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1771-OFE2 A-B
1771-OFE2 A-B是Allen-Bradley（A-B）公司的一款模拟输出模块，具有单独隔离的信道，可用于工业自动化控制系统中。它能够提供稳定的模拟输出信号，支持多种工业应用。
规格：
- 通道数：具有4个输出通道。
- 输出电流：可提供4-20 mA的输出电流信号。
- 分辨率：具有12位二进制数字分辨率。
- 隔离度：每个通道的额定隔离为850 VDC（持续1秒）。
- 功耗：最大功耗为7.9瓦，散热量为26.9 BTU/hr。
- 背板电流消耗：为1.50安培。
- 数模转换器（DAC）稳定时间：最长为0.8 ms。
作用特征：
- 精确控制：通过提供精确的模拟输出信号，实现对最终控制元件（如变频驱动器、阻尼器等）的精确控制。
- 信号传输：可用于将信号传输到测量、接收和记录元件，如信号隔离器、信号转换器等。
- 隔离输出：具有单独隔离的信道，提高了系统的安全性和稳定性。
- 适应性：可以安装在任何1771 I/O机箱的单个插槽中，作为PLC5控制器的本地和远程I/O模块。
应用领域：
该模块广泛应用于工业自动化领域，特别是在需要精确模拟输出信号控制的场景中，如比例+积分+微分（PID）控制器的实现、模拟回路的自动控制等。
The 1771-OFE2 A-B is an analog output module from Allen-Bradley (A-B) that features individually isolated channels for use in industrial automation control systems. It provides stable analog output signals to support a variety of industrial applications.
Specifications:
- Number of Channels: Has 4 output channels.
- Output Current: Can provide a 4-20 mA output current signal.
- Resolution: Features a 12-bit binary digital resolution.
- Isolation: Each channel has a rated isolation of 850 VDC (for 1 second).
- Power Consumption: Has a maximum power consumption of 7.9 watts with a heat dissipation of 26.9 BTU/hr.
- Backplane Current Consumption: 1.50 amperes.
- DAC Stabilization Time: Maximum of 0.8 ms.
Functional Characteristics:
- Precise Control: Enables precise control of final control elements (such as variable frequency drives, dampers, etc.) by providing accurate analog output signals.
- Signal Transmission: Can be used to transmit signals to measurement, reception, and recording elements, such as signal isolators, signal converters, etc.
- Isolated Output: Features individually isolated channels, enhancing system safety and stability.
- Adaptability: Can be installed in any single slot of a 1771 I/O chassis, serving as a local or remote I/O module for PLC5 controllers.
Application Areas:
This module is widely used in industrial automation fields, especially in scenarios that require precise analog output signal control, such as the implementation of proportional-integral-derivative (PID) controllers and automatic control of analog loops.
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