Introduction to ABB PM864AK01 3BSE018161R1
The ABB PM864AK01 (order number: 3BSE018161R1) is a high-performance central processing unit (CPU) module, recognized as the “intelligent core” of ABB AC 800M and 800xA distributed control systems (DCS). As a flagship processor in the AC 800M series, it adopts a dual-core PowerPC architecture with 1.2 GHz operating frequency, delivering 18K DMIPS computing power to handle complex industrial control tasks such as process regulation, motion control, and multi-device coordination. This module is widely applied in key industries including petrochemicals, power generation, metallurgy, and water treatment, serving as the core control unit for reactor systems, automated production lines, and energy management platforms. Its robust design supports CPU redundancy configuration with switchover time less than 10ms, ensuring uninterrupted system operation, while the built-in error detection and correction (EDAC) technology enhances data reliability.
3BSE018161R1 Key Technical Specifications
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Device Type: High-performance CPU module for AC 800M/800xA distributed control systems
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Processor Architecture: Dual-core PowerPC; operating frequency 1.2 GHz; computing power 18K DMIPS
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Memory Configuration: 256 MB RAM (with EDAC); 128 MB Flash; 16 KB EEPROM for configuration storage
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Control Performance: Minimum task cycle ≤ 1 ms; SOE (Sequence of Events) resolution < 1 ms
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Expansion Capability: Supports up to 12 S800 I/O modules via ModuleBus; maximum 192 I/O points
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Power Supply: 24V DC (nominal); input range 18-36V DC; typical power consumption ≤ 30W
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Communication Interface: 2 redundant Ethernet ports (10/100/1000 Mbps); 2 RS-232C serial ports; supports PROFINET, Modbus TCP
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Redundancy Feature: CPU redundancy support; automatic switchover time < 10 ms
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Operating Environment: Temperature -25°C to +70°C; humidity 5-95% (non-condensing); storage temp -40°C to +85°C
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Physical Specifications: 100mm × 160mm × 220mm; weight ~2.8kg; rack-mounted (compatible with AC 800M chassis)
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Protection Features: Overcurrent, overvoltage protection; supercapacitor backup (8-year lifespan); watchdog timer
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Certifications: CE, UL compliant; RoHS certified; meets IEC 61131-2 and IEC 61508 SIL 2 standards
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