ABB NTR002 Bailey Infi 90 Digital I/O Termination Unit

Description

Technical Specifications

Core Identification

• Model: NTR002 (also referenced as NTRO02-A, BB6603001A)
• Product Type: Digital I/O Termination Unit
• Compatible Systems: ABB Bailey Infi 90 DCS, ABB Symphony Plus DCS, NTR series digital I/O modules
• Manufacturer: ABB (Bailey Controls)
• Country of Origin: Sweden / United States
• Net Weight: 0.46 kg
• Dimensions (W × H × D): 25.8 cm × 13.3 cm × 2.5 cm
• Status: Legacy product with active support for existing installations

Electrical Specifications

• Channel Configuration: 16-channel digital I/O termination (8 input, 8 output channels)
• Signal Type: 24 V DC digital signals
• Input Voltage: 24 V DC nominal (18–30 V DC operating range)
• Output Voltage: 24 V DC (transistor output)
• Isolation Voltage: 1000 V AC (galvanic isolation between field and system)
• Maximum Input Current: 10 mA per input channel
• Maximum Output Current: 500 mA per output channel
• Power Supply: 24 V DC external power
• Power Consumption: 100 mA maximum
• Response Time: <5 ms for input detection and output switching
• Terminal Type: Screw terminal blocks (0.5–2.5 mm² wire capacity)
• Surge Protection: Built-in transient voltage suppression for all channels

Mechanical Specifications

• Mounting: DIN rail mounting (35 mm standard) or direct panel mounting
• Housing Material: High-strength, flame-retardant industrial plastic (UL 94 V-0 rated)
• Terminal Marking: Permanent, clear channel labeling for easy identification
• Cable Entry: Multiple side-entry points for flexible wiring arrangements
• Protection Rating: IP20 (indoor cabinet installation)
• Durability: Terminal screws withstand repeated tightening without stripping
• Modular Design: Compatible with standard Infi 90 mounting hardware

Environmental Specifications

• Operating Temperature: -20°C to +60°C
• Storage Temperature: -25°C to +70°C
• Relative Humidity: 5–95% RH, non-condensing
• 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, IEC 61000-6-2, IEC 61000-6-4
• Chemical Resistance: Resists common industrial oils, solvents, and mild corrosives

Certifications & Compliance

• CE Marking
• UL Listed (UL 61010-1)
• CSA Certified (CSA C22.2 No. 61010-1)
• RoHS Directive compliance
• IEC 61010-1 safety standard compliance
• Flame retardant certification (UL 94 V-0)

Key Features

16-Channel Combined I/O Termination

• Provides dedicated termination for 8 digital input and 8 digital output channels in a single unit
• Supports both sourcing and sinking input configurations
• Features individual screw terminals for each input/output channel
• Includes dedicated common ground terminals for input and output sections
• Compatible with dry contacts, proximity switches, relays, solenoids, and other digital field devices

Industrial-Grade Signal Reliability

• Galvanic isolation (1000 V AC) protects the DCS system from field-side electrical faults
• Built-in surge suppression safeguards against voltage transients and electrical noise
• High-quality terminal contacts maintain low-resistance connections over extended periods
• Isolated channel design eliminates crosstalk between adjacent signals
• Ensures stable signal transmission in electrically noisy industrial environments

Simplified Wiring & Installation

• Centralized termination point reduces field wiring complexity and installation time
• Clear channel labeling minimizes wiring errors during commissioning
• DIN rail mounting enables quick installation and removal in control cabinets
• Flexible cable entry accommodates various wiring layouts and cable sizes
• Modular design allows for easy replacement without disturbing adjacent wiring

Enhanced System Integration

• Fully compatible with all ABB Bailey Infi 90 digital I/O modules
• Seamlessly integrates with Symphony Plus DCS systems for legacy migration
• Supports direct connection to ABB PLCs and distributed control architectures
• Maintains backward compatibility with older Bailey control system components
• Automatically recognized by connected I/O modules for plug-and-play operation

