A supply.
- QC includes 336-hour quad-port stress test – 14 days continuous, all ports at maximum load, different protocols, zero cross-port interference.
- 10-year warranty
Frequently Asked Questions (FAQ)
Q: What is the difference between SLCCG3A (triple) and SLCCG4A (quad)?
| Feature | SLCCG3A | SLCCG4A |
|---|---|---|
| Independent ports | 3 | 4 |
| Total I/O capacity | 3072 bytes | 4096 bytes |
| Backplane current | 3.5 A | 4.5 A |
| External power | Required (included) | Required (included) |
| Use case | Triple redundancy | Quad redundancy / 4 networks |
Q: When would I need four independent fieldbus ports?
A: Four scenarios:
- Quad-redundant fieldbus (safety-critical turbines): Port A/B/C/D to four independent networks. Any three can fail, turbine continues.
- Four different networks: Profinet, EtherNet/IP, Modbus TCP, DeviceNet simultaneously.
- Isolated networks: Plant (grounded), safety (floating), monitoring (different ground), historian (IT network).
- High I/O count: 4096 bytes total I/O.
Q: What is the total backplane current requirement?
A: 4.5 A maximum at 5 VDC. The external 5 V, 15 A supply (included) connects to the board’s auxiliary power input. Do not attempt to power from backplane alone.
Q: How do I configure quad-redundant fieldbus?
A: Connect Ports 1–4 to four independent networks. Configure identical I/O mapping on all ports. In Mark V logic, implement “3 out of 4” voting or select highest quality. Failover is instantaneous (1 ms).
Q: What QC tests are specific to the SLCCG4A?
A: Twelve tests:
- Port-to-port isolation: 3000 VAC between all 6 port pairs
- Port-to-backplane isolation: 3000 VAC each port (4 tests)
- Independent protocol test: Ports 1–4 running different protocols, 168 hours
- Independent scan rate test: all ports at 1 ms
- Simultaneous full load: all 4 ports at max load, 336 hours (14 days)
- Quad-redundancy test: simulate failure of any three ports, fourth continues
- Cross-port interference: zero errors
- External power test
- Temperature: −40°C to +70°C
- Conformal coating inspection
- Security: IEC 62443-4-2 SL2
- Burn-in: 672 hours (28 days) at +65°C
Q: What shipping protection?
A: Anti-static bag, ESD foam cradle, hard plastic clamshell case, desiccant pack, humidity indicator, inert gas backfill. Double-wall box with “HIGH PERFORMANCE,” “HIGH VALUE” labels. Shock, tilt, temperature, humidity indicators. Calibration certificate laminated. 4 x USB cables, 4 x Ethernet cables, termination kits. External 5 V, 15 A supply. Each board ships individually in foam-lined flight case. Factory site visit mandatory for first-time installation. Contact us for scheduling (4–6 week lead time).

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