07 KT 97 | ABB | Advant Controller Basic Unit

Overview
The 07 KT 97 by ABB is a compact and versatile basic unit designed for control and monitoring applications in industrial automation systems. This unit combines analog input and output functionality, providing accurate signal conversion, stable performance, and reliable communication across connected devices. Its configuration flexibility makes it suitable for both voltage and current-based measurement tasks.

Technical Specifications

• Model: 07KT97

• Manufacturer: ABB

• Product Type: Basic Unit / Controller Module

• Analog Inputs: 8 channels, grouped under AGND1 (channels 06,00...06,07)

• Input Configuration Options: 0–10 V, 0–5 V, ±10 V, ±5 V (differential), 0–20 mA, 4–20 mA, Pt100 (–50...+400°C or –50...+70°C, 2-wire or 3-wire)

• Input Impedance: >100 kΩ for voltage inputs; approx. 330 Ω for current inputs; approx. 4 kΩ for digital inputs

• Input Filtering: 470 µs (voltage), 100 µs (current)

• Self-Protection: Current input circuits feature automatic shunt shutdown under overload

• Conversion Time: Each active U/I channel adds approximately 1 ms; Pt100 channels approx. 50 ms; unused channels skipped automatically

• Analog Outputs: 4 channels, referenced to AGND2 (channels 06,00...06,03)

• Output Range: –10 V to +10 V, 0–20 mA, or 4–20 mA

• Load Capacity: Maximum ±3 mA (voltage output)

• Resolution: 12 bits, equivalent to 5 mV for –10 V to +10 V range

• Conversion Accuracy: Typical 0.5%, maximum 1%

• Cycle Time: Typical 1 ms per configured output channel

• Electrical Isolation: None between analog I/O groups

• Potential Difference Tolerance: ±1 V between terminal M and AGND

• Maximum Cable Length: Up to 100 meters (2-core shielded, ≥0.5 mm² cross section)

Key Features

• Flexible Signal Support: Handles voltage, current, and temperature sensor inputs including Pt100

• High Precision Conversion: 12-bit resolution ensures accurate process control

• Reliable Performance: Stable signal conversion with short cycle times

• Compact Design: Suitable for panel-mounted automation systems

• Easy Integration: Works seamlessly within ABB Advant and AC31 automation architectures

Applications

• Industrial process monitoring and control

• Analog data acquisition and signal conditioning

• Temperature and current measurement in automation systems

• Integration with ABB Advant Controller platforms

FAQ

Q1: What is the main function of the 07KT97 F1?
A1: It serves as a basic control unit providing both analog input and output capabilities for automation systems.

Q2: Does this unit support temperature sensors?
A2: Yes, it supports Pt100 temperature sensors with both 2-wire and 3-wire configurations.

Q3: Is there isolation between analog channels?
A3: No, the analog input and output groups share a common reference potential without galvanic isolation.

Q4: What is the maximum cable length for analog connections?
A4: Up to 100 meters when using shielded cables with a minimum 0.5 mm² cross section.

Q5: How accurate is the signal conversion?
A5: Typical conversion accuracy is 0.5%, with a maximum deviation of 1%.