Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | ABB 07KT92 GJR5250500R0902 |
| Manufacturer | ABB |
| Product Type | Central Processing Unit (CPU) |
| Product Series | Procontic CS31 / AC31 |
| Power Supply | 24 V DC (nominal, ±15% tolerance) |
| Processor Type | 16-bit industrial real-time CPU |
| User Program Memory | 1 MB RAM + Flash-EPROM |
| Processing Speed | 0.07 ms/kB (65% bit processing + 35% word processing) |
| High-Speed Counter | 50 kHz (encoder/speed measurement) |
| Digital Inputs | 24 channels / 24 V DC (electrically isolated) |
| Digital Outputs | 16 channels / 24 V DC – 0.5A (transistor output) |
| Analog Inputs | 8 channels (4-20mA / 0-10V / temperature, configurable as DI) |
| Analog Outputs | 4 channels (4-20mA / 0-10V) |
| Communication Interfaces | 2× RS485 serial (Modbus/ASCII), CS31 system bus, ARCnet via BNC |
| Operating Temperature | -20°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP20 (cabinet installation) |
| Mounting Type | DIN rail mounting |
| Dimensions | Approx. 120 mm x 80 mm x 50 mm |
| Weight | Approx. 0.5 – 0.9 kg |
Main Features and Advantages
Highly Integrated I/O and Processing: The ABB 07KT92 combines a powerful CPU with extensive onboard I/O capabilities. With 24 digital inputs, 16 digital outputs, 8 analog inputs, and 4 analog outputs, this compact module eliminates the need for separate I/O modules in many applications . This integration reduces cabinet space requirements and simplifies system design, while the built-in high-speed counter supports precise speed measurement and encoder applications.
Advanced Communication and Networking: The GJR5250500R0902 is equipped with multiple communication interfaces to support various industrial networks. The built-in CS31 remote bus interface enables connection to up to 31 slave stations over twisted-pair cabling, with a maximum distance of 500 meters (up to 2000 meters with repeaters) . The ARCnet coupler interface, accessible via BNC connector for coaxial cable, allows flexible network topologies with a maximum of 8 stations and 300 meters cable length . Additionally, the dual RS485 serial ports support Modbus and ASCII protocols, enabling integration with third-party devices and legacy equipment.
Built-in PID Control and Advanced Functions: The ABB 07KT92 includes built-in PID control capabilities, enabling the module to independently perform closed-loop control of temperature, pressure, and flow without requiring external controllers . This offloads computational tasks from the central control system and reduces response latency for critical control loops. The module also supports multi-pump circulation, inverter/mains switching, and frequency conversion functions, making it particularly suitable for water treatment and pumping applications.
Robust Industrial Design: Engineered for harsh environments, the 07KT92 GJR5250500R0902 operates reliably across a wide temperature range from -20°C to +60°C . Its 150% overload capacity for 60 seconds provides protection against momentary overcurrent conditions . For configurations above 75 kW, the module includes integrated DC reactors to suppress harmonics and protect equipment . With IP20 protection for cabinet installation and comprehensive electromagnetic interference resistance, the ABB 07KT92 delivers the durability and longevity required for continuous industrial operation.
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