A-B 1746-OB32是一款由美国Rockwell Allen-Bradley（AB）公司精心打造的高性能PLC（可编程逻辑控制器）输出模块。这款模块以其稳定性和功能特性，在工业自动化领域得到了广泛的应用。下面，我们将详细解读其关键参数。 首先，1746-OB32的输出电压为直流24伏，这使得它能够在各种直流电源环境中稳定运行。其操作电压范围广泛，源型直流5伏至50伏的电压都能满足其工作要求。 在输出点数上，1746-OB32拥有32个输出点，每个公共端有16个点，这种设计大大提高了模块的可扩展性。同时，大信号延迟仅为ON时0.1毫秒，OFF时1.0毫秒。 此外，1746-OB32在功耗和散热方面也有表现。在0V DC下，它消耗背板电流为19.5A，而在全负载运行时，每个输出点的标称电流为0.60A，总散热量控制得当，确保模块能够持续稳定地工作。 在环境适应性方面，1746-OB32同样表现。其工作温度范围广泛，能在-25摄氏度至60摄氏度的环境中正常工作。同时，它还能在140-5%的非冷凝湿度下运行，各种恶劣工业环境的需求。

A-B 1746-OB32 is a high-performance PLC (programmable logic controller) output module carefully built by Rockwell Allen-Bradley (AB) in the United States. This module has been widely used in the field of industrial automation due to its stability and functional characteristics. Next, we will explain its key parameters in detail. 

 First of all, the output voltage of 1746-OB32 is DC 24 volts, which enables it to operate stably in various DC power environments. It has a wide range of operating voltages, and the source DC voltage from 5V to 50V can meet its working requirements. 

 In terms of output points, 1746-OB32 has 32 output points, and each public terminal has 16 points. This design greatly improves the scalability of the module. At the same time, the large signal delay is only 0.1 milliseconds at ON and 1.0 milliseconds off. 

 In addition, 1746-OB32 also performs in terms of power consumption and heat dissipation. At 0V DC, it consumes 19.5A of backplate current, and when running at full load, the nominal current of each output point is 0.60A, and the total heat dissipation is properly controlled to ensure that the module can work continuously and stably. 

 In terms of environmental adaptability, 1746-OB32 also performs the same. It has a wide range of operating temperatures and can work normally in an environment of -25 degrees Celsius to 60 degrees Celsius. At the same time, it can also operate at 140-5% non-condensing humidity, which is required by various harsh industrial environments.

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