IS200VPROH1BCD GE

¥999.00

The GE IS200VPROH1BCD is a VMEbus RISC Processor Board manufactured by General Electric for the Mark VIe distributed control system (DCS). This specific variant represents the conformal-coated version of the H1B revision with a “CD” suffix, which typically denotes a third-generation or specialized coating process—often incorporating enhanced edge-cover transition, improved adhesion to BGA packages, and additional quality inspection steps compared to the “CB” and “CC” variants. The GE IS200VPROH1BCD is engineered for the most extreme harsh environmental conditions where moisture, salt spray, chemical vapors, frequent thermal cycling, and even partial immersion or dripping water pose risks to unprotected or lesser-coated electronics.

While functionally identical to the standard H1B in terms of processing power and logic, this board undergoes a premium conformal coating application—typically a thicker urethane or silicone-based blend with superior adhesion to FR-4 substrates, better resistance to thermal shock, and enhanced dielectric properties. The coating is applied to the entire assembly excluding connectors, battery contacts, and heat-generating components, with additional edge-rail encapsulation to prevent wicking of moisture through PCB vias and edges—a critical improvement over earlier coating generations.

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Description

Detailed Technical Specifications

  • Processor: PowerPC 750GL @ 700 MHz with FPU

  • Memory: 256 MB ECC SDRAM, 64 MB NOR Flash, 512 KB battery-backed SRAM

  • Communications: Dual GbE (I/O Net + HMI), RS-232 console

  • Form Factor: 6U VME64x (160 × 233 mm)

  • Temp Range: –30 °C to +80 °C

  • Humidity: 5–100% condensing (IEC 60068-2-38/30 qualified)

  • Coating: Silicone (IPC-CC-830B), 0.12–0.25 mm thickness, triple UV tracer (365/254/395 nm), plus edge-encapsulation bead

  • Power: 20 W (+5 V / +3.3 VDC)

  • Battery: BR2032 (gold-plated contacts)

Advantages & Distinctive Features

  • Ultimate Protection: Silicone coating + edge encapsulation prevents moisture wicking through PCB edges and vias—the only Mark VIe processor rated for condensing operation.

  • Redundancy: Hot-standby with <2 ms bumpless transfer.

  • Scan Speed: <1 ms deterministic I/O Net scanning for protection loops.

  • Triple UV Inspection: Allows verification of surface, via, and edge coating integrity at three wavelengths.

  • Extended Lifespan: MTBF >600,000 hours in harsh environments.

  • Software: ControlST v6.2+ (IEC 61131-3 + C function blocks).

Application Fields

  • Offshore oil/gas (Arctic to tropical)

  • Unheated outdoor turbine enclosures

  • Coastal power plants (salt spray)

  • Pulp/paper mills (chemical vapors + condensation)

  • Petrochemical refineries

  • Marine (naval, commercial, submarine)

  • Desalination plants

  • 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

  • When to choose: GX corrosivity (ISA-71.04), >10% condensing occurrence, unheated cabinets, chemical splash risks.

  • 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.

  • Compatibility: VME64x backplane, +3.3 V @ ≥6 A power supply (IS200EPSMG2/MG3). Direct retrofit for all H1B family boards.

  • Firmware: Toolbox ST v6.2+ recommended; v6.0 works in legacy mode.

  • Battery: Replace BR2032 if stored >12 months.

  • Spare stock: 1:1 ratio for critical assets; rotate every 3 years.

Operational Precautions

  1. ESD: Handle with grounded strap—coating does not protect exposed connectors.

  2. UV Inspection: Perform every 6 months (GX/condensing) or annually. Rework voids with approved silicone (Dow 1-2577) per FSB-MKVIe-067.

  3. Redundancy Testing: Test switchover during outages—expect <2 ms jitter.

  4. Firmware Updates: Perform in standby/offline mode at 0–60 °C ambient.

  5. Battery Replacement: Complete within 10 minutes of power-off; use BR2032 only.

  6. Cleaning: Use dry compressed air (≤30 psi) or GE-approved silicone-safe cleaner (IS200CLN2). Avoid alcohols >70%, acetone, MEK, toluene.

  7. Condensation Management: Minimize with cabinet heaters (IS200HTR1) and desiccant to reduce cycling stress—coating is rated for condensation but thermal cycling accelerates aging.

  8. Storage: Anti-static bag with desiccant, –40 to +85 °C. Rotate spares every 3 years for battery and UV inspection.

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