ABB的PM858K02（3BSE082896R1）是一款交流CPU控制器，属于AC 800M控制器系列，并用于DCS（分布式控制系统）中。

一、基本概述

型号：PM858K02

订货编号：3BSE082896R1

品牌：ABB

用途：系统控制

系列：AC 800M控制器系列，DCS系统

二、硬件特性

CPU板：包含微处理器和RAM存储器、实时时钟、LED指示灯、INIT按钮和CompactFlash接口。

底板接口：

两个RJ45以太网端口（CN1、CN2）：用于连接控制网络。

两个RJ45串行端口（COM3、COM4）：其中一个（COM3）是带有调制解调器控制信号的RS-232C端口，另一个（COM4）是隔离的，用于连接配置工具。

电源：24伏直流电（19.2~30伏直流电），功耗+24V典型值为210/360毫安，功耗典型值为5.1瓦（8.6瓦）。内置备用电池，3.6V。

三、功能与特性

支持CPU冗余：提高系统的可用性，包括CPU、CEX-Bus、通信接口和S800 I/O。

模块化设计：允许逐步扩展，便于系统升级和维护。

通信能力：内置冗余以太网通信端口，支持多种通信协议，如MMS（制造消息服务）和IAC（应用间通信）。推荐的控制网络骨干网为100Mbit/s交换以太网。

时钟同步：通过CNCP协议，AC 800M控制器之间可实现1ms的时钟同步。

其他特性：具有IP20等级保护，无需额外外壳；具有完整的EMC认证；ISA Secure认证；可靠性和简单的故障诊断程序。

四、性能指标

时钟频率：33兆赫。

表现：0.36毫秒（1000个布尔运算）。

内存：16MB RAM，其中7.147MB可用于应用程序。Flash PROM为4MB，用于固件存储。

切换时间：红色配置下为10毫秒。

应用程序数量：每个控制器最多32个。

程序数：每个应用程序最多64个。

图表数量：每个应用程序最多128个。

任务数：每个控制器最多32个。

不同循环时间的数量：32个。

周期时间：每个应用程序的周期时间低至1毫秒。

五、应用场景

该控制器适用于各种工业自动化场景，特别是需要高可靠性和冗余配置的场合。其强大的通信能力和模块化设计使得它成为分布式控制系统中的理想选择。

ABB's PM858K02 (3BSE082896R1) is an AC CPU controller belonging to the AC 800M controller series and used in DCS (Distributed Control System).

1、 Basic Overview

Model: PM858K02

Order number: 3BSE082896R1

Brand: ABB

Purpose: System control

Series: AC 800M Controller Series, DCS System

2、 Hardware Features

CPU board: includes microprocessor and RAM memory, real-time clock, LED indicator lights, Initiat button, and CompactFlash interface.

Bottom board interface:

Two RJ45 Ethernet ports (CN1, CN2): used for connecting control networks.

Two RJ45 serial ports (COM3, COM4): one (COM3) is an RS-232C port with modem control signals, and the other (COM4) is isolated and used to connect configuration tools.

Power supply: 24V DC (19.2-30V DC), power consumption+24V, typical value is 210/360mAh, power consumption typical value is 5.1 watts (8.6 watts). Built in backup battery, 3.6V.

3、 Function and Features

Support CPU redundancy: Improve system availability, including CPU, CEX Bus, communication interfaces, and S800 I/O.

Modular design: allows for gradual expansion, facilitating system upgrades and maintenance.

Communication capability: Built in redundant Ethernet communication ports, supporting multiple communication protocols such as MMS (Manufacturing Message Service) and IAC (Inter Application Communication). The recommended control network backbone is 100Mbit/s switched Ethernet.

Clock synchronization: Through the CNCP protocol, 1ms clock synchronization can be achieved between AC 800M controllers.

Other features: It has IP20 level protection and does not require additional casing; Having complete EMC certification; ISA Secure authentication; Reliable and simple fault diagnosis procedures.

4、 Performance indicators

Clock frequency: 33 megahertz.

Performance: 0.36 milliseconds (1000 Boolean operations).

Memory: 16MB RAM, of which 7.147MB is available for application programs. The Flash PROM is 4MB and is used for firmware storage.

Switching time: 10 milliseconds in red configuration.

Number of applications: Up to 32 per controller.

Number of Programs: Each application can have a maximum of 64 programs.

Number of charts: Up to 128 per application.

Task count: Each controller can handle up to 32 tasks.

Number of different cycle times: 32.

Cycle time: The cycle time for each application is as low as 1 millisecond.

5、 Application scenarios

This controller is suitable for various industrial automation scenarios, especially those that require high reliability and redundant configuration. Its powerful communication capabilities and modular design make it an ideal choice in distributed control systems.

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