Product Short Description
The ABB NTCL01 is a high-performance communication termination and link unit designed specifically for ABB Bailey industrial automation systems, including the INFI 90 and Symphony Plus DCS platforms. It serves as a critical interface component that terminates INFI-NET communication loops and factory circuits, providing a secure connection point between network interface slave modules (such as INNIS01) or loop interface modules (such as INLIM03) and the broader communication network. This unit enables stable, high-integrity data transmission, supports multiple cable types via configurable jumpers, and delivers centralized termination for industrial control systems. Engineered for industrial-grade reliability, it operates seamlessly in harsh environments, simplifies system wiring, and ensures consistent communication between controllers, I/O modules, and field devices, making it an essential component for large-scale process control and automation architectures.
Description
Technical Specifications
Core Identification
- Model: NTCL01
- Product Type: Communication Link Terminal Unit
- Manufacturer: ABB (Bailey Controls)
- Compatible Systems: ABB INFI 90 DCS, ABB Symphony Plus DCS, INNIS01 network interface slave modules, INLIM03 loop interface modules
- Part Numbers: 3BSE003832R1, 6636997L1 (assembly part number)
- Country of Origin: USA (varies by production batch), with regional assembly in China (Xiamen) for some markets
- Net Weight: 0.476 kg (gross weight 3 kg for shipping)
- Dimensions (D × W × H): 9.65 cm × 22.10 cm × 23.62 cm
Communication Specifications
- Communication Protocol: INFI-NET® communication protocol
- Function: Terminates INFI-NET communication loops and factory circuits
- Cable Compatibility: Supports both twinaxial and coaxial communication cables
- Configuration: Jumper settings to select cable type (twinaxial/coaxial)
- Interface Role: Provides terminal points for network interface slave modules (INNIS01) and loop interface modules (INLIM03)
- Signal Integrity: Maintains stable signal transmission with built-in termination circuitry
Power Specifications
- Power Supply: 24 V DC
- Power Consumption: 15.8 mA (typical), 19.7 mA (maximum)
- Power Output: 1 A @ 24 V DC (for connected modules)
- Power Protection: Built-in protection against electrical surges in communication lines
- Cooling Requirement: No active cooling needed when installed in ABB Bailey control cabinets and operated within environmental limits
Mechanical Specifications
- Mounting: Designed for installation in ABB Bailey control cabinets, compatible with standard industrial racks
- Housing: Industrial-grade plastic construction with robust terminal connections
- Termination: Secure terminal blocks for communication cable and module connections
- Protection Rating: IP20 (for indoor cabinet installation); some variants offer IP65 protection for harsh environments
- Coating: Protective coating on electronic components to resist dust and minor moisture
Environmental Specifications
- Operating Temperature: -20°C to +60°C (extended range: -25°C to +70°C for industrial use)
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5–90% RH (±5%) up to 55°C (non-condensing); 5–40% RH (±5%) up to 70°C (non-condensing)
- Air Quality: Designed for non-corrosive industrial environments
- Vibration Resistance: IEC 60068-2-6 compliant (10–2000 Hz, 1 g)
- Shock Resistance: IEC 60068-2-27 compliant (15 g, 11 ms)
- EMC Compliance: EN 55011, EN 61800-3, IEC 61000-6-2/4-2
Certifications & Compliance
- CE Marking
- UL Listed (UL 61010-1)
- CSA Certified (CSA C22.2 No. 61010-1)
- RoHS Directive compliance
- Hazardous Area Certification: Class 1, Div 2, Groups A, B, C, D (T4)
- IEC 61010-1 safety standard compliance
- Factory Warranty: 12 months (brand new units)
Key Features
INFI-NET Loop Termination
- Specifically designed to terminate INFI-NET communication loops and factory circuits
- Provides secure terminal points for INNIS01 and INLIM03 interface modules
- Supports both twinaxial and coaxial cables, selectable via jumper settings
- Ensures proper signal termination to minimize signal reflection and interference
- Maintains high signal integrity for reliable data transmission in large-scale systems
Seamless ABB System Integration
- Fully compatible with ABB INFI 90 and Symphony Plus DCS platforms
- Integrates seamlessly with ABB Bailey PLCs and I/O modules
- Automatically recognized by connected interface modules for plug-and-play operation
- Supports system expansion by enabling additional communication loops
- Maintains backward compatibility with legacy ABB Bailey control systems
Industrial-Grade Reliability
- Constructed with high-quality materials for long-term stable operation
- Withstands harsh industrial conditions, including extreme temperatures and vibration
- Built-in surge protection to safeguard against electrical faults in communication lines
- Resists dust and moisture in non-corrosive environments
- Designed for continuous 24/7 operation with minimal maintenance requirements
Flexible Cable Configuration
- Jumper-selectable cable compatibility (twinaxial/coaxial) for versatile system design
