Description
Technical Parameters
| Parameter | Specification |
|---|---|
| Input Voltage | Wide range: 24–250 VDC (auto‑sensing); 24–240 VAC compatible with external adapter |
| Output Rails | +5 VDC / 5A (logic), ±15 VDC / 1A (each rail, analog), +24 VDC / 1A (auxiliary) |
| Isolation | Full isolation (1.5kV input‑to‑output, 2.0kV output‑to‑ground) |
| Protection | Overcurrent protection (fixed), short‑circuit protection, transient suppression (4kV), reverse polarity protection, input undervoltage lockout |
| Regulation | Load regulation: ±0.5%; Line regulation: ±0.2%; Ripple: < 30mVpp (+5V), < 20mVpp (±15V) |
| Monitoring | 2 analog feedback channels (voltage monitoring for +5V and +24V); 2 digital fault outputs (relay, 24V/0.5A) for system faults |
| Digital Interface | 2 digital inputs for external control; 4 digital outputs for status indication |
| Operating Temperature | –25°C to +60°C |
| Form Factor | 6U × 6HP (30mm) – requires 1.5 slots |
| Backplane Connector | Standard VME 96‑pin P1 + reinforced 60‑pin P2 |
| Status LEDs | 6 indicators: INPUT OK (green), OUTPUT OK (green), SYSTEM OK (green), FAULT (red), WIDE INPUT ACTIVE (blue), AUX OK (green) |
| Certifications | CE, UL 508 (non‑hazardous locations only) |
| Efficiency | ~82% at full load |
Critical note: The DS3800NUVA is a universal voltage power board with wide input voltage range (24–250 VDC). It is physically wider (6HP) than standard 4HP boards and requires 1.5 adjacent slots. Hot‑swapping is not supported.
Key Features & Advantages
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Wide Input Voltage Range – Accepts 24–250 VDC input, suitable for various power sources.
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Auto‑Sensing Input – Automatically detects input voltage range.
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Full Isolation – 1.5kV isolation protects sensitive circuits.
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Auxiliary +24V Output – 24V/1A for powering external devices.
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Two Fault Relays – Separate fault indication for system faults.
Typical Application Cases
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Auxiliary Control Cabinets – Powers logic and analog circuits with variable input sources.
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Test Equipment – Provides flexible power for laboratory and test applications.
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Field Device Power Distribution – Powers field devices with varying input voltage.
Selection Guidelines & Precautions
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Application Verification – Designed for flexible power distribution with wide input voltage.
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Physical Compatibility – 6HP wide, requires 1.5 adjacent slots.
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Backplane Compatibility – Uses P1 and P2. If backplane lacks P2, auxiliary features unavailable.
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Input Voltage Range – Ensure input voltage is within 24–250 VDC range.
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Thermal Derating – Full output to 50°C; derate to 90% at 50–55°C, 80% at 55–60°C.
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Spare Sourcing – Production ended in 2010. Request test report verifying outputs and wide input functionality. Inspect for capacitor bulging or discoloration.
AB 1746-N2
A-B 1756-TBNH
A-B 1746-N2
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