Product Details
The Honeywell 51201420-010, also cataloged as the MU-KFTA10 Field Termination Assembly Cable, operates as a dedicated hardware component for field signal interconnections within Honeywell DCS platforms. It establishes point-to-point electrical continuity between field devices, termination assemblies, and I/O module assemblies.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 51201420-010 |
| Brand | Honeywell |
| Origin | USA / Global Manufacturing |
| Dimensions | 10 meters overall length |
| Operating Temp | -20 to 70 deg C |
| Power Consumption | Passive physical media |
| Catalog Number | MU-KFTA10 |
| Functionality | Field Termination Assembly (FTA) interconnect cable |
| Signal Compatibility | Discrete and 4-20 mA HART loop signals |
Channel-to-Channel Isolation & Signal Rejection
In process control networks and DCS architectures, signal isolation and noise mitigation maintain feedback loop accuracy. The Honeywell 51201420-010 FTA cable assembly utilizes shielded, low-capacitance conductor pairs engineered to prevent electromagnetic interference (EMI) from corrupting analog input/output loops and digital switching lines. Ground potential equalization across the cable assembly ensures galvanic separation between field wiring terminals and sensitive backplane electronics, preserving 4-20 mA HART signal linearity across the full 10 meters length.
Frequently Asked Questions
Q: Can this cable assembly be hot-swapped while the DCS I/O module is actively powered?
A: Passive FTA cables may be disconnected from field termination assemblies; however, signal circuits should be de-energized or put in manual loop mode prior to disconnection to prevent process field trips.
Q: How is the cable shielding grounded to avoid ground loops between field devices and the control cabinet?
A: The overall shield braid must be grounded at a single point, typically via the ground lug or chassis termination bar inside the main DCS cabinet enclosure.
Q: Does the cable support digital HART protocol pass-through along with standard 4-20 mA analog signals?
A: Yes, the cable dielectric and conductor geometry maintain frequency response specs required for bidirectional HART digital modulation over the 4-20 mA DC carrier.
Field Installation Guidelines
- Route the FTA cable through designated low-voltage control wireways, keeping at least 200 mm clearance from high-voltage AC power distribution lines.
- Secure strain relief brackets at both the FTA terminal block end and the I/O rack interface to prevent stress on connector pin contacts.
- Ensure the ambient operating temperature along the cable tray path remains within the -20 to 70 deg C rating.
- Verify that pin alignments match the keying slots on the Honeywell FTA connectors before applying insertion force.
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
Navigating Industrial Automation Failures: Types, Causes, and Mitigation Strategies
Modern manufacturing relies heavily on automated control systems to maximize throughput and maintain product quality. However, unplanned downtime in industrial automation can cost facility operators thousands of dollars per hour. Understanding how programmable logic controllers (PLCs), distributed control systems (DCS), and field instrumentation fail empowers engineering teams to implement robust preventive maintenance strategies.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.
The Role of Intrinsic Safety Barriers in PLC and DCS Architectures
Implementing robust protection in hazardous industrial environments represents a fundamental safety requirement in factory automation. Process facilities often handle volatile gases, dusts, and chemical agents that pose significant combustion risks. Consequently, control system engineers must deploy energy-limiting interfaces to isolate safe-area control cabinets from hazardous-area field instrumentation. This article examines the function, selection, and electrical principles of intrinsic safety barriers within modern PLC and DCS networks.