Product Details
The Honeywell 51401497-100, also cataloged as the 51401469-100 Power Supply Module, operates as a dedicated hardware component for dual-node power distribution within Honeywell TDC 3000 LCN systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51401497-100 (PCB Assembly 51401469-100) |
| Brand | Honeywell |
| Origin | USA |
| Weight | ~4.8 lbs |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | Dual-node supply, load-dependent |
| Primary Output | Regulated DC power for two independent control nodes |
| Circuit Protection | Over-voltage protection, anti-interference filtering |
| Hardware Adjustment | Three-position voltage margin switch (High, Normal, Low) |
| System Compatibility | Honeywell TDC 3000 / LCN Architecture |
4-20 mA HART Loop Protocol & Channel Isolation
The module regulates internal DC distribution rails across the system rack to supply secondary power to rack-mounted I/O cards and field bus transceivers. To protect sensitive downstream I/O loops, the internal power channels maintain channel-to-channel isolation and low-noise output regulation. This isolates primary 4-20 mA HART loop protocol signaling circuits from DC bus ripples and power supply switching transients, allowing transparent diagnostic transmission and field instrument telemetry.
Frequently Asked Questions
Q: Is live hot-swapping permitted for the 51401497-100 power supply module?
A: Hot-swapping under active load is not recommended due to power interruption risks on both dependent control nodes.
Q: How does the integrated voltage margin switch function on the assembly?
A: The three-position switch (High, Normal, Low) alters the regulated output voltage levels to perform stress testing and voltage tolerance validation on connected node cards.
Field Installation Guidelines
- Isolate main AC/DC power sources feeding the chassis frame prior to mounting or unseating the power module.
- Inspect chassis guide tracks and clean backplane connector pins of any particulate debris before insertion.
- Slide the power module card into the chassis slot, using the ejection handles to fully seat the PCB edge connectors into the rear socket.
- Confirm the voltage margin switch is locked in the "Normal" operational position prior to re-energizing the system.
- Secure all panel locking screws to establish frame ground connection and facilitate passive convection cooling across the housing.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.































