ABB 07KT98G GJR5253100R0120 Advant Controller 31 Basic Unit – Integrated CPU with PROFIBUS-DP & CS31 Bus for Industrial Automation

Description

Technical Specifications

Main Features and Advantages

The ABB 07KT98G​ distinguishes itself in the industrial automation marketplace through its extraordinary level of integration—a true “all-in-one” control solution that embeds CPU, digital I/O, analog I/O, communication interfaces, and non-volatile storage within a single compact basic unit. This architectural philosophy means that for a vast majority of small to medium-scale automation projects, the ABB 07KT98G​ alone satisfies all control requirements without necessitating additional I/O expansion modules, yielding dramatic reductions in hardware expenditure, cabinet footprint, wiring complexity, and engineering hours. The 24 digital inputs, 16 digital transistor outputs, 8 configurable digital I/O points, 8 analog inputs, and 4 analog outputs onboard the ABB 07KT98G​ collectively provide sufficient signal handling capacity to manage pumps, valves, motors, sensors, transmitters, and actuators across typical machine control and process skid applications.Exceptional signal flexibility represents another cornerstone advantage of the ABB 07KT98G. The eight analog input channels are individually configurable to accept voltage signals (0…10V, 0…5V, ±10V, ±5V), current signals (0…20mA, 4…20mA), differential inputs, or Pt100 RTD temperature sensors in 2-wire or 3-wire configurations. Critically, each analog input can also be independently reconfigured as a digital input, granting engineers unprecedented adaptability to accommodate evolving field device requirements without hardware changes. The four analog outputs similarly support ±10V, 0…20mA, and 4…20mA signal types. This universal analog capability embedded directly in the ABB 07KT98G​ eliminates the need for external signal converters and simplifies system design while maintaining measurement precision suitable for closed-loop PID control of temperature, pressure, flow, and level processes.The dual-fieldbus architecture of the ABB 07KT98G​ (R0120 variant) delivers outstanding connectivity and system integration flexibility. The integrated PROFIBUS-DP interface enables direct communication with PROFIBUS-DP networks, allowing the ABB 07KT98G​ to exchange data with ABB and third-party PROFIBUS-DP devices, drives, and operator interfaces in open automation architectures. Simultaneously, the native CS31 system bus interface supports expansion to distributed AC31 I/O modules such as the 07AC91 analog I/O unit, 07DI91 digital input module, and 07DO91 digital output module, enabling the ABB 07KT98G​ to scale from a standalone controller to a master coordinating dozens of remote I/O stations. Two serial interfaces (COM1, COM2) operating as MODBUS ports facilitate programming, test functions, and custom communication with MODBUS RTU devices such as power meters, intelligent sensors, and HMI panels.Robust memory and data integrity features further elevate the ABB 07KT98G​ above conventional PLC CPUs. The maximum 1MB user program memory and 1MB user data area provide ample capacity for sophisticated control algorithms, while 256kB RETAIN memory preserves critical variables across power interruptions. The integrated SmartMedia Card slot accepts the 07MC90 card for bulk storage of user programs, operating system updates, and process data logging—enabling simple program cloning across multiple machines and straightforward disaster recovery. An integrated real-time clock timestamps events for sequence-of-events recording and coordinates time-based control strategies, while the 07LE90 lithium battery safeguards RAM contents and maintains clock accuracy during power outages. The ABB 07KT98G​ incorporates two high-speed counters (up to 50kHz, seven operating modes) for pulse counting, frequency measurement, and encoder interfacing, expanding its applicability to motion-related and high-speed discrete control tasks. Comprehensive diagnostic capabilities—including basic unit self-diagnostics, CS31 bus health monitoring, and connected module fault detection—coupled with front-panel LED displays for signal conditions, operating states, and error messages, empower maintenance personnel to rapidly identify and resolve issues, minimizing costly production downtime.