描述
ABB TU811
基本信息：是ABB S800 I/O系统的模块终止单元（MTU），型号为3BSE008526R1，重量约0.2kg。
技术参数：通道数量为8通道，工作电压为250V，最大电流per I/O通道为3A，可接受的电线尺寸为实心0.2-4mm²、绞合0.2-2.5mm²（24-12awg），推荐扭矩为0.5-0.6Nm，介电测试电压为2000V a.c.。工作温度为0℃至+55℃，存储温度为-40℃至+70℃，污染等级为2级，防护等级为IP20。
功能特点：具有三排端子，用于连接现场信号和过程电源，可将模块总线信号分配给I/O模块和下一个MTU，并通过移位输出位置信号生成正确的I/O模块地址。配备机械键配置功能，可防止插入错误的I/O模块，支持DIN导轨安装。
ABB TU811
Basic Information:This is a Module Termination Unit(MTU)for the ABB S800 I/O system,model number 3BSE008526R1,weighing approximately 0.2 kg.
Technical Specifications:It has 8 channels,a working voltage of 250V,a maximum current per I/O channel of 3A,and accepts solid wire sizes of 0.2–4 mm²and stranded wire sizes of 0.2–2.5 mm²(24–12 AWG).The recommended tightening torque is 0.5–0.6 Nm,and the dielectric test voltage is 2000V AC.The operating temperature range is 0°C to+55°C,the storage temperature range is-40°C to+70°C,the pollution degree is 2,and the protection level is IP20.
Features:It features three rows of terminals for connecting field signals and process power.It distributes the module bus signals to the I/O modules and the next MTU,and generates the correct I/O module address through shift output position signals.It has a mechanical keying system to prevent incorrect I/O module insertion and supports DIN rail mounting.
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