Space-Saving & Efficient Design

• Compact form factor optimizes valuable cabinet space utilization
• Slim profile allows for dense installation of multiple termination units
• Lightweight construction (0.46 kg) reduces structural load on mounting rails
• Efficient layout maximizes channel density per unit area
• Fits standard Infi 90 control cabinet configurations

Low Power Operation

• Ultra-low power consumption (100 mA max) minimizes energy usage
• Reduces heat generation in control cabinets, improving overall system reliability
• Operates on standard 24 V DC industrial power supplies
• Efficient power management ensures stable operation during voltage fluctuations
• No active cooling required, simplifying installation and maintenance

Comprehensive Protection Features

• Overcurrent protection for all output channels
• Short-circuit protection prevents damage to connected field devices
• Secure screw terminals prevent accidental wire disconnections
• IP20 protection against contact with live components
• Compliance with international safety standards for industrial control systems

Application Scenarios

Process Industries

• Oil & Gas Refineries: Terminating digital I/O signals for valves, pumps, compressors, and emergency shutdown systems
• Chemical Plants: Connecting limit switches, level sensors, solenoid valves, and safety interlocks
• Petrochemical Facilities: Monitoring and controlling process equipment in hazardous areas
• Pharmaceutical Manufacturing: Terminating signals for cleanroom equipment, batch processes, and quality control systems
• Food & Beverage Processing: Connecting conveyor sensors, fill level detectors, and packaging line controls

Power Generation & Distribution

• Thermal Power Plants: Terminating digital I/O for boiler control, turbine monitoring, and switchgear status
• Hydroelectric Facilities: Connecting gate position sensors, flow meters, and generator status indicators
• Wind Farms: Terminating signals from turbine controllers, yaw systems, and safety shutdowns
• Solar Power Plants: Monitoring inverter status, grid connection, and tracker position
• Substation Automation: Terminating digital signals from protection relays and circuit breakers

Water & Wastewater Treatment

• Municipal Water Treatment Plants: Connecting pump status, valve position, and filter backwash signals
• Wastewater Treatment Facilities: Terminating aeration basin sensors, sludge level indicators, and chemical feed systems
• Desalination Plants: Monitoring high-pressure pump status and membrane system interlocks
• Industrial Water Systems: Connecting cooling tower sensors and boiler feedwater control signals

Manufacturing & Production

• Automotive Manufacturing: Terminating assembly line sensors, robot interlocks, and conveyor status
• Metal Processing: Connecting furnace temperature limit switches and rolling mill position sensors
• Pulp & Paper Mills: Monitoring dryer section status, reel tension sensors, and safety barriers
• Cement Production: Terminating kiln feed signals, preheater level sensors, and baghouse status
• Plastics Manufacturing: Connecting extruder pressure switches and mold position indicators

Mining & Mineral Processing

• Ore Processing Plants: Terminating conveyor belt sensors, crusher status, and flotation cell level switches
• Underground Mining: Connecting ventilation fan status, gas detection alarms, and mine door interlocks
• Conveyor Systems: Monitoring belt speed, material presence, and emergency stop signals
• Stockpile Management: Terminating loader position sensors and inventory level indicators

Marine & Offshore Applications

• Offshore Drilling Platforms: Connecting BOP status, pump interlocks, and emergency shutdown signals
• FPSO Vessels: Terminating process control signals and cargo tank level indicators
• Ship Automation Systems: Monitoring engine room equipment, navigation sensors, and safety systems
• Dynamic Positioning Systems: Connecting thruster status and position reference sensors

Infrastructure & Building Automation

• Airport Baggage Handling: Terminating conveyor sensors, sorting machine status, and security interlocks
• Port Container Terminals: Connecting crane position sensors, automated guided vehicle signals, and gate status
• Data Center Automation: Monitoring UPS status, cooling system alarms, and access control signals
• Large-Scale HVAC Systems: Terminating duct pressure switches, fire dampers, and fan status indicators