ThePM891K01 (3BSE053241R1)is a high-performance, monolithic processor unit from the ABB AC 800M series. Featuring a robust 450 MHz clock speed and substantial memory, it is designed for demanding industrial automation tasks that require high-speed deterministic control, extensive logic execution, and advanced communication expansion.
Technical Specifications
Manufacturer:ABB
Series:AC 800M
Model:PM891K01
Part Number:3BSE053241R1
Clock Frequency:450 MHz
Performance (1000 boolean ops):0.043 ms
Total RAM:256 MB
RAM (Available for Application):208.985 MB
Flash Memory:Yes
Interfaces:2x RJ45 Ethernet (CN1, CN2), 1x Isolated RJ45 Serial (COM4)
Dimensions:174mm (W) x 186mm (H) x 94mm (D)
Weight (Including Base):1600 g (3.5 lbs)
Key Functional Characteristics
Monolithic Design:An integrated unit featuring power supply, CPU, and unit termination, simplifying installation and reducing the component footprint.
Superior Processing Power:Operates at 450 MHz, delivering ultra-fast 0.043 ms boolean operation speeds for high-performance control loops.
Advanced Communication:Features a Communication Expansion Bus (CEX-Bus) to extend ports with communication interface units. Supports redundant communication interfaces for maximum network availability.
Scalable I/O:The optical ModuleBus supports the connection of up to seven clusters of S800 I/O (each holding up to 12 units), providing massive scalability.
Enhanced Diagnostics:Equipped with real-time clock, status LEDs, INIT push button, and a Secure Digital (SD) interface. Notably, this unit contains no internal batteries.
Unique Identification:Every PM891 is provided with a unique Ethernet address, ensuring distinct hardware identity for network management.
