DSAO120AK01 3BSE020419R1 是ABB生产的模拟输入模块，它具备以下特性：

模块类型：该模块是模拟输入模块，用于将远程现场的模拟量信号采集至计算机 。

通信协议：支持标准Modbus RTU通讯协议，便于与工业现场数据采集系统对接 。

采集模式：支持电流或电压切换采集，内部跳线可切换采集模式 。

量程与组态：支持多种采集量程，与各类组态软件对接 。

供电电压范围：供电电压范围宽（-40~85°宽电压DC5~35V），支持导轨安装 。

信号采集：能够采集多种模拟量，如电压、电流、热电偶、热电阻、温度等，并通过485总线传输到电脑上 。

应用领域：广泛应用于工业自动化、控制系统和数据采集等领域，适用于连接温度传感器、压力传感器、流量传感器和液位传感器等，实时监测和记录设备或工艺的各种参数变化 

The DSAO120AK01 3BSE020419R1 is an ABB analog input module with the following features:

Module type: This module is an analog input module, which is used to collect the analog signal from the remote field to the computer.

Communication protocol: Support standard Modbus RTU communication protocol, easy to connect with industrial field data acquisition system.

Collection mode: Support current or voltage switching collection, internal jumper can switch collection mode.

Range and configuration: Support a variety of acquisition ranges, and docking with various configuration software.

Power supply voltage range: Wide power supply voltage range (-40~85° wide voltage DC5~35V), support guide rail installation.

Signal acquisition: It can collect a variety of analog quantities, such as voltage, current, thermocouple, thermal resistance, temperature, etc., and transmit to the computer through the 485 bus.

Application: Widely used in industrial automation, control systems and data acquisition and other fields, suitable for connecting temperature sensors, pressure sensors, flow sensors and level sensors, real-time monitoring and recording of various parameter changes of equipment or processes