Featuring flexible expandability with 10 standard slots, high-quality manufacturing processes and excellent environmental adaptability, this product is widely used in complex industrial scenarios such as manufacturing production lines and energy management. As a key basic component for building efficient and stable industrial automation control systems, it is perfectly compatible with relevant ABB control modules, enabling efficient data interaction and collaboration between modules to ensure the stable operation of the entire control system.
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| Parameter | Specification |
|---|---|
| Number of Slots | 10 standard slots, supporting flexible expansion of compatible modules |
| Physical Dimensions (W×H×D) | 470.7 mm × 84.6 mm × 245.7 mm |
| Net Weight | 3 kg (without installed modules) |
| Power Supply | Compatible with ABB AC800M series power supply modules; 24V DC (operating range: 19.2–30V DC, consistent with matching modules) |
| Operating Temperature | Industrial‑grade standard, suitable for general industrial sites (-10℃ ~ 60℃, reference to ABB similar backplane products) |
| Protection Rating | IP20 (enclosure‑free design, for indoor installation in control cabinets, protection against solid foreign objects) |
| Material | High‑quality industrial‑grade steel with special surface treatment, excellent corrosion resistance and mechanical strength |
| Signal Transmission | Supports high‑speed signal transmission between modules; ensures stable I/O and control signal interaction with no noticeable delay |

Core Features & Advantages
- Flexible Expansion CapacityEquipped with 10 standard slots, supporting the installation and expansion of up to 10 compatible modules simultaneously. Users can flexibly configure PLC CPU modules, I/O modules, communication modules and others according to actual control demands without additional back panels, greatly improving system configuration flexibility and cost-effectiveness to suit automation control systems of various scales.
- Excellent Stability & ReliabilityConstructed with high‑grade industrial‑grade materials and rigorously tested for industrial environments. It features superior anti‑interference, anti‑vibration and temperature resistance, enabling long‑term stable operation in harsh industrial conditions, effectively reducing equipment failure rates and ensuring control system continuity. Optimized circuit design guarantees stable signal transmission between modules, minimizing data loss or transmission delay and enhancing control accuracy.
- Compact Design for Easy Installation & MaintenanceAdopts a compact structure with optimized dimensions(W×H×D: 470.7 × 84.6 × 245.7 mm) and a weight of only 3 kg. It saves mounting space inside the control cabinet and facilitates on‑site installation, removal and later maintenance. Modules are installed via standardized clip‑on design, allowing quick plug‑and‑play operation, reducing maintenance costs and downtime.
- Superior Heat Dissipation PerformanceOptimized thermal management structure effectively dissipates heat generated during module operation, preventing performance degradation or damage caused by overheating. It ensures the back panel and installed modules maintain efficient and stable operation under various working conditions, adapting to temperature fluctuations in industrial sites.
- Industrial Standard Compliance & High CompatibilityFully compliant with ABB’s unified design standards for industrial automation products, enabling seamless compatibility with ABB AC800M series and related modules without extra adaptation or debugging, allowing quick integration into existing control systems. It also meets relevant industrial safety and technical standards, ensuring product universality and interchangeability, and lowering costs for system upgrade and retrofitting.

Compatible Modules
- Processor modules such as the PM856AK01 series (Order No.: 3BSE066490R1, etc.)
- Various digital I/O modules and analog I/O modules
- Communication expansion modules (e.g., modules supporting Profibus DP, Ethernet and other protocols)
- Power supply modules and other auxiliary function modules.
Applications
- Manufacturing: Automated production line control, smart manufacturing equipment, assembly line control systems. It provides a stable installation and connection foundation for various control modules, ensuring continuous and efficient operation of production processes.
- Energy Sector: Power system control, energy management equipment, new energy (photovoltaic, wind power) control systems. It adapts to harsh industrial environments and guarantees stable and precise energy control.
- Other Industrial Scenarios: Automation control systems in metallurgy, chemical, building materials and other industries. Modules can be flexibly configured according to different industry control requirements to build personalized control solutions suitable for complex industrial field environments.
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