Description
ABB 07 KT 98 Logic Controller
The ABB 07 KT 98 (specifically GJR5253100R0272, also known as 07KT98B) is a high-performance central processing unit (CPU) within the ABB Advant Controller 31 (AC31) series. This Logic Controller is designed for complex automation tasks, offering integrated communication interfaces and a significant number of onboard I/O points to streamline control system architecture.
Product Introduction
The 07 KT 98 B serves as a powerful standalone controller or as a decentralized station within a larger network. It features built-in high-speed counters, analog processing, and support for CS31 system bus communication. It is widely recognized for its reliability in industrial environments, providing deterministic control for machinery, water treatment, and infrastructure projects.
ABB 07KT98 GJR5253100R0272
Product Parameters (Datasheet)
| Parameter | Specification |
| Model Number | 07 KT 98 B / GJR5253100R0272 |
| Supply Voltage | 24 VDC (19.2V to 30V) |
| Digital Inputs | 24 (24 VDC) |
| Digital Outputs | 16 (Transistor, 24 VDC / 0.5A) |
| Analog Inputs | 8 (Configurable: 0-10V, 0-20mA, Pt100/Pt1000) |
| Analog Outputs | 4 (Configurable: 0-10V, 0-20mA) |
| Program Memory | 512 KB Flash EPROM |
| RAM | 512 KB (Battery-backed) |
| Interfaces | CS31 System Bus, 2x Serial (RS-232/RS-485) |
| Processing Time | 0.3 ms for 1k instructions |
Country of Origin
- Origin: Germany
Usage Instructions
- Mounting: Install the controller on a standard DIN rail or via screw mounting in a clean, ventilated control cabinet.
- Wiring: Connect the 24V DC power supply to the designated terminals. Ensure that analog signal cables are shielded and separated from high-voltage power lines.
- Programming: Use the AC31 programming software (such as 907 AC 1131) to develop logic. The controller supports standard IEC 61131-3 languages including Ladder Diagram (LD) and Function Block Diagram (FBD).
- Networking: Utilize the CS31 bus port to connect additional remote I/O expansion modules. Up to 31 expansion modules can be managed by a single 07 KT 98.
- Battery Maintenance: If using the internal RAM for data storage, ensure the backup battery is replaced according to the maintenance schedule to prevent data loss during power outages.
Product Q&A
- Q: Can I expand the I/O beyond the onboard points?
- A: Yes, the 07 KT 98 is highly expandable via the CS31 system bus using various 07 AC and 07 DC expansion modules.
- Q: What is the difference between the 07 KT 98 and the 07 KT 97?
- A: The 07 KT 98 offers significantly higher memory capacity and faster processing speeds compared to the 07 KT 97, making it suitable for larger applications.
- Q: What do the LEDs labeled ‘ERR’ indicate?
- A: A red ‘ERR’ light signals a system fault. The flashing pattern typically identifies whether the error is internal (CPU) or external (I/O configuration/communication).
Recommended Similar Models
- ABB 07 KT 97: A lower-memory variant for mid-sized applications.
- ABB 07 KT 94: Entry-level CPU within the AC31 series.
- ABB 07 CR 41: Specialized controller for smaller, discrete control tasks.
- ABB 07 KR 51: A compact PLC for decentralized automation.
- ABB 07 KT 98 R0101: An earlier revision of the 07 KT 98 series.
Documentation & Manuals
For full technical specifications, I/O mapping, and communication protocol details:
Download ABB 07 KT 98 MANUAL datasheet
