The ABB 560CMU05 (Part Number: 1KGT012700R0002) is a high-performance Communication Unit (CMU) designed for the RTU560 remote terminal unit series. This module acts as the “intelligence center” of the RTU, managing data acquisition, processing, and station-level communication. It is specifically engineered for power system automation, including substation control, grid monitoring, and renewable energy integration.
Equipped with a powerful 32-bit processor and a real-time operating system, the 560CMU05 handles multiple communication protocols simultaneously. It serves as a gateway between the field level (I/O modules) and the network control center (SCADA), ensuring that telemetry data is transmitted with high precision and time-stamped accuracy.
📊 Technical Specifications & Module Data
The 560CMU05 is a plug-in module designed for the RTU560 swing rack or subrack, featuring integrated serial and Ethernet interfaces.
| Feature | Specification Detail |
| Product Model | 560CMU05 |
| Product ID | 1KGT012700R0002 |
| Manufacturer | ABB |
| Main Processor | 32-bit ARM High-Speed CPU |
| Memory | 128 MB RAM / 256 MB Flash |
| Ethernet Ports | 2 x 10/100 BaseT (RJ45) |
| Serial Interfaces | 2 x RS-232 / RS-485 (Configurable) |
| Real-Time Clock | Integrated (Battery Buffered) |
| Diagnostic Interface | 1 x RS-232 (Front Panel) |
| Protocol Support | IEC 60870-5-101/104, DNP3, Modbus, IEC 61850 |
🛠️ Key Functional Capabilities
- Multi-Protocol Gateway: The 560CMU05 excels at protocol conversion. It can collect data from legacy Modbus devices and report it to a modern SCADA system via IEC 60870-5-104 or IEC 61850, allowing for seamless grid modernization.
- High-Resolution Time Stamping: For sequence-of-events (SOE) recording, the module provides microsecond-level precision. This is critical for post-fault analysis in electrical substations where the order of relay trips must be known exactly.
- Integrated PLC Functionality: Beyond communication, the CMU supports logic programming according to IEC 61131-3. This allows the RTU to perform local automation tasks, such as interlocking or load shedding, independently of the central master.
- Cybersecurity Hardening: In compliance with NERC-CIP and IEC 62443 standards, the 560CMU05 includes secure authentication, encrypted communication channels, and logging features to protect critical infrastructure from unauthorized access.
🌐 Smart Grid & Utility News (March 2026)
In March 2026, the global energy transition is driving a massive upgrade cycle for secondary substation automation. Industry reports indicate that utilities in North America and Europe are increasingly deploying “Software-Defined RTUs.” The ABB RTU560 platform remains a leader in this space due to the modularity of units like the 560CMU05, which now supports containerized applications for local grid balancing and EV charging management.
Furthermore, the introduction of “Substation 5.0” standards this month emphasizes the role of edge-processing. The 560CMU05 is being utilized as an edge gateway to filter high-bandwidth data before sending summarized insights to the cloud. This reduces network congestion and allows grid operators to respond to volatility in wind and solar output within milliseconds, ensuring stable frequency regulation across the network.
🔍 Related RTU560 Series Components
To maintain or scale an ABB 560CMU05 communication system, the following power supply and I/O modules are typically required:
| Product Model | Part Number | Category |
| ABB 560PSU02 | 1KGT011600R0001 | Power Supply Unit |
| ABB 560BIR01 | 1KGT034000R0001 | Binary Input Module |
| ABB 560BOR01 | 1KGT034100R0001 | Binary Output Module |
| ABB 560AIR01 | 1KGT034200R0001 | Analog Input Module |
| ABB 23BE50 | 1KGT020900R0001 | Extension Rack |
