ABB PM891K01 3BSE053241R1
PM891K01 3BSE053241R1 is a high-performance central processing unit (CPU) from ABB. The following are its partial parameters:
Hardware Parameters
- Clock Frequency: 450 MHz.
- Memory: Total memory of 256 MB, including 208.985 MB RAM available for applications, with flash memory for storage.
- Dimensions: 280 mm (length) × 245 mm (width) × 105 mm (height).
- Weight: 2.1 kg.
Performance Parameters
- Operation Speed: It takes only 0.043 milliseconds to process 1,000 Boolean operations.
Communication Parameters
- Ethernet Ports: Equipped with two RJ45 Ethernet ports (CN1, CN2), supporting redundant Ethernet communication for connecting to control networks.
- Serial Port: One RJ45 serial port (COM4), which is isolated and used for configuration tools.
- Communication Protocols: Supports multiple protocols such as Ethernet, Profibus, and Modbus, enabling communication with various I/O modules and other devices.
Other Parameters
- Redundancy Function: Supports CPU redundancy to improve system availability. Typically, two PM891 controllers work as a redundant pair, with one as the primary controller and the other as the standby.
- Protection Level: IP20 protection class, no enclosure required.
- Certification: The controller has EMC (Electromagnetic Compatibility) certification.
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