Product Details
The Honeywell 51308112-008, also cataloged as the 51308112 LCN Coax Cable Set, operates as a dedicated hardware component for high-speed Local Control Network data transmission within Experion PKS and TDC 3000 distributed control system platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51308112-008 |
| Brand | Honeywell |
| Origin | USA |
| Weight | Approx. 1.2 kg |
| Dimensions | 8 m (approx. 26.2 ft) length |
| Operating Temp | 0 deg C to +60 deg C |
| Power Consumption | Passive coaxial transmission assembly |
| Cable Type | RG-11 coaxial cable set with integrated ferrite beads |
| Impedance Rating | 75 ohm nominal coaxial impedance |
| Superseded Part | Supersedes part number 51109181-008 |
| System Compatibility | Honeywell LCN / Experion PKS / TDC 3000 |
4-20 mA HART Loop Protocol and Channel-to-Channel Isolation
The coaxial assembly uses precision RG-11 shielding combined with factory-installed inline ferrite beads to attenuate common-mode high-frequency noise and electromagnetic interference across LCN bus links. Physical isolation provided by the outer dielectric shield prevents external ground loop potential differences from corrupting digital LCN token-passing communications or interfering with field-side 4-20 mA HART loop protocol telemetry processed by interconnected control nodes.
Frequently Asked Questions
Q: What technical advantage does the 51308112-008 offer over the legacy 51109181-008 cable assembly?
A: The 51308112-008 incorporates integrated ferrite beads along the cable assembly to suppress high-frequency electrical noise and electromagnetic interference, which were not present on the legacy 51109181-008 model.
Q: Can the 51308112-008 cable set be hot-swapped during active LCN network communication?
A: Disconnecting an active LCN coaxial node breaks the physical network bus loop; network nodes must be offline or properly terminated with 75 ohm end loads prior to disconnecting coaxial cables to prevent node isolation.
Q: Is this coaxial cable set compatible with standard BNC or TNC LCN trunk adapters?
A: Yes, the RG-11 cable set is factory-terminated with standard industrial connectors configured for direct mating with Honeywell LCN trunk couplers and coaxial tap units.
Field Installation Guidelines
- Route the RG-11 coaxial cable through dedicated low-voltage instrument wireways, keeping maximum physical separation from high-current AC motor leads and VFD output cabling.
- Maintain the minimum allowable bend radius along the entire 8 m run to prevent crushing the internal dielectric core or altering 75 ohm nominal impedance.
- Hand-tighten all coaxial connector locking rings securely onto mating tap couplers to ensure low-resistance shield grounding and stable signal attenuation limits.
- Verify that both physical ends of the LCN bus segment maintain a single, unbroken protective earth (PE) reference via the designated system grounding taps.
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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