### ABB PM891K01 中央处理器单元

#### 产品概述

ABB PM891K01 是一款高性能冗余中央处理器单元，属于 ABB Ability™ System 800xA® 分布式控制系统。它专为满足石油和天然气、发电、化工等行业的复杂控制和自动化需求而设计。

#### 技术规格

- **处理器**：高性能多核处理器，主频450MHz。

- **内存**：256MB RAM。

- **通信接口**：

  - 2个RJ45以太网端口（CN1、CN2）。

  - 1个RJ45串行端口（COM4，用于配置工具）。

- **扩展总线**：通信扩展总线（CEX总线），支持连接多个扩展模块。

- **I/O连接**：通过Optical Modulebus连接器，可连接最多七个集群的S800 I/O单元，每个单元最多包含12个模块。

- **防护等级**：IP20。

- **工作温度**：-20°C至+60°C。

- **冗余功能**：支持CPU冗余、通信冗余及电源冗余。

- **重量**：约3.0公斤。

#### 核心特点

- **高性能处理能力**：配备多核处理器和大容量RAM，可同时处理多任务并快速处理海量数据，确保实时控制与复杂运算的高效执行。

- **冗余架构设计**：支持CPU冗余、通信冗余及电源冗余，主处理器故障时备用处理器可无缝接管，保障系统连续运行。

- **灵活扩展与通信能力**：支持多种通信接口和扩展总线，可连接扩展模块及第三方设备，兼容Modbus、Profibus等协议。

- **高安全性与可靠性**：内置实时时钟、LED指示灯、INIT按钮及安全数字接口，具备短路保护、故障自诊断及SIL 1认证。

#### 应用场景

- **流程工业控制**：如化工、石油、天然气等行业的连续生产过程控制。

- **电力与能源管理**：发电厂、变电站的自动化控制与监控。

- **基础设施**：水处理、污水处理、轨道交通等领域的自动化系统。

- **复杂机械控制**：如造纸、冶金等行业的生产线控制。

ABB PM891K01 中央处理器单元凭借其高性能、多功能和高可靠性，成为工业自动化和控制系统中的重要组件。

###ABB PM891K01 Central Processing Unit

####Product Overview

ABB PM891K01 is a high-performance redundant central processing unit belonging to ABB Ability ™  System 800xA ®  Distributed control system. It is designed to meet the complex control and automation needs of industries such as oil and gas, power generation, and chemical.

####Technical specifications

-* * Processor * *: High performance multi-core processor with a clock speed of 450MHz.

-* * Memory * *: 256MB RAM.

-* * Communication interface * *:

-Two RJ45 Ethernet ports (CN1, CN2).

-1 RJ45 serial port (COM4, used for configuration tools).

-Expansion Bus: Communication Expansion Bus (CEX Bus), supporting the connection of multiple expansion modules.

-I/O Connection: Through the Optical Modular Bus connector, up to seven clusters of S800 I/O units can be connected, with each unit containing up to 12 modules.

-Protection level: IP20.

-Working temperature: -20 ° C to+60 ° C.

-* * Redundancy Function * *: Supports CPU redundancy, communication redundancy, and power redundancy.

-Weight: Approximately 3.0 kilograms.

####Core Features

-* * High performance processing capability * *: Equipped with multi-core processors and large capacity RAM, it can simultaneously handle multiple tasks and quickly process massive amounts of data, ensuring efficient execution of real-time control and complex operations.

-* * Redundant architecture design * *: Supports CPU redundancy, communication redundancy, and power redundancy. In the event of a main processor failure, the backup processor can seamlessly take over to ensure the continuous operation of the system.

-Flexible Expansion and Communication Capability: Supports multiple communication interfaces and expansion buses, can connect expansion modules and third-party devices, compatible with protocols such as Modbus and Profibus.

-* * High safety and reliability * *: Built in real-time clock, LED indicator light, Initiat button and safety digital interface, with short circuit protection, fault self diagnosis and SIL 1 certification.

####Application scenarios

-Process industry control: Continuous production process control in industries such as chemical, petroleum, and natural gas.

-Power and Energy Management: Automated Control and Monitoring of Power Plants and Substations.

-Infrastructure: Automated systems in fields such as water treatment, sewage treatment, and rail transit.

-* * Complex mechanical control * *: Production line control in industries such as papermaking and metallurgy.

The ABB PM891K01 central processing unit has become an important component in industrial automation and control systems due to its high performance, versatility, and high reliability.

ABB UAD149A0011 3BHE014135R0011
ABB PM891K01  3BSE053241R1  
PPD117A3011 3BHE030410R3011   
5SHY3545L0014 3BHE023784R0001