描述
ABB TU842 3BSE020850R1是用于ABB S800 I/O系统的冗余模块终端单元（MTU）。以下是其产品详情：
基本信息
型号：TU842
订货号：3BSE020850R1
产品类型：模块终端单元
尺寸：宽124mm，深64mm，高186.5mm
重量：0.66kg
安装方式：水平DIN导轨安装
技术参数
额定电压：50V
通道数：最多16个I/O通道，每个通道有2个I/O连接和1个ZP连接，支持4个过程电压连接（2+2）。
最大额定电流：每通道3A
功能特点
支持冗余I/O：主要用于与冗余I/O配合使用，确保系统的高可靠性和可用性，适用于对可靠性要求较高的工业自动化场景。
兼容多种模块：可支持AO845、DI840、DO840等模块的水平安装，具有较好的兼容性。
机械键配置：通过四个机械键（每个I/O模块两个）为不同类型的I/O模块配置MTU，总共有36种不同的配置，这种机械配置不影响MTU或I/O模块的功能。
智能诊断与维护：内置智能诊断功能，能够实时监测模块的工作状态，预警潜在故障，并通过ABB的维护工具提供远程故障排查和修复指导，降低维护成本和停机时间。
应用领域
广泛应用于制造业、过程工业、能源与基础设施等领域，特别是在需要高度集成、灵活扩展和智能管理的自动化系统中表现出色。
The ABB TU842 3BSE020850R1 is a redundant modular terminal unit(MTU)for the ABB S800 I/O system.Product details are as follows:
Basic Information
Model:TU842
Order Number:3BSE020850R1
Product Type:Modular Terminal Unit
Dimensions:Width 124mm,Depth 64mm,Height 186.5mm
Weight:0.66kg
Mounting Method:Horizontal DIN rail
Technical Parameters
Rated Voltage:50V
Number of Channels:Up to 16 I/O channels,each with 2 I/O connections and 1 ZP connection,supporting 4 process voltage connections(2+2).
Maximum Rated Current:3A per channel
Features
Supports Redundant I/O:Primarily designed for use with redundant I/O to ensure high system reliability and availability.Suitable for industrial automation scenarios requiring high reliability.Compatible with a variety of modules:Supports horizontal installation of modules such as the AO845,DI840,and DO840,ensuring excellent compatibility.
Mechanical key configuration:Four mechanical keys(two per I/O module)allow you to configure the MTU for different I/O module types,for a total of 36 different configurations.This mechanical configuration does not affect the functionality of the MTU or I/O modules.
Intelligent diagnostics and maintenance:Built-in intelligent diagnostics monitor module operating status in real time,providing early warning of potential failures.ABB maintenance tools also provide remote troubleshooting and repair guidance,reducing maintenance costs and downtime.
Applications:Widely used in manufacturing,process industries,energy,and infrastructure,the system excels in automation systems requiring high levels of integration,flexible expansion,and intelligent management.
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