Description
Detailed Technical Specifications
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Processor: PowerPC 750GL @ 700 MHz with FPU
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Memory: 256 MB ECC SDRAM, 64 MB NOR Flash, 512 KB battery-backed SRAM
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Communications: Dual GbE (I/O Net + HMI), RS-232 console
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Form Factor: 6U VME64x (160 × 233 mm)
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Temp Range: –30 °C to +80 °C
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Humidity: 5–100% condensing (IEC 60068-2-38/30 qualified)
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Coating: Silicone (IPC-CC-830B), 0.12–0.25 mm thickness, triple UV tracer (365/254/395 nm), plus edge-encapsulation bead
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Power: 20 W (+5 V / +3.3 VDC)
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Battery: BR2032 (gold-plated contacts)
Advantages & Distinctive Features
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Ultimate Protection: Silicone coating + edge encapsulation prevents moisture wicking through PCB edges and vias—the only Mark VIe processor rated for condensing operation.
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Redundancy: Hot-standby with <2 ms bumpless transfer.
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Scan Speed: <1 ms deterministic I/O Net scanning for protection loops.
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Triple UV Inspection: Allows verification of surface, via, and edge coating integrity at three wavelengths.
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Extended Lifespan: MTBF >600,000 hours in harsh environments.
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Software: ControlST v6.2+ (IEC 61131-3 + C function blocks).
Application Fields
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Offshore oil/gas (Arctic to tropical)
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Unheated outdoor turbine enclosures
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Coastal power plants (salt spray)
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Pulp/paper mills (chemical vapors + condensation)
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Petrochemical refineries
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Marine (naval, commercial, submarine)
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Desalination plants
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High-altitude / desert installations with extreme thermal swings
Comparison with Competing Products
| Feature | GE IS200VPROH1BCD | Siemens T-3000 (heavy coated) | Woodward MicroNet (Parylene) |
|---|---|---|---|
| Coating | Silicone + edge encaps. | Urethane | Parylene C |
| Temp Range | –30 to +80 °C | –10 to +65 °C | –20 to +70 °C |
| Humidity | 5–100% condensing | 5–90% | 5–95% |
| UV Tracer | Triple (3 wavelengths) | Single | None |
| Redundancy | Hot-stby (<2 ms) | Warm-stby (>50 ms) | Hot-stby (5 ms) |
| Retrofit | Direct for H1A/H1B/H1BCB/H1BCC | Rack mod | New backplane |
The GE IS200VPROH1BCD uniquely offers edge encapsulation and condensing qualification, making it the clear choice for extreme environments.
Selection Guidelines
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When to choose: GX corrosivity (ISA-71.04), >10% condensing occurrence, unheated cabinets, chemical splash risks.
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Inspection: Use triple UV (365/254/395 nm) upon receipt—look for consistent fluorescence at all wavelengths and a continuous silicone bead along PCB edges.
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Compatibility: VME64x backplane, +3.3 V @ ≥6 A power supply (IS200EPSMG2/MG3). Direct retrofit for all H1B family boards.
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Firmware: Toolbox ST v6.2+ recommended; v6.0 works in legacy mode.
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Battery: Replace BR2032 if stored >12 months.
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Spare stock: 1:1 ratio for critical assets; rotate every 3 years.
Operational Precautions
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ESD: Handle with grounded strap—coating does not protect exposed connectors.
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UV Inspection: Perform every 6 months (GX/condensing) or annually. Rework voids with approved silicone (Dow 1-2577) per FSB-MKVIe-067.
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Redundancy Testing: Test switchover during outages—expect <2 ms jitter.
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Firmware Updates: Perform in standby/offline mode at 0–60 °C ambient.
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Battery Replacement: Complete within 10 minutes of power-off; use BR2032 only.
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Cleaning: Use dry compressed air (≤30 psi) or GE-approved silicone-safe cleaner (IS200CLN2). Avoid alcohols >70%, acetone, MEK, toluene.
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Condensation Management: Minimize with cabinet heaters (IS200HTR1) and desiccant to reduce cycling stress—coating is rated for condensation but thermal cycling accelerates aging.
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Storage: Anti-static bag with desiccant, –40 to +85 °C. Rotate spares every 3 years for battery and UV inspection.

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