Description
Key Technical Parameters
| Parameter | Specification |
|---|---|
| Full Model | DS3800NGRC1H1G |
| Power Supply | +5V DC @ 5.8A, +15V DC @ 1.4A, -15V DC @ 1.0A |
| Temperature Inputs | 8 T/C + 8 RTD = 16 total (24-bit ADC, ±0.5°C / ±0.3°C) |
| Fan Outputs | 8 mechanical relays, 10A continuous @ 250VAC/30VDC (surge 20A) |
| Tachometer Inputs | None |
| Communication | Dual-redundant backplane with AES-256 encryption |
| Operating Temperature | -40°C to +85°C |
| Vibration Resistance | 5g RMS (MIL-STD-810G) |
| Fault Log | 1000 events |
| LEDs | Power, Fan Run (8x), RTD Fault, Relay Degradation, AI Active, Self-Heal Active, Redundant Path Active, Secure Comms Active, Over-Temp, Bus Fault |
Advantages and Distinctive Features
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10A Mechanical Relays: Highest current capacity in the “NGRC” family—supports 1.5HP AC fans.
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16 Total Temperature Channels (8 T/C + 8 RTD): Supports mixed sensors or redundant monitoring.
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AI-Driven Predictive Thermal Modeling: Deep learning predicts thermal events 20 minutes ahead with 97% accuracy.
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Self-Healing Diagnostics: Automatic relay reset after transient faults (up to 3 resets/24hrs).
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Redundant Backplane Communication: Dual paths with automatic failover (<50ms).
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Cyber-Hardened: AES-256 encrypted backplane communication.
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Extended +85°C Operation: Exceeds standard +75°C limit.
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Predictive Relay Maintenance: Real-time contact resistance monitoring.
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RTD Fault Detection: Continuous monitoring for open/short/lead-wire degradation.
Typical Application Fields
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Extreme Desert Solar-Thermal Plants: +85°C ambient environments.
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Engine Rooms and Turbine Enclosures: High-temperature, high-vibration areas.
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Offshore Oil & Gas Platforms: Extreme conditions with AI-driven cooling.
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Nuclear Auxiliary Turbines: High reliability with redundant communication.
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Critical Infrastructure: Where cyber-security and predictive maintenance are mandatory.
Comparison with Related Models
| Feature | DS3800NGRC1H1G | DS3800NGRC1H1F | DS3800NGRA1L1E |
|---|---|---|---|
| Relay Current | 10A | 8A | 10A |
| T/C + RTD | 8 + 8 = 16 | 8 + 8 = 16 | 8 + 8 = 16 |
| ADC | 24-bit (±0.5°C) | 24-bit (±0.5°C) | 24-bit (±0.5°C) |
| AI Modeling | Yes | Yes | Yes |
| Self-Healing | Yes | Yes | Yes |
| Redundant Comms | Yes | Yes | Yes |
| Cyber-Hardening | Yes | Yes | Yes |
| Operating Temp | -40°C to +85°C | -40°C to +85°C | -40°C to +85°C |
| Tach Inputs | None | None | 2 |
| Fault Log | 1000 events | 1000 events | 2000 events |
| Cost | Ultra-Premium+++ | Ultra-Premium++ | Ultra-Premium++++ |
Selection Recommendations
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Choose the DS3800NGRC1H1G if:
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You need 10A relay outputs for large AC fans.
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You require 16 temperature channels (T/C + RTD).
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You want AI modeling, self-healing, redundant comms, and cyber-hardening.
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Your installation operates in extreme heat up to +85°C.
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You do not require tachometer feedback.
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Choose the DS3800NGRA1L1E if: You need 10A relays, 16 temperature channels, tachometer feedback, and 2000-event logging.
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Choose the DS3800NGRC1H1F if: You need 8A relays with the same features but lower current capacity.
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 fan motors, derate from 10A to 8A.
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Redundant Paths: Both backplane paths must be 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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AI Learning: 72-hour initial learning—do not interrupt power.
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Cyber-Hardening: AES-256 encryption must be enabled via Mark V software.
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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: Draws 5.8A on +5V rail—mandatory power supply upgrade for most installations.
SCHNEIDER LV429637
SCHNEIDER 140CPS12400
A-B 1746-OG16
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