Product Details
The Honeywell 51308112-005, also cataloged as the 51308112 Coaxial Cable Set, operates as a dedicated hardware component for Local Control Network signal transmission within Honeywell TDC 3000 and Experion PKS platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51308112-005 |
| Brand | Honeywell |
| Base Model | 51308112 |
| Product Type | Coaxial Cable Sets |
| Cable Type | RG-6 dual shielded coaxial assembly |
| Impedance | 75 ohms |
| Connector Type | Male BNC termination |
| Origin | USA |
| Weight | 0.8 kg (net) / 2.0 kg (shipping) |
| Dimensions | Standard LCN interconnect cable length |
| Operating Temp | -20 deg C to +70 deg C |
| Power Consumption | Passive physical media |
| System Compatibility | Honeywell TDC 3000 / Experion PKS LCN Nodes |
Channel-to-Channel Isolation and Loop Protocol Processing
The 51308112-005 coaxial cable set provides deterministic physical-layer connectivity across redundant LCN "A" and "B" network trunks. Engineered with dual shielding to suppress high-frequency electromagnetic interference, the cable construction preserves signal integrity across high-density I/O cabinets and DCS control room interface racks. The assembly operates alongside 4-20 mA HART loop protocol gateways, maintaining channel-to-channel isolation and low-noise token-passing transmission without introducing ground loops between nodes.
Frequently Asked Questions
Q: What physical connectors are terminated on the 51308112-005 LCN cable set?
A: The cable set features standard male BNC connectors designed for direct mating with Media Adapter Units (MAU) and LCN node transceiver ports.
Q: How does the cable construction prevent communication degradation in high-noise DCS environments?
A: Dual shielding along the coaxial line suppresses outer electromagnetic noise and high-frequency interference, maintaining a consistent 75-ohm impedance path for LCN token-passing traffic.
Field Installation Guidelines
- BNC Connector Engagement: Twist and lock the BNC bayonet connectors firmly onto the node transceiver ports to ensure a low-resistance RF ground path.
- Bend Radius Protection: Maintain a minimum bend radius of at least 10 times the cable diameter during panel routing to prevent crushing the dielectric core and altering line impedance.
- Ground Loop Prevention: Verify that the cable shield grounds only through designated Media Adapter Unit (MAU) earthing points rather than intermediate cabinet metalwork.
- Raceway Separation: Lay coaxial signal lines in separate low-voltage instrument ducts, maintaining physical distance from high-voltage AC distribution circuits.
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.
Tech & Buying Guide
Comprehensive Guide to Instrumentation and Control (I&C) Design Basis
Instrumentation and Control (I&C) Design Basis serves as the foundational technical document for modern plant engineering. Project teams rely on this master specification to govern engineering deliverables across front-end engineering design (FEED) and detailed execution phases. A well-constructed I&C design basis ensures seamless integration among field instrumentation, safety systems, and main control systems. Furthermore, establishing clear technical standards early mitigates execution risks and prevents costly re-engineering during plant commissioning.
The Shift to Flexible IO Modules in Modern Industrial Automation
Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.
DCS Commissioning Steps in Industrial Automation Projects
Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.