A-B 1746-OV8 输出模块

A-B 1746-OV8是一款由Allen-Bradley（A-B）公司制造的输出模块。这款模块通常用于工业自动化和控制系统中，是PLC（可编程逻辑控制器）系统中的重要组成部分。

A-B 1746-OV8模块的主要特性和功能包括：

电压与电流特性：该模块为直流24伏输出，操作电压范围在漏型直流10伏至50伏之间。它具备吸电流的特性，并在不同的温度下有不同的连续电流输出能力，例如在30°C时，每点的连续电流为1A，而在60°C时则为0.5A。

输出点数与结构：A-B 1746-OV8模块拥有8个输出点，每个输出点共用一个公共端。这种设计有助于简化布线，并提高了模块的灵活性和可配置性。

信号延迟：在导通状态下，该模块的最大信号延迟为0.1毫秒，而在关断状态下为1毫秒。这种快速的响应时间使得模块能够及时、准确地响应控制信号。

散热与功耗：A-B 1746-OV8模块的最大散热为6.9瓦，确保了在高负载运行时模块的稳定性和可靠性。此外，它在不同电压下的背板电流消耗也有所不同，例如在24V DC时的背板电流消耗为0mA。

接线与安装：模块配备了颜色编码的可拆卸接线端子，使得接线工作更加简便。此外，端子处还设有自提升压板，最多可容纳两根14 AWG（2 mm²）电线，从而提高了安装的灵活性和便利性。

总的来说，A-B 1746-OV8模块以其出色的性能、稳定性和灵活性，在工业自动化领域得到了广泛的应用。无论是单独使用还是与其他模块组合使用，它都能为控制系统提供稳定、可靠的输出功能。

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The A-B 1746-OV8 is an output module manufactured by Allen-Bradley (A-B). This module is commonly used in industrial automation and control systems and is an important part of PLC (Programmable logic Controller) systems.

The main features and functions of the A-B 1746-OV8 module include:

Voltage and current characteristics: The module has a DC output of 24 volts, and the operating voltage range is between 10 volts and 50 volts of drain-type DC. It has current absorption characteristics and has different continuous current output capabilities at different temperatures, such as 1A continuous current per point at 30°C and 0.5A continuous current at 60°C.

Output points and structure: The A-B 1746-OV8 module has 8 output points, each of which shares A common end. This design helps simplify wiring and increases module flexibility and configurability.

Signal delay: The module has a maximum signal delay of 0.1 ms in the on state and 1 ms in the off state. This fast response time enables the module to respond to control signals in a timely and accurate manner.

Heat dissipation and power consumption: The A-B 1746-OV8 module has A maximum heat dissipation of 6.9 watts, ensuring the stability and reliability of the module during high load operation. In addition, it has a different backplane current consumption at different voltages, such as a backplane current consumption of 0mA at 24V DC.

Wiring and installation: The module is equipped with color-coded detachable terminals for easy wiring. In addition, there is a self-lifting clamp at the terminal that can accommodate up to two 14 AWG (2 mm²) wires, increasing the flexibility and convenience of installation.

In general, A-B 1746-OV8 module with its excellent performance, stability and flexibility, has been widely used in the field of industrial automation. Whether used alone or in combination with other modules, it provides a stable and reliable output function for the control system.