Description
Product Introduction
The GE IS210BPPBH2CAA is a VMEbus power supply board from the Mark VIe Speedtronic series, purpose-built to provide regulated DC power to the Mark VIe control system backplanes. This board converts the plant’s nominal 125 VDC bus (typically from battery-backed DC supplies) into the clean, regulated voltages required by processor boards, I/O modules, communication interfaces, and field devices. The “CAA” suffix indicates a conformal coated board with enhanced moisture and contaminant resistance for harsh environments, combined with the enhanced H2C revision features.
What sets the BPPBH2CAA revision apart is its robust input filtering, wide input voltage tolerance (100–150 VDC), high efficiency (93% typical), comprehensive diagnostics including voltage monitoring, current monitoring, temperature sensing, and predictive health monitoring, and the acrylic conformal coating that protects power electronics from humidity, salt spray, and airborne particulates. The board delivers 5 VDC at up to 32 A for logic circuits, ±12 VDC at 4.5 A for auxiliary circuits, and 24 VDC at 5.5 A for field I/O—all with ultra-low ripple for stable operation. For system integrators requiring maximum power capacity, high efficiency, advanced diagnostics, and environmental protection in demanding installations, this board represents the ultimate OEM power solution.
Key Technical Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 125 VDC nominal (range: 100–150 VDC) |
| Input Current | 4.8 A typical at full load |
| Output 1 (Logic) | 5 VDC @ 32 A continuous, 38 A peak |
| Output 2 (Auxiliary) | +12 VDC @ 4.5 A continuous |
| Output 3 (Auxiliary) | −12 VDC @ 4.5 A continuous |
| Output 4 (Field) | 24 VDC @ 5.5 A continuous, 7 A peak |
| Output Ripple | <20 mV peak-to-peak at full load (all outputs) |
| Efficiency | 93% typical at 125 VDC input, full load |
| Isolation | 2,500 VDC input-to-output |
| Overvoltage Protection | 5.5 V clamp (5 V), 13.5 V clamp (±12 V), 28 V clamp (24 V) |
| Overcurrent Protection | Foldback current limiting, auto-recovery |
| Input Transient Protection | 2,000 V surge withstand, 100 µs |
| Status Monitoring | Voltage, current, temperature, health |
| Predictive Health Indicators | Capacitor aging estimation, fan health |
| Conformal Coating | Acrylic, MIL-I-46058C compliant, thickness 0.02–0.05 mm |
| Operating Temperature | 0 to +55°C (ambient), derated above 50°C |
| Storage Temperature | −40 to +85°C |
| Humidity Resistance | 95% RH non-condensing, continuous |
| Form Factor | 6U VME, single slot |
| Connectors | P1/P2 VME backplane, front panel terminal block |
| Power Draw | 125 VDC @ 4.8 A typical (600 W input) |
| Firmware | Requires Mark VIe Toolkit v7.0 or higher |
Key Selling Points & Differentiators
- Conformal Coated for Harsh Environments: The “CAA” suffix provides acrylic coating that protects power electronics against humidity, salt spray, and airborne contaminants—ideal for offshore platforms, coastal plants, and high-humidity installations.
- Maximum Current Capacity: 32 A on 5 V rail—highest capacity in the BPPB series, supports the most heavily loaded backplanes.
- Ultra-High Efficiency: 93% efficiency—lowest heat generation in the series, improves reliability.
- Multiple Output Rails: 5 V, ±12 V, and 24 V outputs—supplies all backplane power requirements.
- Wide Input Range: Accepts 100–150 VDC, covering typical plant battery voltages.
- Comprehensive Diagnostics: Voltage, current, temperature, and health monitoring.
- Predictive Health Monitoring: Capacitor aging estimation and fan health monitoring.
- Enhanced Transient Protection: 2,000 V surge withstand—superior protection.
- Ultra-Low Ripple: <20 mV peak-to-peak—ensures stable operation of sensitive electronics.
- Live Test Verified: 48-hour burn-in at full rated load with cycling input voltage. Coated boards are visually inspected for complete coverage and absence of bubbles.
- 90-Day Warranty: Covers functional defects. No restocking fee for verified returns.
- OEM Traceability: All units come from audited surplus channels with original GE packaging.
- Pre-Shipment Capacitor Reform: For units stored more than 12 months, we perform controlled capacitor reforming.
Frequently Asked Questions (FAQ)
Q: What does the “CAA” suffix mean on IS210BPPBH2CAA?
A: The “CAA” indicates conformal coating combined with the H2C revision. Specifically, it means the board has an acrylic conformal coating (0.02–0.05 mm) applied to the entire PCB assembly for moisture and contaminant protection, along with all H2C features (32 A capacity, 93% efficiency, 2,000 V transient protection). The coating adds protection; the H2C features provide maximum performance power capability.
Q: What is the difference between IS210BPPBH2CAA and IS210BPPBH2B?
A: The H2CAA is a significant upgrade: higher 5 V current (32 A vs. 30 A), higher efficiency (93% vs. 92%), higher auxiliary currents (4.5 A vs. 4 A), lower ripple (<20 mV vs. <25 mV), and conformal coating. The H2CAA also requires Mark VIe Toolkit v7.0 or higher vs. v6.5 for H2B. If you need maximum performance and environmental protection, choose H2CAA.
Q: What is the difference between IS210BPPBH2CAA and IS210BPPBH2CMD?
A: Both have similar specifications (32 A, 93% efficiency). The CAA has standard conformal coating; the CMD has maximum environment coating. The CMD provides the absolute highest level of protection for the most severe environments. For standard harsh environments, CAA is sufficient. For extreme environments (offshore, chemical plants), choose CMD.
Q: Does the conformal coating affect power delivery, efficiency, or protection?
A: No. The coating is applied after functional testing, so it does not affect the electrical characteristics. Power delivery, efficiency, ripple, and protection thresholds are identical to the non-coated H2C. The coating only provides environmental protection.
Q: What is the benefit of the 93% efficiency?
A: At 93% efficiency, the BPPBH2CAA generates approximately 42 W of heat at full load vs. 45 W at 92% and 50 W at 91%. This difference is significant in tightly packed cabinets and can extend the life of all components in the system.
Q: What is the predictive health monitoring feature?
A: The BPPBH2CAA continuously monitors capacitor aging, fan health, and overall power supply health. It estimates remaining component life based on temperature and operating hours, enabling proactive maintenance planning.
Q: Can I use this board with 24 VDC or 48 VDC input instead of 125 VDC?
A: No. The BPPBH2CAA is specifically designed for 125 VDC nominal input (100–150 VDC range). Using lower or higher voltages will damage the board or fail to regulate properly.
Q: Is this board hot-swappable?
A: No. The Mark VIe VME backplane does not support live insertion of power boards. You must de-energize the rack and discharge capacitors before removal.
Q: What is the typical lead time for this part?
A: We stock these on the shelf—usually ship within 24 hours. For international orders, add 3–5 days for customs.
Q: Does this board work with both Mark VIe and Mark VIeS (SIL-rated) cabinets?
A: Yes—with a caveat. SIL systems typically require redundant power supplies. The H2CAA can be used in those configurations, but ensure your backplane supports OR-ing diodes. We can help verify compatibility.
Q: What’s your return policy if this doesn’t fix my power-related fault?
A: If the board passes our QC test but doesn’t clear your fault, accept a return within 30 days provided no physical damage or overvoltage stress. We charge a 15% restocking fee if the fault was due to downstream short circuits or incorrect input voltage.

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