AI801 模拟输入模块

AI801是一款模拟输入模块

通道数与输入类型：

AI801具有8个通道，可以接收0…20mA、4…20mA dc的单端单极性输入。

每个通道可以是电压或电流输入，电压输入能够处理0...10V或2...10V直流单端单极输入。

分辨率与保护：

该模块具有12位分辨率。

输入分流电阻通过PTC电阻保护至30V，模拟输入短路保护至ZP或+24V。

AI801电流输入能够承受至少30V直流电压的变送器电源短路而不会损坏，电压输入能够承受至少30V直流电压的过压或欠压。

AI801 其他电气参数：

输入阻抗在电流输入（包括PTC）时为230 – 275 kΩ，电压输入的输入电阻为290k欧姆。

额定绝缘电压为50V，而介电测试电压为500伏交流电。

最大现场电缆长度可达600米（656码）。

物理特性：

AI801模块设计紧凑，便于安装和配置，可以与ABB Advant主控制系统中的其他模块和设备集成。

AI801 应用与可靠性：

AI801模块具有高度的精度和可靠性，适用于各种苛刻的工业环境，如温度和压力监测、液位传感和流量测量等应用。

它还具备内置的诊断功能，可以检测输入信号中的故障以及模块本身的故障，为故障排除提供有用的信息。

The AI801 is an analog input module

Number of channels and input type:

The AI801 has 8 channels and can receive 0... 20mA, 4... 20mA dc single-ended unipolar input.

Each channel can be a voltage or current input, and the voltage input can handle 0... 10V or 2... 10V DC single-ended single-pole input.

Resolution and protection:

The module has a 12-bit resolution.

The input shunt resistance is protected to 30V by PTC resistance, and the analog input is short-circuited to ZP or +24V.

The AI801 current input can withstand a short circuit of the transmitter power supply at a minimum of 30V DC without damage, and the voltage

 input can withstand overvoltage or undervoltage at a minimum of 30V DC.

AI801 Other electrical parameters:

The input impedance ranges from 230 to 275 kω for current inputs (including PTC), and the input resistance for voltage inputs is 290k ohms.

The rated insulation voltage is 50V, while the dielectric test voltage is 500 volts AC.

The maximum field cable length is 600 meters (656 yards).

Physical characteristics:

The AI801 module is compact, easy to install and configure, and can be integrated with other modules and devices in the ABB Advant master control system.

AI801 Application and Reliability:

The AI801 module offers a high degree of accuracy and reliability for applications in a wide range of demanding industrial environments, such as temperature and pressure monitoring, level sensing and flow measurement.

It also has a built-in diagnostic function that can detect faults in the input signal as well as faults in the module itself, providing useful information for troubleshooting.