描述
ABB TU846 3BSE022460R1是一款模块终端单元，作为ABB S800 I/O系统的关键组件，专为工业自动化控制系统设计，提供可靠的信号终端和灵活的配置选项，适用于电力、石化、化工等行业的复杂工业环境12。
1.产品概述与核心功能
基本定位：TU846是模块终端单元，专为S800 I/O系统设计，用于实现信号终端和分配，提高系统可靠性和维护效率
主要功能：
作为TB840/TB840A底座，支持AI845、DP840等模块的竖直安装，适用于需要灵活配置的工业控制场景
提供36种不同的机械配置组合，通过四个机械关键点（每个位置两个）为正确模块类型配置终端单元
支持Profibus DP通讯、可选冗余配置、可选HART通讯集成和可选防腐涂层，满足不同工业环境需求
实现可靠的信号终端，确保系统稳定性和数据完整性，特别适合关键控制应用
系统集成：与ABB S800 I/O系统无缝集成，通过标准现场总线与母控制器实现通讯，适用于ABB及其它供应商的各种过程控制器34
2.技术规格与物理参数
物理特性：
尺寸：200mm（紧凑型设计，适合空间有限的控制柜）
重量：20kg（便于安装和维护）
安装方式：竖直DIN导轨安装，便于在工业自动化系统中进行安装和集成
电气特性：
I/O电压：200V
输出频率：15Hz
处理速度：1200μs
程序容量：0.9
数据容量：12
工作温度范围：10℃（适应工业环境）
环境湿度：2%
通信特性：
支持Profibus DP通讯，通信速率：9.6kBit/s至12MBit/s
6个双色LED状态指示灯，电源故障继电器输出告警
电接口4000V的防雷，1.5A过流，600W浪涌保护
DC9-36V宽冗余双电源，DC1500V电源隔离，反接保护13
The ABB TU846 3BSE022460R1 is a modular terminal unit,a key component of the ABB S800 I/O system,designed specifically for industrial automation control systems.It provides reliable signal termination and flexible configuration options,suitable for complex industrial environments in sectors such as power,petrochemicals,and chemicals.<sup>12</sup>
1.Product Overview and Core Functions
Basic Positioning:The TU846 is a modular terminal unit designed specifically for S800 I/O systems to achieve signal termination and distribution,improving system reliability and maintenance efficiency.
Main Functions:
*As a base for the TB840/TB840A,it supports vertical installation of modules such as AI845 and DP840,suitable for industrial control scenarios requiring flexible configuration.
*Offers 36 different mechanical configuration combinations,configuring the terminal unit for the correct module type through four mechanical key points(two at each location).
*Supports Profibus DP communication,optional redundancy configuration,optional HART communication integration,and optional anti-corrosion coating to meet the needs of different industrial environments.
*Achieves reliable signal termination,ensuring system stability and data integrity,particularly suitable for critical control applications.
*System Integration:Seamlessly integrates with ABB S800 I/O systems,communicating with the master controller via a standard fieldbus,suitable for various process controllers from ABB and other suppliers.
2.Technical Specifications and Physical Parameters
Physical Characteristics:
Dimensions:200mm(compact design,suitable for control cabinets with limited space)
Weight:20kg(easy to install and maintain)
Mounting Method:Vertical DIN rail mounting,easy to install and integrate into industrial automation systems
Electrical Characteristics:
I/O Voltage:200V
Output Frequency:15Hz
Processing Speed:1200μs
Program Capacity:0.9
Data Capacity:12
Operating Temperature Range:10℃(suitable for industrial environments)
Ambient Humidity:2%
Communication Characteristics:
Supports Profibus DP communication,communication rate:9.6kBit/s to 12Mbit/s
6 dual-color LED status indicators,power failure relay output alarm
4000V surge protection for electrical interface,1.5A overcurrent protection,600W surge protection
DC9-36V wide redundancy dual power supply,DC1500V power isolation,reverse connection protection 13
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