描述
ABB TU843 3BSE021443R1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:TU843
订货号:3BSE021443R1
产品类型:终端单元
安装方式:垂直DIN导轨安装
重量:0.6kg
尺寸:宽131mm,深64mm,高186.5mm
技术参数
额定电压:50V
每I/O通道电流:3A
过程连接最大电流:10A
过程电源:20V(0V至20V)
线径要求:实心线0.2mm²至4mm²,绞线0.2mm²至2.5mm²(24-12awg)
介电测试电压:500V AC
工作温度范围:0℃至+55℃
存储温度范围:-40℃至+70℃
相对湿度:5%至95%,非冷凝
防护等级:IP20
认证:CE认证,符合EN 61131-2、EN 61000-6-4、EN 61000-6-2等标准,符合RoHS指令EN 50581:2012。
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。
信号连接与分配:作为无源单元,可将现场接线连接到I/O模块,还包含ModuleBus的一部分,能将ModuleBus分发到I/O模块端,然后分发到下一个MTU。
兼容性强:可与多种I/O模块配合使用,如DO840、AI845等。


The ABB TU843 3BSE021443R1 is a redundant modular terminal unit(MTU)for the ABB S800 I/O system.Below are the product details:
Basic Information
Model:TU843
Order Number:3BSE021443R1
Product Type:Terminal Unit
Mounting Method:Vertical DIN Rail
Weight:0.6kg
Dimensions:Width 131mm,Depth 64mm,Height 186.5mm
Technical Parameters
Rated Voltage:50V
Current per I/O Channel:3A
Maximum Process Connection Current:10A
Process Power Supply:20V(0V to 20V)
Wire Size Requirements:Solid Wire 0.2mm²to 4mm²,Stranded Wire 0.2mm²to 2.5mm²(24-12awg)
Dielectric Test Voltage:500V AC
Operating Temperature Range:0°C to+55°C
Storage Temperature Range:-40°C to+70°C
Relative Humidity:5%to 95%,non-condensing
Ingress Protection:IP20
Certification:CE certified,compliant with EN 61131-2,EN 61000-6-4,EN 61000-6-2,and RoHS Directive EN 50581:2012.
Features
Redundant I/O Support:Primarily designed for use with redundant I/O modules to ensure high system reliability and availability.
Signal Connection and Distribution:As a passive unit,it connects field wiring to I/O modules and also includes a portion of the ModuleBus,distributing ModuleBus signals to I/O modules and then to the next MTU.
Compatible:Compatible with a variety of I/O modules,such as the DO840 and AI845.
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