ABB 07KR31 Procontic CS31 Compact CPU Unit

ABB 07KR31 Procontic CS31 Compact CPU Unit

07KR31 is a compact CPU unit of ABB Procontic CS31 distributed automation system, belonging to the classic old PLC controller. This machine comes with integrated digital I/O, which can operate independently as a small PLC or as a CS31 fieldbus master station. It can mount up to 61 remote I/O slave modules to achieve distributed acquisition and control. 07KR31 has built-in 2K instruction program storage, real-time clock, 10kHz high-speed counting channel, and supports RS232 programming port and Modbus communication. 07KR31 is used to collect on-site sensor signals, perform logical operations, interlock control, and output relay signals to drive solenoid valves, contactors, and other actuating components. It is the core control device of small distributed control systems.

Product features

1. Integrated compact design, the body comes with 12 DI+8 relay DO, small projects do not require additional I/O modules, and can be controlled directly.
2. Supports CS31 distributed bus and can expand up to 61 remote I/O. I/O modules are installed nearby, saving on-site wiring costs.
3. Equipped with a 10kHz high-speed counting channel, it can process encoder and pulse type high-speed signals, meeting the needs of simple positioning and pulse acquisition.
4. Integrated RS232 serial port, supporting program download, Modbus RTU master-slave communication, convenient for docking with upper computer HMI。
5. Built in real-time clock with battery backup, capable of timing control and event timestamp recording, with a lithium battery life of up to 10 years.
6. Program password protection function to prevent unauthorized personnel from modifying control logic and ensure process security.
7. Supports three power supply specifications to choose from, adapting to different on-site power conditions.
8. Guide rail installation, matched with ECZ base, the base can directly set the station address by dialing the code, making debugging simple.
9. Equipped with comprehensive self diagnostic functions, bus faults and I/O faults can be identified and alarmed for easy maintenance and troubleshooting.
10. Relay output contacts can directly drive AC loads and are compatible with universal actuators such as solenoid valves and contactors.

ABB 07KR31 Procontic CS31 Compact CPU Unit

Core service capability

1. Replacement of discontinued parts: Provide original factory compatible or verified replacement solutions for discontinued or obsolete models to reduce system upgrade and renovation costs
2. Quick response supply: sufficient inventory of commonly used spare parts, priority response to urgent inquiries, and shortened downtime
3. Full chain quality assurance: strict procurement channel management and quality inspection, traceability of key components
4. One stop system matching: covering the integrated procurement needs of system level spare parts from control modules to drive devices

Main product range

ABB 07KR31 Procontic CS31 Compact CPU Unit

Main brand

 ————————Shenzhen Changxin Automation Equipment Co Ltd -————————

Products that have been released are welcome for consultation. Due to the wide variety of models, we were unable to upload physical images one by one!

Parameter Specifications