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Phone: +86 16626708626Description
Real-World Use & Application Scenarios
The ABB SM811K01 3BSE018173R1 is a high-integrity safety CPU module widely used in safety-critical industrial automation systems. This module is critical in sectors such as power generation, chemical processing, oil and gas, and manufacturing plants where safety instrumented systems (SIS) demand reliable, certified control to mitigate hazards. It’s particularly important in environments requiring SIL 3 (Safety Integrity Level 3) certification, such as emergency shutdown (ESD) systems, burner management, and vibration monitoring.
In real-world applications, the ABB SM811K01 3BSE018173R1 works alongside standard controllers like the PM865 within diverse safety architectures to supervise control logic and ensure fail-safe operation. It is designed for use in systems where redundancy, fault detection, and online upgrade capabilities are essential for maintaining continuous operation and safety compliance. Applicable in control systems where high availability and stringent safety standards coexist, it plays a crucial role in preventing accidents and protecting personnel and equipment.
Product Introduction & Positioning
The ABB SM811K01 3BSE018173R1 is a safety CPU module designed to operate in concert with ABB’s industrial controllers to provide intelligent supervision during safety-related operations. This unit forms part of ABB’s System 800xA and 800M families, enabling 1oo2 diversity configurations that achieve high safety integrity according to international standards.
Positioned as a dedicated safety processor, the SM811K01 collaborates with the PM865 controller via the CEX bus, connected through a BC810 interconnection box. It handles SIL1-2 control while providing the diverse logic necessary for SIL3 applications, offering robust real-time synchronization and fault monitoring capabilities. The module supports hot swapping and online upgrades without interrupting operations, underlining its value in high availability industrial systems.
System integrators value it for its compliance with strict safety standards, ease of integration into existing systems, and ability to reduce complexity in safety logic design.
Key Technical Features & Functional Benefits
Powered by a MPC862P microprocessor running at 96 MHz and equipped with 32 MB RAM, the ABB SM811K01 3BSE018173R1 ensures rapid and reliable safety logic processing. It includes overvoltage and internal voltage monitoring to safeguard system integrity and prevent hardware failures.
The module supports hot swapping and synchronization links for seamless switching between active and redundant CPUs, enabling zero downtime during maintenance or upgrades. Its dedicated digital input/output connector provides three safety-related digital inputs and two digital outputs, all strictly separated from process I/O to maintain safety boundaries.
Certified for SIL 3, this CPU module provides the highest industrial safety performance, making it suitable for systems demanding rigorous fault tolerance and reliability. Its compact design and light weight (approximately 0.8 kg) facilitate easy integration into automated control racks.
Detailed Technical Specifications
| Parameter | Value |
|---|---|
| Model | SM811K01 3BSE018173R1 |
| Brand | ABB |
| Product Type | Safety CPU Module |
| Processor | MPC862P, 96 MHz |
| RAM Memory | 32 MB |
| Communication | CEX Bus via BC810 interconnection box |
| Safety Certification | SIL 3 |
| Digital Inputs/Outputs | 3 Safety Inputs, 2 Safety Outputs |
| Hot Swap Support | Yes |
| Synchronization Link | For redundant CPU synchronization |
| Operating Temperature Range | 0°C to +55°C |
| Storage Temperature Range | -25°C to +70°C |
| Protection Class | IP20 |
| Dimensions (L x W x H) | 160 mm x 160 mm x 120 mm |
| Weight | Approximately 0.8 kg |
- SM811K01 32SE018173R1
Related Modules or Compatible Units
PM865 – Process controller module that pairs with SM811K01 for diverse SIL 3 safety architecture.
BC810 – CEX bus interconnection box facilitating communication between SM811 and PM865.
TP868 – Baseplate module designed for mounting and connectivity of safety CPUs.
TK852V10 – Synchronization link cable for redundant safety CPU synchronization.
SM812K01 – Newer safety CPU module recommended for new installations with enhanced features.
BMS611B06 – Circuit protection module ensuring electrical safety in the control rack.
Installation Notes & Maintenance Best Practices
The ABB SM811K01 3BSE018173R1 should be installed in a clean, vibration-free environment within standard control cabinets. Ensure secure mounting on baseplates such as TP868 and proper connection to the BC810 CEX bus interconnection box for system communication. Precautions regarding electromagnetic interference and grounding practices are essential to maintain signal integrity.
Maintenance procedures include regular inspection of LED indicators for status and fault detection and performing diagnostics following ABB’s safety manual. The module supports hot-swapping and online upgrades, enabling maintenance without disrupting operations, critical in safety applications. Compliance with local safety qualifications and thorough configuration per ABB’s Safety Manual will ensure system certification integrity.
