Description
Key Specifications
| Parameter | Specification |
|---|---|
| Power Output Channels | 4 isolated 24 VDC outputs (field power for network devices) |
| Output Voltage | 24 VDC nominal (regulated, ±2%) |
| Output Current | 1.5 A per channel (continuous), 3.0 A inrush (100 ms) |
| Total Output Power | 120 W max (module total) |
| Input Power | 24 VDC nominal (18–32 VDC) — external field power supply required |
| Communication Ports | 2 Ethernet switch ports (10/100/1000Base-T) for device connectivity |
| Protocol Support | I/O Net, Modbus TCP, EtherNet/IP |
| Isolation | 1500 VDC (output-to-backplane, port-to-port) |
| Diagnostics | Per-channel voltage/current monitoring, fault detection, communication status |
| Indicators | Per-channel LED (output status/fault), communication port status (link/activity) |
| Operating Temp | –25 °C to +70 °C (extended range) |
| Humidity | 5–95% non-condensing (with conformal coating) |
| Coating | Conformal coating (standard) — UV-traceable |
| Manufacturing | 96-hour burn-in, 100% X-Ray/AOI, premium component selection |
| Power Draw | 5 W (+5 V / +3.3 VDC backplane) + external 24 VDC field power |
| Form Factor | 6U VME64x (160 × 233 mm), single-slot width |
| Connectors | Front-panel terminal blocks (power outputs) + RJ45 ports (Ethernet) |
| Diagnostic Memory | Non-volatile fault logging — stores last 500 events with timestamps |
Advantages & Distinctive Features
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Integrated Power and Communication: Combines 4 isolated 24 VDC power outputs with 2 Ethernet switch ports—eliminates separate power supplies and network switches in the rack.
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Isolated Power Outputs: Each output is independently isolated—prevents faults on one channel from affecting others.
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Current Monitoring: Per-channel current monitoring detects overloads and short circuits—alerts before the output shuts down.
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Inrush Support: 3.0 A inrush capability handles capacitive loads and device startup surges.
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Integrated Ethernet Switch: 2 switch ports enable daisy-chaining of network devices—reduces cabling.
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Protocol Support: I/O Net for Mark VIe communication; Modbus TCP and EtherNet/IP for third-party device integration.
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Conformal Coating Standard: Protects against humidity, salt spray, and chemical vapors.
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Extended Temperature Range: –25 °C to +70 °C operation.
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Hot-Swappable: No rack power-down for replacement.
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Direct Retrofit: Replaces older WNPS series boards.
Application Fields
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Gas Turbines: Field power for remote I/O, network devices, and sensors
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Steam Turbines: Power distribution for field instrumentation
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Compressors: Remote I/O and communication device power
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Remote I/O Racks: Powering I/O terminal boards in distributed locations
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Marine: Power and communication for engine room devices
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Offshore Platforms: Salt-spray environments requiring conformal coating
Comparison with Competitors
| Feature | GE IS200WNPSH1ABA | Competitor A (Siemens PS/CS combo) | Competitor B (Rockwell 1606-PSW) |
|---|---|---|---|
| Power Outputs | 4 (isolated) | 2 | 4 |
| Output Current | 1.5 A per channel | 0.5 A per channel | 2 A per channel |
| Integrated Ethernet Switch | Yes (2 ports) | No | No |
| Protocol Support | I/O Net, Modbus, EtherNet/IP | Profinet | None |
| Current Monitoring | Yes (per channel) | No | No |
| Coating | Standard | Optional | Optional |
| Temp Range | –25 to +70 °C | 0 to +55 °C | –10 to +55 °C |
| Fault Logging | 500 events | No | No |
The GE IS200WNPSH1ABA offers unique integrated power and communication, isolated outputs, and environmental protection—making it the ideal solution for distributed Mark VIe installations.
Selection Guidelines
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When to choose:
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Applications needing both power and communication for field devices
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Distributed I/O racks requiring regulated 24 VDC power
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Harsh environments requiring conformal coating
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Load Verification: Verify each output ≤1.5 A continuous; total ≤120 W.
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Field Power Supply: Provide external 24 VDC supply with capacity for all outputs simultaneously.
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Network Topology: Use integrated switch ports for daisy-chaining devices.
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Compatibility: Fits all Mark VIe VME64x racks. Requires ControlST v6.0 or higher.
Operational Precautions
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Wiring: Follow GE wiring diagrams—correct polarity for external field power and outputs.
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Load Monitoring: Use Toolbox ST to view per-channel current readings—trend increasing current indicates load issues.
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Short-Circuit Testing: Simulate short on an output to verify auto-shutdown.
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Communication Testing: Verify network connectivity through integrated switch ports.
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LED Diagnostics: Green = output on; Amber = fault; Red = module fault. Refer to GEH-6900 for blink codes.
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Fault Log: Access 500-event log via Toolbox ST.
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Coating Care: Use GE-approved cleaner; inspect annually under UV.
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Hot-Swap: Remove/insert slowly under power.
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Spare Stock: Maintain 1 spare per 3–4 racks.
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Firmware Updates: Ensure the GE IS200WNPSH1ABA is in “standby” mode.
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ESD: Handle by edges with grounded wrist strap.
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Storage: Anti-static bag at –40 to +85 °C; rotate every 3 years.

VACON NXL00055C1N1SSS
A-B 1756-PA75
PHOENIX QUINT-PS/1AC/24DC/40-2866789


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