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51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter
51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter
51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter
51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter

51305348-100 HONEYWELL MAU PWB Assembly LCN Media Adapter


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PRODUCT SKU : 51305348-100

PRODUCT TYPE : Communication Cards

PRODUCT VENDOR : Honeywell


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

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

  1. Disconnect network cable drops and confirm complete power down of the node interface slot before removing or installing the MAU assembly.
  2. Inspect the Revision C PCB for physical damage, verifying that all connector pins in the supplied connector set are straight and uncorroded.
  3. Secure the MAU PWB assembly to the wall or panel mounting bracket using standard industrial hardware.
  4. Connect the LCN coaxial cables ensuring center pin alignment and proper connector seating to maintain signal impedance.
  5. 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.




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