- Accommodates different communication cable types to meet specific installation needs
- Simplifies wiring and reduces the need for additional adapter modules
- Ensures compatibility with existing cable infrastructure in legacy systems
- Supports long-distance communication loops with minimal signal degradation
Compact & Easy Installation
- Space-saving design optimizes cabinet space utilization
- Lightweight construction (0.476 kg) reduces mounting rail load
- Designed for direct installation in ABB Bailey control cabinets
- Clear terminal labeling for easy wiring and troubleshooting
- No active cooling required, reducing installation complexity
Low Power Consumption
- Ultra-low power consumption (15.8 mA typical) minimizes energy usage
- Reduces heat generation in control cabinets, improving overall system reliability
- Compatible with standard 24 V DC industrial power supplies
- Efficient power management ensures stable operation even during voltage fluctuations
Comprehensive Protection
- Built-in surge protection for communication lines to prevent module damage
- Protects connected interface modules from electrical transients and ground loops
- Complies with hazardous area standards for use in Class 1, Div 2 environments
- Ensures safe operation in electrically noisy industrial settings
- Prevents signal loss and data corruption during power surges
Easy Maintenance & Troubleshooting
- Modular design allows for quick replacement without system shutdown
- Clear visual indicators for power and communication status
- Simplified wiring with pluggable terminal blocks
- Compatible with ABB diagnostic tools for remote monitoring
- Reduces downtime with easy access to terminals and configuration jumpers
Application Scenarios
Process Control Systems
- Oil & Gas Refineries: Terminating INFI-NET communication loops in distributed control systems for process monitoring and control
- Chemical Plants: Connecting interface modules to communication networks in corrosive and high-temperature environments
- Petrochemical Facilities: Ensuring reliable data transmission between controllers and field devices in hazardous areas
- Pharmaceutical Manufacturing: Supporting precise communication in cleanroom process control systems
- Food & Beverage Processing: Terminating communication loops for hygienic production line control
Power Generation & Distribution
- Thermal Power Plants: Integrating with ABB INFI 90 DCS to terminate communication loops for turbine and boiler control
- Hydroelectric Facilities: Connecting interface modules in dam and turbine monitoring systems
- Wind Farms: Terminating communication lines for wind turbine control and power management
- Solar Power Plants: Supporting communication between inverter systems and central control platforms
- Substation Automation: Terminating INFI-NET loops for protection relay and monitoring system connectivity
Water & Wastewater Treatment
- Municipal Water Plants: Terminating communication loops for filter, pump, and valve control systems
- Wastewater Treatment Facilities: Connecting interface modules in aeration and sludge processing systems
- Desalination Plants: Supporting large-scale process control communication networks
- Industrial Water Systems: Integrating cooling water and boiler feedwater control systems
Manufacturing & Production
- Automotive Manufacturing: Terminating communication loops in assembly line control systems
- Metal Processing: Connecting interface modules in furnace and rolling mill control systems
- Pulp & Paper Mills: Supporting large-scale distributed control architectures with reliable communication termination
- Cement Production: Terminating INFI-NET loops for kiln and raw material processing control
- Plastics Manufacturing: Integrating extrusion and molding control systems
Mining & Mineral Processing
- Ore Processing Plants: Terminating communication loops for crushing, grinding, and flotation control systems
- Underground Mining: Ensuring reliable communication in harsh underground environments
- Conveyor Systems: Connecting interface modules for long-distance material handling control
- Mineral Processing: Supporting communication between distributed I/O and central controllers
Marine & Offshore Applications
- Offshore Drilling Platforms: Terminating communication loops for drilling and production control systems
- FPSO Vessels: Supporting communication networks on floating production units
- Ship Automation Systems: Connecting navigation and propulsion control modules
- Dynamic Positioning Systems: Ensuring reliable communication for thruster control systems
Infrastructure & Building Automation
- Airport Baggage Handling: Terminating communication loops for conveyor and sorting system control
- Port Container Terminals: Connecting interface modules for crane and automated guided vehicle control
- Data Center Automation: Supporting communication between cooling and power management systems
- Large-Scale HVAC Systems: Terminating loops for building management and climate control systems






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