Product Details
The Honeywell 51305348-100, also cataloged as the 51305348-100 MAU PWB Assembly, operates as a dedicated hardware component for Local Control Network media attachment within Honeywell TDC 3000 systems. Designed with Revision C board layout and an integrated terminal connector set, it establishes physical-layer signal coupling between node electronics and coaxial transmission cables.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51305348-100 |
| Brand | Honeywell |
| Origin | USA |
| Weight | 0.22 lbs |
| Dimensions | Standard MAU Assembly Form Factor |
| Operating Temp | 0 to +60 deg C |
| Power Consumption | Powered via LCN Trunk Cable / Node Interface |
| Hardware Revision | Revision C |
| Included Accessories | Connector Set |
| Mounting Type | Wall Mount / Bracket Mount |
| Network Interface | LCN Coaxial Media Attachment Unit (MAU) |
4-20 mA HART Loop Protocol & Channel Isolation Features
In distributed process architectures, the Honeywell 51305348-100 operates alongside high-density I/O subsystems that interface 4-20 mA HART loop protocol instruments to the central LCN trunk. Integrated channel-to-channel isolation on adjacent control modules shields the node from common-mode voltage spikes, while built-in noise filtration maintains low bit error rates across long serial coaxial segments.
Frequently Asked Questions
Q: What is the primary physical function of the 51305348-100 MAU assembly?
A: It provides physical layer conversion and electrical isolation between Honeywell TDC 3000 system nodes and the Local Control Network (LCN) coaxial cable backbone.
Q: Is special care required when replacing the connector set on Revision C boards?
A: Yes. Ensure all coaxial strain reliefs and terminal screws are properly torqued to prevent signal attenuation and intermittent open circuits on the LCN bus segment.
Q: Can the 51305348-100 be mounted directly onto enclosure panels?
A: Yes, this assembly is designed for wall mount configurations using designated mounting holes to provide strain relief for incoming coaxial drop cables.
Field Installation Guidelines
- Disconnect network cable drops and confirm complete power down of the node interface slot before removing or installing the MAU assembly.
- Inspect the Revision C PCB for physical damage, verifying that all connector pins in the supplied connector set are straight and uncorroded.
- Secure the MAU PWB assembly to the wall or panel mounting bracket using standard industrial hardware.
- Connect the LCN coaxial cables ensuring center pin alignment and proper connector seating to maintain signal impedance.
- Verify that network cable shields are grounded in accordance with Honeywell LCN installation standards to prevent common-mode noise issues.
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.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























