Description
Key Specifications
| Parameter | Specification |
|---|---|
| Output Channels | 16 discrete outputs (high-side or low-side configurable) |
| Output Type | Solid-state (MOSFET) |
| Output Voltage Rating | 24 VDC nominal (18–32 VDC) |
| Output Current | 2 A per channel (continuous), 5 A per channel (inrush, 100 ms) |
| Total Output Current | 16 A maximum (module total) |
| Output Protection | Short-circuit, overcurrent, over-temperature, inductive load clamp |
| Diagnostic Feedback | Load current monitoring per channel (open/short detection), output state feedback |
| Inductive Load Support | Built-in flyback diodes for inductive loads |
| Isolation | 1500 VDC (output-to-backplane) |
| Diagnostics | 750-event fault log with timestamps (expanded) |
| Operating Temp | –25 °C to +70 °C (extended range) |
| Humidity | 5–95% non-condensing (with conformal coating) |
| Coating | Conformal coating (standard) — UV-traceable |
| Manufacturing | 120-hour burn-in, 100% X-Ray/AOI, military-grade components |
| Form Factor | 6U VME64x (160 × 233 mm), single-slot width |
| Power | 10 W (+5 V / +3.3 VDC) + external 24 VDC field power |
| Connectors | 32-pin terminal block with gold-plated contacts and captive washer screws |
Advantages & Distinctive Features
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16 High-Capacity Outputs: Controls up to 16 solenoids, valves, or contactors.
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High Inrush Capability: 5 A per channel for 100 ms handles solenoid inrush.
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Per-Channel Load Monitoring: Detects open/short circuits and solenoid degradation.
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Output State Feedback: Provides actual output state to the processor.
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Inductive Load Clamping: Built-in flyback diodes protect outputs.
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Short-Circuit Protection: Auto-shutdown with auto-retry.
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Conformal Coating Standard: Protects against humidity, salt spray, and chemicals.
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Extended Temperature Range: –25 °C to +70 °C.
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Expanded Diagnostic Log: 750-event fault log.
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Military-Grade Manufacturing: 120-hour burn-in, military-grade components.
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Gold-Plated Captive Washer Terminals: Corrosion-resistant and vibration-proof.
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Hot-Swappable: No rack power-down for replacement.
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Direct Retrofit: Replaces older DSVO series boards.
Application Fields
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Gas Turbines: Trip solenoids, fuel shut-off valves, purge/drain valves, bleed valves
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Steam Turbines: Emergency stop valves, control valve trip solenoids, drain valves
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Compressors: Anti-surge blow-off valves, suction/discharge isolation valves
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Generators: H2 supply shut-off valves, seal oil system valves
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Offshore platforms: Salt-spray environments requiring conformal coating
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Nuclear Power Plants: Safety-critical solenoid control
Comparison with DSVOH1A and Competitors
| Feature | GE IS210DSVOH1AA | GE IS210DSVOH1A | Competitor A | Competitor B |
|---|---|---|---|---|
| Output Channels | 16 | 16 | 16 | 16 |
| Continuous Current | 2 A | 2 A | 0.5 A | 2 A |
| Inrush Current | 5 A (100 ms) | 5 A (100 ms) | No | No |
| Load Monitoring | Per-channel | Per-channel | No | No |
| Coating | Standard | Optional | Optional | Optional |
| Temp Range | –25 to +70 °C | 0 to +60 °C | 0 to +55 °C | 0 to +55 °C |
| Fault Logging | 750 events | 500 events | No | No |
Selection Guidelines
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When to choose: Critical solenoid and valve control requiring environmental protection and expanded diagnostics.
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When to choose “H1A” instead: For clean, controlled environments where conformal coating is not required.
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Load Verification: Verify solenoid inrush ≤5 A, holding ≤2 A per channel.
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Field Power Supply: Provide dedicated 24 VDC field power supply with capacity for all solenoids.
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Coating Verification: Inspect under UV (365 nm) upon receipt.
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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.
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Field Power: Properly size and fuse external 24 VDC supply (20 A fuse recommended).
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Load Monitoring: Use Toolbox ST to view per-channel current readings—trending increasing current indicates solenoid wear.
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Short-Circuit Testing: Simulate short to verify auto-shutdown and auto-retry.
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LED Diagnostics: Green = output on; Amber = output off with fault; Red = module fault.
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Fault Log: Access 750-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 IS210DSVOH1AA is in “standby” mode during updates.
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ESD: Handle by edges with grounded wrist strap.
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Storage: Anti-static bag with desiccant at –40 to +85 °C; rotate every 3 years.
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