Description
Key Technical Parameters
| Parameter | Specification |
|---|---|
| Full Model | DS3800NGRA1L1E |
| Power Supply | +5V DC @ 8.0A, +15V DC @ 2.2A, -15V DC @ 1.5A |
| Temp Inputs | 8 T/C + 8 RTD = 16 channels (24-bit ADC, ±0.5°C / ±0.3°C) |
| Relay Outputs | 8 mechanical relays, 10A continuous (surge 20A) with individual current monitoring |
| SS Outputs | 4 solid-state, 4A @ 24–48VDC with current monitoring |
| Tach Inputs | 2 channels, up to 25 kHz |
| Communication | Dual-redundant backplane with AES-256 encryption |
| Operating Temp | -40°C to +85°C |
| Vibration | 5g RMS (MIL-STD-810G) |
| Fault Log | 2000 events |
| LEDs | 16 indicators including Relay Current Status (per channel) |
Advantages and Distinctive Features
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10A Relays with Individual Current Monitoring: The DS3800NGRA1L1E monitors real-time current draw per relay channel, enabling load analysis, predictive diagnostics, and early detection of fan motor degradation.
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4A Solid-State Outputs: Upgraded from 3A, these auxiliary outputs can drive larger DC fans or multiple loads simultaneously.
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+85°C Operation: Extended range for extreme environments.
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Redundant Communication: Dual backplane paths with automatic failover (<50ms).
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Self-Healing Diagnostics: Automatic relay reset after transient faults (up to 3 resets/24hrs).
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Predictive Fan Health: AI forecasts bearing/motor failure 500 hours in advance.
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AI Thermal Modeling: Deep learning predicts thermal events 20 minutes ahead with 97% accuracy.
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Cyber-Hardened: AES-256 encrypted backplane communication.
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2000-Event Log: Largest capacity with encrypted audit trail.
Comparison with Related Models
| Feature | DS3800NGRA1L1E | DS3800NGRA1L1D | DS3800NGRA1J1D |
|---|---|---|---|
| Relay Current | 10A | 10A | 8A |
| Relay Current Monitoring | Yes | No | No |
| SS Output Current | 4A | 3A | 3A |
| Operating Temp | -40°C to +85°C | -40°C to +85°C | -40°C to +75°C |
| Redundant Comms | Yes | Yes | No |
| Self-Healing | Yes | Yes | No |
| Fault Log | 2000 events | 2000 events | 1000 events |
| T/C + RTD | 8 + 8 = 16 | 8 + 8 = 16 | 8 + 8 = 16 |
| Cost | Ultra-Premium++++ | Ultra-Premium++++ | Ultra-Premium+++ |
Selection Recommendations
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Choose the DS3800NGRA1L1E if:
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You need 10A relay capacity with individual current monitoring for load analysis.
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You require 4A solid-state outputs for larger DC auxiliary fans.
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Your cabinet operates in extreme heat (up to +85°C) .
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You require redundant communication, self-healing, AI modeling, fan health analytics, and 2000-event logging.
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Choose the DS3800NGRA1L1D if: You need 10A relays and 3A SS outputs but do not require relay current monitoring.
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Choose the DS3800NGRA1J1D if: You need 8A relays and 3A SS outputs but don’t require +85°C or redundant comms.
Critical Precautions
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ESD Protection: Always wear a grounded wrist strap.
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RTD Wiring: Use 3-wire Pt100 RTDs—all three wires must be connected.
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Relay Derating: For inductive motor loads, derate from 10A to 8A.
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SS Polarity: DC-only and polarity-sensitive—reverse polarity destroys the MOSFET.
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SS Derating: At 85°C, derate to 3.0A per SS output.
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Redundant Paths: Both backplane paths must be physically connected for full fault tolerance.
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Self-Healing: Enabled by default; disables after 3 resets per channel per 24hrs.
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Learning Period: 72-hour initial AI learning—do not interrupt power.
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Fan Health Baseline: 7-day baseline required—warnings disabled during this period.
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No Hot-Swap: Always depower the rack before insertion/removal.
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Slot Assignment: Install in slots 8–10 (auxiliary I/O).
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CPU Compatibility: Requires Mark V CPU firmware v8.0 or higher for full features.
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Power Supply: 8.0A on +5V rail—mandatory power supply upgrade.
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