Product Short Description
Product Introduction
The ABB 07KT98B is a high-performance, modular basic controller unit designed for the ABB Advant Controller 31 (AC31) distributed automation system. It functions as a core processing module, operating as a bus master, remote slave processor, or standalone controller to execute logic control, data acquisition, and real-time process management. This unit integrates digital and analog I/O, non-volatile memory, and flexible communication interfaces, delivering reliable performance for industrial automation, process control, and machine automation applications. Built with industrial-grade components, it ensures stable operation in harsh factory environments and supports seamless system expansion via modular I/O extensions.
Description
Technical Specifications
Core Processing & Memory
- Processor: High-performance embedded 32-bit microcontroller
- Program Memory: Integrated Flash EPROM (non-volatile, retains program/data without power)
- Data Memory: Expandable via SmartMedia Card (07 MC 90) for user data, OS updates, and program storage
- Programming Interface: Compatible with ABB AC31 programming software (907 AC 1131)
- Online Programming: Supports real-time program modification without system shutdown
I/O Configuration (Integrated)
- Digital Inputs: 24 channels (24 V DC, LED status indicators)
- Digital Outputs: 16 transistor channels (24 V DC, LED status indicators)
- Configurable Digital I/O: 8 channels (bidirectional, individually configurable as input/output)
- Analog Inputs: 8 individually configurable channels
- Voltage ranges: 0–10 V, 0–5 V, ±10 V, ±5 V
- Resolution: 12 bits + sign (16-bit data format)
- Total error: < ±0.5% of full-scale range
- Isolation: Full electrical isolation between I/O circuits and control logic
Power & Communication
- Power Supply: 24 V DC nominal (18–30 V DC operating range)
- Power Consumption: ≤ 15 W (typical, full I/O load)
- Communication Interface: CS31 system bus (master/slave mode)
- Expansion Ports: Supports connection to remote I/O modules (07 AI, 07 AO, 07 DI, 07 DO series)
- Addressing: Configurable via DIP switches for bus identification
Mechanical & Physical Specifications
- Dimensions: 120 mm × 90 mm × 70 mm
- Net Weight: 0.9 kg
- Mounting: 35 mm DIN rail mounting
- Terminals: Screw terminals for field wiring and bus connection
- Protection Rating: IP20 (front panel)
Environmental & Reliability Ratings
- Operating Temperature: 0°C to +55°C
- Storage Temperature: -40°C to +85°C
- Relative Humidity: 5%–95% RH, non-condensing
- Vibration Resistance: IEC 60068-2-6 (5–500 Hz, 10 g rms)
- Shock Resistance: IEC 60068-2-27 (50 g, 11 ms half-sine)
- MTBF: Exceeds 150,000 hours
- Certifications: CE, UL, CSA, RoHS compliance
Key Features
Versatile Operational Modes
- Bus Master: Manages entire AC31 system, coordinates remote I/O and slave controllers
- Remote Slave: Operates as distributed processing node in large-scale automation networks
- Standalone Controller: Functions as independent PLC for small to medium machine control
- Dual Redundancy Support: Enables high-availability configurations for critical processes
Integrated I/O & Signal Processing
- Combined Digital/Analog I/O: Eliminates need for separate I/O modules in basic applications
- Configurable Analog Inputs: Supports multiple voltage ranges for universal sensor compatibility
- LED Status Indicators: Real-time visual feedback for I/O channel and module status
- Signal Isolation: Prevents ground loops and electrical noise interference
Robust Memory & Data Management
- Non-Volatile Flash Memory: Preserves control logic and process data during power loss
- SmartMedia Card Expansion: Facilitates easy program backup, restoration, and firmware updates
- Data Logging: Stores process variables and event logs for diagnostics and analysis
- Real-Time Clock: Supports time-stamped data recording and scheduled operations
Flexible System Integration
- Modular Expansion: Connects to ABB 07-series I/O modules for customized I/O configurations
- CS31 Bus Compatibility: Seamless integration with Advant Controller 31 ecosystem
- Multi-Protocol Support: Interfaces with Modbus, Profibus, and Ethernet via expansion modules
- Open Architecture: Compatible with third-party HMI and SCADA systems
User-Friendly Programming & Diagnostics
- IEC 61131-3 Compliance: Supports ladder logic, function block, and structured text programming
- Online Editing: Modifies control logic during operation without production downtime
- Comprehensive Diagnostics: Monitors I/O status, communication health, and internal faults
- Fault Alarms: Generates alerts for abnormal conditions to enable quick troubleshooting
Application Scenarios
Manufacturing & Machine Automation
- Assembly Lines: Controls conveyor systems, robotic arms, and material handling equipment
- Packaging Machines: Manages filling, sealing, labeling, and palletizing operations
- Textile Machinery: Controls spinning, weaving, and dyeing processes with precise speed regulation
- Plastic Processing: Regulates injection molding, extrusion, and blow molding machines
- Printing Equipment: Synchronizes paper feed, ink distribution, and cutting mechanisms
Process Industry Automation
- Food & Beverage: Controls mixing, cooking, pasteurization, and packaging lines
- Pharmaceutical: Manages cleanroom processes, liquid handling, and tablet production
- Chemical Plants: Regulates reactor temperature, pressure, and flow in batch processes
- Water Treatment: Controls filtration, disinfection, and pH adjustment systems
- Pulp & Paper: Manages drying, pressing, and coating operations with analog feedback
Building & Infrastructure Automation
- HVAC Systems: Controls heating, ventilation, and air conditioning in commercial buildings
- Pumping Stations: Regulates water pressure, flow, and pump motor operation
- Elevator Control: Manages motor speed, door operation, and safety interlocks
- Lighting Control: Implements energy-efficient lighting schedules and occupancy-based control
Power & Energy Management
- Substation Automation: Monitors and controls switchgear, transformers, and power distribution
- Renewable Energy: Manages solar inverter and wind turbine control systems
- Backup Power: Controls UPS systems and generator start/stop sequences
- Energy Monitoring: Acquires voltage, current, and power factor data for efficiency analysis
Marine & Offshore Applications
- Ship Automation: Controls propulsion, auxiliary systems, and safety equipment
- Offshore Platforms: Manages wellhead control, pumping, and safety shutdown systems
- Vessel HVAC: Regulates temperature and humidity in cargo holds and crew quarters






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