
Product Description
ABB NKTU01-15 Termination Cable - Reliable Connectivity for Bailey INFI 90 & Net 90 Systems
The ABB NKTU01-15 delivers precision-engineered connectivity for legacy Bailey INFI 90 and Net 90 distributed control systems deployed across process industries worldwide. This 15-foot prefabricated termination cable provides reliable signal transmission between Network Interface Slave (NIS) modules and termination units, ensuring uninterrupted communication in mission-critical automation environments where system uptime directly impacts production efficiency and safety.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | NKTU01-15 |
| Cable Type | Prefabricated PVC communication cable |
| Length | 15 feet (4.572 meters) |
| Voltage Rating | 300V AC |
| Cable Diameter | 0.0635 mm (nominal) |
| Insulation Material | PVC (Polyvinyl Chloride) |
| Operating Temperature | -20°C to +60°C (-4°F to 140°F) |
| System Compatibility | ABB Bailey INFI 90, Net 90 DCS platforms |
| Application | NIS to termination unit connectivity |
| Standards Compliance | IEC compliant for industrial cables, CE marked |
| HS Code | 85444290 |
| Country of Origin | Switzerland |
System Architecture & Connectivity
Network Interface Slave (NIS) Integration: The NKTU01-15 serves as the critical communication link between NIS modules and field termination assemblies in Bailey INFI 90 distributed control architectures. The NIS modules act as intelligent I/O processors that interface between the INFI-Net control network and distributed field devices, while termination units provide marshalling and signal conditioning for analog inputs, digital outputs, and specialty I/O functions.
Signal Integrity Design: The cable's construction incorporates twisted-pair conductors with PVC insulation optimized for industrial noise immunity. This design minimizes electromagnetic interference (EMI) from adjacent power cables, variable frequency drives, and switching equipment common in process control environments. Proper shielding and grounding practices ensure signal fidelity across the full 15-foot cable run.
Prefabricated Reliability: Factory-terminated connectors eliminate field wiring errors and reduce installation time compared to bulk cable assemblies. Each cable undergoes continuity testing and insulation resistance verification before shipment, ensuring plug-and-play reliability during commissioning and replacement activities.
Industrial Applications
Chemical Process Control: Connects distributed I/O racks to Bailey INFI 90 controllers managing reactor temperature control, batch sequencing, and material handling systems in chemical manufacturing facilities. The 300V rating provides adequate voltage isolation for industrial control circuits operating at 24V DC or 120V AC signal levels.
Oil & Gas Production: Supports wellhead automation, pipeline SCADA systems, and compressor station control in upstream and midstream operations. The cable's temperature range accommodates outdoor installations in climate-controlled enclosures from arctic to desert environments.
Power Generation Facilities: Enables communication between turbine control systems, boiler automation, and emissions monitoring equipment in coal-fired, gas-fired, and combined-cycle power plants. The robust PVC insulation withstands exposure to heat, moisture, and vibration typical of power generation environments.
Pharmaceutical Manufacturing: Provides validated connectivity for GMP-compliant process control systems managing sterile production, clean-in-place (CIP) sequencing, and environmental monitoring in pharmaceutical facilities. The cable's CE marking supports regulatory compliance documentation for FDA-inspected installations.
Water & Wastewater Treatment: Connects distributed I/O modules controlling filtration, chemical dosing, and disinfection processes in municipal treatment plants. The cable's corrosion-resistant PVC construction tolerates humid environments and occasional exposure to process chemicals.
Installation & Configuration
The NKTU01-15 features keyed connectors that prevent incorrect mating during installation, reducing commissioning errors and troubleshooting time. The 15-foot length accommodates typical spacing between control cabinet-mounted NIS modules and field-mounted termination panels without requiring cable extensions or junction boxes.
Routing Guidelines: Install cables in dedicated cable trays or conduit separate from AC power wiring to minimize electromagnetic interference. Maintain minimum 6-inch separation from high-voltage cables (>480V AC) and variable frequency drive output conductors. Avoid sharp bends with radius less than 10× cable diameter to prevent conductor damage.
Grounding & Shielding: Connect cable shield to protective earth at one end only (typically at the NIS module end) to prevent ground loop currents. Ensure continuity of shield termination through metal cable glands or EMI backshells at panel penetrations. Verify shield resistance to ground measures less than 1 ohm using a digital multimeter.
Maintenance & Troubleshooting
The NKTU01-15 requires no periodic maintenance beyond visual inspection during scheduled system outages. Recommended inspection intervals include annual checks for connector tightness, insulation damage, and cable routing integrity. Replace cables showing signs of insulation cracking, conductor exposure, or connector corrosion.
Diagnostic Procedures: Communication faults between NIS modules and termination units often manifest as intermittent I/O errors or complete loss of field device data. Troubleshooting steps include verifying cable continuity with a multimeter (should measure <1 ohm end-to-end), checking insulation resistance (should exceed 10 megohms to ground), and inspecting connectors for bent pins or contamination.
Replacement Considerations: When replacing failed cables, verify part number compatibility with existing system hardware. The NKTU01-15 is specific to Bailey INFI 90 and Net 90 architectures—substitution with generic cables may result in communication failures due to incorrect pinout or impedance mismatch.
Legacy System Support
As Bailey INFI 90 and Net 90 systems approach end-of-life status, maintaining spare parts inventory becomes critical for sustaining operations until migration to modern control platforms. The NKTU01-15 represents essential infrastructure for facilities extending legacy system service life through proactive maintenance and strategic component replacement.
Migration Planning: For facilities planning migration from Bailey systems to ABB 800xA or third-party DCS platforms, maintaining cable inventory ensures continuity during phased cutover activities. The 15-foot cable length often matches new system wiring requirements, enabling reuse in retrofit installations.
Quality & Compliance
Manufactured to ABB quality standards, each NKTU01-15 cable undergoes factory testing including continuity verification, insulation resistance measurement, and connector retention force validation. CE marking indicates compliance with European Low Voltage Directive and RoHS restrictions on hazardous substances.
Related Products
| Product Name | Part Number | Description | Link |
|---|---|---|---|
| ABB NKTU01-12 Termination Cable | NKTU01-12 | 12-foot version for shorter cable runs | View Product |
| ABB NKTU01-10 Termination Cable | NKTU01-10 | 10-foot cable for compact installations | View Product |
| ABB NKLS01-10 INFI-Net Interface Cable | NKLS01-10 | 10-foot network interface cable for INFI 90 | View Product |
Ordering Information
Standard Configuration: NKTU01-15 ships as a complete assembly with factory-installed connectors and protective dust caps. No field assembly or special tools required for installation.
Quantity Recommendations: Maintain minimum 10% spare inventory based on installed cable count to support emergency replacements and planned maintenance activities. Bulk pricing available for quantities exceeding 25 units.
Why Choose Industrial Control Hub?
We specialize in ABB legacy control system components with comprehensive inventory of Bailey INFI 90 and Net 90 spare parts. Every NKTU01-15 cable ships with manufacturer documentation and quality certifications. Our technical team provides application support for system integration, cable routing design, and troubleshooting assistance.
Emergency Availability: Expedited shipping available for critical system failures requiring immediate cable replacement. Same-day shipment for in-stock items with global logistics support for international installations.
Technical Support: 24/7 hotline staffed by engineers familiar with Bailey system architectures, wiring practices, and migration strategies. We provide pre-sales consultation for spare parts planning and post-installation troubleshooting guidance.
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