Description
The part number 560CMU05 (specifically associated with order code 1KGT012700R0002) refers to a Central Communication Unit module manufactured by ABB.
Product Overview
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Manufacturer: ABB
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Part Number / Model: 560CMU05 (Catalog ID: 1KGT012700R0002)
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Component Type: Central Communication Unit (CMU) / Controller Module
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Platform: ABB RTU560 Remote Terminal Unit (RTU) Product Line
Key Specifications & Features
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Processor Architecture: Built around a high-performance 32-bit CPU handling protocol translation, event processing, and command execution.
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Communication Interfaces:
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4 Serial Communication Ports: Configurable as RS-232 or RS-485 for local device connections, sub-RTUs, or remote telemetry links.
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2 Ethernet Interfaces: 10/100Base-T (RJ45 ports) designated for LAN, HMI, and higher-level SCADA system integration.
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System Bus Connection: Interfaces directly with the RTU560 internal Serial Peripheral Bus (SPB) and system backplane via a standard 48-pole DIN socket connector.
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Form Factor: Modular design occupying two slots within an RTU560 rack assembly.
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Power Requirements: Operates on standard 24 VDC industrial control power.
Industrial Deployment
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Applications: Widely utilized in electrical power transmission and distribution substations, oil and gas networks, and large-scale infrastructure automation grids as the core data processing and routing hub for ABB RTU560 systems.
560CMU05
Product Overview
560CMU05 (Assembly part number 1KGT012700R0002) is a CMU Central Communication Unit, the core controller module for ABB RTU560 remote terminal unit platform. It serves as the main processing brain inside the RTU560 rack, responsible for local I/O data acquisition, event processing, internal bus management, and multi-protocol communication gateway functions between field equipment and upper SCADA/control center.
This module integrates real-time operating system, implements protocol conversion, telemetry data collection, sequence-of-event recording and time synchronization. Widely used in substation automation, power plant auxiliary monitoring, wind farm and industrial power distribution monitoring systems.
Technical Specifications
| Item | Parameter |
|---|---|
| Part Number | 560CMU05 (Order Code: 1KGT012700R0002) |
| Module Type | RTU560 Central Communication Unit (CMU) |
| Manufacturer | ABB |
| Processor | 32-bit high-speed real-time CPU |
| Memory | 128 MB RAM, 256 MB onboard non-volatile Flash |
| Ethernet Ports | 2 × 10/100 Base-T RJ45 |
| Serial Interfaces | 4 configurable serial ports (RS232 / RS422 / RS485) |
| Supported Protocols | IEC 60870-5-101/104, IEC 60870-5-103, Modbus RTU/TCP, DNP3, SNTP time sync |
| Internal Bus | RTU560 rack backplane bus for I/O modules |
| Power Supply | 24 VDC |
| Mounting Form | Standard plug-in module for RTU560 subrack |
| Operating Temperature | -20 ℃ ~ +60 ℃ |
| Ambient Humidity | 5%–95% non-condensing |
| Protection Class | IP20 (installed inside control cabinet) |
| Front Panel Indicators | Power, Run, Fault, TX/RX communication LEDs |
| Engineering Tool | RTU560 configuration software |
| Spare Part Status | OEM production discontinued; new surplus and refurbished units available |
Key Features
- Acts as RTU core controller, manages all local analog/digital I/O modules and processes field measurement data
- Built-in multi-protocol firmware, realizes bidirectional protocol conversion between field devices and central SCADA system
- Supports high-precision time stamping for SOE sequence-of-event recording, convenient for power system fault analysis
- Dual Ethernet interfaces support redundant network topology to improve communication reliability
- Continuous hardware self-diagnosis function, monitors module status, bus faults and communication link abnormalities
- Front panel LED indicators enable quick on-site troubleshooting of running status and communication failures
- Standard mechanical layout compatible with full series RTU560 racks, easy for spare replacement and system expansion
- Industrial anti-surge PCB design, stable operation under complex electromagnetic interference in substation environments
- Strict full part number verification required; different suffix variants (1KGT012700R0001 / 0002) cannot be directly interchanged without configuration verification

