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 protection, overcurrent limiting, over-temperature protection, inductive load clamp (flyback diode) |
| Diagnostic Feedback | Load current monitoring per channel (open/short detection), output state feedback |
| Inductive Load Support | Built-in flyback diodes for inductive loads (solenoids, relays, contactors) |
| Isolation | 1500 VDC (output-to-backplane) |
| Diagnostics | 500-event fault log with timestamps |
| Communication | I/O Net (dual Ethernet ports for redundancy) |
| Form Factor | 6U VME64x (160 × 233 mm), single-slot width |
| Indicators | Per-channel LED (output state/fault), module health, communication status |
| Operating Temp | 0 °C to +60 °C |
| Power Draw | 10 W (+5 V / +3.3 VDC) + external 24 VDC field power |
| Connectors | Front-panel 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 per module.
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High Inrush Capability: 5 A per channel for 100 ms handles solenoid inrush currents.
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Per-Channel Load Monitoring: Detects open/short circuits and identifies degraded solenoids (increased current draw).
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Output State Feedback: Provides actual output state to the processor for sequence verification.
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Inductive Load Clamping: Built-in flyback diodes protect outputs from voltage spikes.
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Short-Circuit Protection: Auto-shutdown with auto-retry prevents module damage.
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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 (ESV), 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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Balance of Plant: Motor starters, solenoid valves, alarm annunciation
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Marine: Fuel isolation valves, ballast valve controls
Comparison with VSVOH1B and Competitors
| Feature | GE IS210DSVOH1A | GE IS200VSVOH1B | Competitor A | Competitor B |
|---|---|---|---|---|
| Output Channels | 16 | 16 | 16 | 16 |
| Continuous Current | 2 A | 2.5 A | 0.5 A | 2 A |
| Inrush Current | 5 A (100 ms) | 6 A (150 ms) | No | No |
| Load Monitoring | Per-channel | Per-channel | No | No |
| Inductive Clamp | Built-in | Built-in | External | Built-in |
| Hot-Swappable | Yes | Yes | No | Yes |
Selection Guidelines
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When to choose: Solenoid and valve control applications requiring 2 A continuous, 5 A inrush capability.
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Load Verification: Verify solenoid/actuator inrush and holding currents do not exceed 5 A inrush or 2 A continuous.
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Field Power Supply: Provide dedicated 24 VDC field power supply with sufficient capacity for all solenoids simultaneously.
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Wiring: Use appropriate wire gauge (18 AWG minimum for 2 A loads).
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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 functionality.
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LED Diagnostics: Green = output on; Amber = output off with fault; Red = module fault.
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Fault Log: Access 500-event log via Toolbox ST.
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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 IS210DSVOH1A is in “standby” mode during updates.
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ESD: Handle by edges with grounded wrist strap.
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