描述
ABB TU840 3BSE020846R1是一款终端单元(MTU)，作为ABB S800 I/O系统的核心组件，专为工业自动化控制系统设计，提供8通道信号处理能力，支持250V隔离电压，适用于电力、石化、钢铁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：作为模块式终端单元(MTU)，TU840 3BSE020846R1是ABB S800 I/O系统的关键组件，用于承载和管理I/O模块，实现工业自动化设备的信号连接与处理
主要功能：提供8通道I/O处理能力，每个通道支持最大250V隔离电压和3A电流，确保在高电压环境中的安全可靠运行
扩展能力：作为冗余TB840/TB840A底座，专为冗余I/O配置设计，可与其他S800 I/O模块组合使用，灵活扩展系统I/O容量
信号处理：支持电压、电流、电阻和电位器信号等多种输入信号类型，以及电压和电流输出信号，满足复杂工业现场的信号处理需求
安全特性：具有8×1 fused isolated signals（8路保险丝隔离信号）和8 x 1 L terminals（8路L端子），以及2 x 6 N terminals（2组6路N端子），确保信号隔离和系统安全23
2.技术规格与物理参数
物理特性：
尺寸：紧凑型设计，适合空间有限的控制柜
重量：0.261Kg（轻量化设计，便于安装和维护）
防护等级：IP20（适用于控制柜内环境）
安装方式：DIN导轨安装，支持35mm标准导轨，便于快速部署
电气特性：
工作电压：12～220V（适应多种工业电压环境）
输出频率：50～60kHz（高频率响应，确保信号处理精度）
额定隔离电压：250V（确保在高电压环境中的安全隔离）
最大额定电流：3A（满足大多数工业传感器和执行器的需求）
工作温度范围：-40°C至+70°C（适应极端工业环境）
存储温度范围：-40°C至+85°C（确保长期存储稳定性）
抗振性：5g（10 Hz至150 Hz）（适应振动环境）
.
The ABB TU840 3BSE020846R1 is a terminal unit(MTU)and a core component of the ABB S800 I/O system.Designed specifically for industrial automation control systems,it provides 8 channels of signal processing,supports 250V isolation voltage,and is suitable for complex industrial environments in industries such as power,petrochemicals,and steel.<sup>12</sup>
1.Product Overview and Core Functions
Basic Positioning:As a Modular Terminal Unit(MTU),the TU840 3BSE020846R1 is a key component of the ABB S800 I/O system,used to host and manage I/O modules,enabling signal connection and processing for industrial automation equipment.
Main Functions:Provides 8-channel I/O processing capability,each channel supporting a maximum isolation voltage of 250V and a current of 3A,ensuring safe and reliable operation in high-voltage environments.
Expansion Capabilities:As a redundant TB840/TB840A base,it is designed specifically for redundant I/O configurations and can be combined with other S800 I/O modules to flexibly expand the system’s I/O capacity.
Signal Processing:Supports various input signal types such as voltage,current,resistance,and potentiometer signals,as well as voltage and current output signals,meeting the signal processing needs of complex industrial environments.
Safety Features:Features 8×1 fused isolated signals and 8 x 1 L terminals,as well as 2 x 6 N terminals,ensuring signal isolation and system safety.
2.Technical Specifications and Physical Parameters
Physical Characteristics:
Dimensions:Compact design,suitable for control cabinets with limited space.
Weight:0.261Kg(Lightweight design for easy installation and maintenance)
Protection Rating:IP20(Suitable for control cabinet environments)
Mounting Method:DIN rail mounting,supports 35mm standard rails for quick deployment.
Electrical Characteristics:
Operating Voltage:12～220V(Suitable for various industrial voltage environments)
Output Frequency:50～60kHz(High frequency response ensures signal processing accuracy)
Rated Isolation Voltage:250V(Ensuring safe isolation in high-voltage environments)
Maximum Rated Current:3A(Meets the needs of most industrial sensors and actuators)
Operating Temperature Range:-40°C to+70°C(Suitable for extreme industrial environments)
Storage Temperature Range:-40°C to+85°C(Ensuring long-term storage stability)
Vibration Resistance:5g(10 Hz to 150 Hz)(Suitable for vibration environments)
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