ABSOLUTE API4380-G是一种控制器模块，具有多种特性，包括DC电压或电流输入、光学隔离的DC电压或电流输出与输入成线性关系、内置18 VDC未调节回路励磁电源等。它被广泛应用于信号隔离、信号转换、信号增强或其组合三者之中，同时具有全3路（输入、输出、电源）隔离的特点。此外，该模块还支持现场配置外部旋转和滑动开关，常见范围设置在模块标签上，但也可以根据需求进行定制。

It is a controller module with various characteristics, including DC voltage or current input, optically isolated DC voltage or current output in linear relationship with input, built-in 18 VDC unregulated circuit excitation power supply, etc. It is widely used in signal isolation, signal conversion, signal enhancement or their combination, and has the characteristics of all three channels (input, output, power supply) isolation. In addition, the module also supports on-site configuration of external rotating and sliding switches, commonly set on the module label, but can also be customized according to needs