描述
ABB TU851是ABB S800分布式I/O系统中的关键模块终止单元(MTU)，专为工业自动化控制设计，具有高可靠性、模块化结构和广泛行业适用性，是现代工业控制系统中不可或缺的组件。
1.产品概述与核心功能
基本定位：TU851是模块终止单元，作为ABB S800 I/O系统的重要组成部分，主要用于连接现场设备与控制系统，实现信号的采集、处理和传输
主要功能：
提供现场信号与工艺电源的物理连接点，支持传感器、执行器等现场设备的接入
作为模块总线的组成部分，为安装的I/O模块分配电源和通信信号
具备地址生成功能，通过将输出位置信号转移到下一个MTU，为I/O模块生成正确地址
支持非冗余I/O应用，适用于各类工业控制场景
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高效通信，适用于各种工业自动化控制场景
2.技术规格与物理参数
物理特性：
尺寸：高度110mm×宽度86.1mm×深度58.5mm（紧凑型设计，节省控制柜空间）
重量：0.24千克（0.53磅）（轻便设计，便于安装和维护）
安装方式：DIN导轨安装，带有锁定和接地的闩锁装置，支持垂直或水平安装
电气特性：
电源输入：24 V DC（标准工业电压）
输入电压范围：”0″-30+5伏，”1″15..30伏
输入阻抗：3.5 kΩ
额定绝缘电压：50 V
介电测试电压：500 V
功耗：典型值2.2 W
电流消耗：+5V模块总线70mA
The ABB TU851 is a key Module Termination Unit(MTU)in the ABB S800 distributed I/O system,specifically designed for industrial automation control.It features high reliability,a modular structure,and broad industry applicability,making it an indispensable component of modern industrial control systems.
1.Product Overview and Core Functions
Basic Positioning:The TU851 is a module termination unit.As an important component of the ABB S800 I/O system,it is primarily used to connect field devices to the control system,enabling signal acquisition,processing,and transmission.
Main Functions:
*Provides physical connection points for field signals and process power,supporting the access of field devices such as sensors and actuators.
*As part of the module bus,it distributes power and communication signals to the installed I/O modules.
*Possesses address generation capabilities,generating the correct address for the I/O module by transferring the output position signal to the next MTU.
*Supports non-redundant I/O applications,suitable for various industrial control scenarios.
*System Integration:Seamlessly integrates with the ABB S800 I/O system,achieving efficient communication with the master controller via a standard fieldbus,suitable for various industrial automation control scenarios.
2.Technical Specifications and Physical Parameters
Physical Characteristics:
Dimensions:Height 110mm×Width 86.1mm×Depth 58.5mm(Compact design,saving control cabinet space)
Weight:0.24 kg(0.53 lbs)(Lightweight design for easy installation and maintenance)
Mounting:DIN rail mounting with locking and grounding latches,supports vertical or horizontal installation
Electrical Characteristics:
Power Input:24 V DC(Standard Industrial Voltage)
Input Voltage Range:”0″-30+5V,”1″15..30V
Input Impedance:3.5 kΩ
Rated Insulation Voltage:50 V
Dielectric Test Voltage:500 V
Power Consumption:Typical 2.2 W
Current Consumption:+5V Module Bus 70mA
ABB Model: GBU72 3BHE055094R0002 Model: 3BHE055094R0002 GBU72 Model: GBU72 Model: 3BHE055094R0002 Model: 3BHE031197R0001 Model: 3BHB030310R0001 Model: 73BHE055094R0002 GBU72 Model: 73BHE055094R0002 Model: GBU72 Model: ABB PCS6000 PRODUCT FAMLIY ABB 5SHY4045L0006 3BHB030310R0001 3BHE039203R0101 GVC736CE101
