PM891K01 3BSE053241R1 | ABB processor unit

Description

Summary:
ABB PM891K01 3BSE053241R1 processor unit is an important component of the System 800xA distributed control system and belongs to the AC 800M control series. It is a high-performance redundant central processing unit suitable for complex industrial application scenarios such as oil and gas, power generation, and chemical processing.
Hardware parameters:
·Processor: Equipped with a 450MHz MPC8270 or Freescale PowerQUICC III MPC8641 processor, it has powerful processing capabilities and can meet complex control tasks.
·Memory: The total memory is 256MB, of which 208.985MB can be used for application programs, and there is also 512MB of flash memory that can store programs and data.
·Communication ports: There are two RJ45 Ethernet ports (CN1, CN2) for connecting to the control network, supporting 10/100Mbit/s Ethernet communication; One RJ45 isolated serial port (COM4) for configuration tools; In addition, there are 2 RS-232/485 interfaces.
·Power supply: Typically a 24V DC power supply.
·Dimensions: length 280mm, width 245mm, height 105mm.
·Weight: 2.1kg.
·Functional features:
·Redundancy design: Supports CPU redundancy, with two PM891 controllers forming a redundant pair, one primary and one backup, to improve system availability.
·Diagnostic function: It has advanced diagnostic and troubleshooting functions, including comprehensive event logging and built-in web servers, which are easy to access and monitor remotely, and can quickly locate and solve problems.