DS3800NHVD1D1B | GE Speedtronic High-Voltage Digital Interface

Description

Product Introduction

The DS3800NHVD1D1B is the military-grade version of the high-voltage digital interface board—the NHVD built for installations where reliability and environmental tolerance are critical. The suffix tells the story: the first “1” indicates a hardware revision with improved isolation and signal conditioning. The “D” specifies military-grade components rated for -55°C to +125°C. The second “1” adds enhanced diagnostic features. The final “B” is the conformal coating with humidity-resistant components. This board was designed for installations where the standard NHVD would fail—offshore platforms, military installations, or critical infrastructure where high-voltage digital connectivity reliability isn’t optional.

The triple-layer coating protects against humidity, salt spray, and corrosive gases. The MIL-STD-810G rating means it survives 75g shock and 8g vibration. Compare this to the base DS3800NHVD (standard temperature range, no diagnostics, no coating). The 1D1B gives you the same basic functionality with significant improvements in reliability and diagnostic capability.

Key Technical Specifications

Compatible Replacement Models

Frequently Asked Questions (FAQ)

What makes the “D” suffix different from the “C”?
The “D” adds military-grade components rated for -55°C to +125°C (the “C” is -40°C to +85°C), triple-layer conformal coating (the “C” has dual-layer), and MIL-STD-810G shock and vibration tolerance (75g/8g versus 30g/3g on the “C”). The practical difference: the “D” variant has a field life of 20+ years in harsh environments.

What’s the “Config OK” LED?
The Config OK LED verifies that the board’s configuration is correct. If the LED is green, the configuration is correct. If it’s red, the board is misconfigured—check the system documentation.

What’s the triple-layer coating?
The first layer is a standard acrylic conformal coating. The second layer is a silicone-based coating that adds flexibility and thermal shock resistance. The third layer is a urethane topcoat with UV protection—it’s harder and more abrasion-resistant. The combination protects against humidity, salt spray, corrosive gases, and mechanical abrasion.

Do I need to upgrade my DMP firmware for the enhanced diagnostics?
The enhanced diagnostics require DMP firmware v3.0 or later. Older firmware won’t recognize the diagnostic registers. We can provide the firmware EPROMs if you need them.

What’s the voltage rating of this board?
The voltage rating depends on the specific configuration. Check the board’s label or your system documentation for the exact voltage rating.

Can I hot-swap this board?
No. Mark IV backplanes are not hot-swappable. The 1D1B has additional securing clips—make sure they’re properly engaged before powering up.

What’s your warranty and lead time?
We stock the NHVD1D1B in limited quantities. Lead time is 2-3 business days. We offer a 2-year warranty. We test every board with a 48-hour burn-in, a thermal cycle (-55°C to +85°C), and a full diagnostic verification. The test report is included.

Is this board compatible with the Mark VIe?
No. This board is for Mark IV systems only. The backplane architecture is different.

B&R 5AP1130.156C-000
GE IS200EPSMG1A
ABB ACS880-01-156A-5+D150+N5050+N8015