描述

产品编号：3BSE018105R1

ABB 型号名称：PM861K01

目录说明：PM861K01 处理器单元套件

包装包括：

-PM861、CPU

-TP830、底板，宽度 =115mm

-TB850、CEX 总线端接器

-TB807、Modulebus 端接器

-TB852、RCU-Link 端接器 –

存储器备份电池 4943013-6

– 4位电源插头 3BSC840088R4

冗余模块是一种模块化、可靠性的系统组件，主要用于工业控制、自动化等领域，以确保系统的连续、可靠运行。冗余模块通常采用双工或N+1的备份方式，即一个或多个备份模块与主模块并行运行，当主模块出现故障时，备份模块可以立即接管，确保系统不受影响。http://www.wkfacai.com/

　　冗余模块有多种类型，包括电源冗余、CPU冗余、I/O冗余等。其中，CPU冗余是指将两个或多个处理器连接到一个共享存储器中，它们之间相互监测和协调，以确保系统的连续运行。I/O冗余是指对输入和输出信号进行冗余处理，以确保信号的稳定性和可靠性。

冗余模块的应用非常广泛，例如在电力、交通、石油化工等领域中，对安全性和可靠性要求较高的场合，都可以采用冗余模块来提高系统的可靠性和稳定性。

Product number: 3BSE018105R1

ABB model name: PM861K01

Catalog Description: PM861K01 Processor Unit Kit

The packaging includes:

-PM861, CPU

-TP830, bottom plate, width=115mm

-TB850, CEX bus terminator

-TB807, Modulebus Terminator

-TB852, RCU-Link Terminator-

Memory backup battery 4943013-6

-4-position power plug 3BSC840088R4

Redundant modules are modular and reliable system components mainly used in industrial control, automation, and other fields to ensure the continuous and reliable operation of the system. Redundant modules usually adopt a duplex or N+1 backup method, where one or more backup modules run in parallel with the main module. When the main module fails, the backup module can immediately take over to ensure that the system is not affected.

　　There are various types of redundant modules, including power redundancy, CPU redundancy, I/O redundancy, etc. Among them, CPU redundancy refers to connecting two or more processors to a shared memory, monitoring and coordinating with each other to ensure the continuous operation of the system. I/O redundancy refers to the redundant processing of input and output signals to ensure signal stability and reliability.

The application of redundant modules is very extensive, such as in the fields of power, transportation, petrochemicals, etc., where high safety and reliability requirements are required, redundant modules can be used to improve the reliability and stability of the system.
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