216GD61A HESG324436R3/A HESG324428 光耦合器模块的输入侧包括电源或信号输入电子器件以及LED

Description

216GD61A HESG324436R3/A HESG324428 光耦合器模块的输入侧包括电源或信号输入电子器件以及LED

光耦合器模块是一种独立的DIN导轨安装器件，为信号路径提供光学隔离。其核心是一个光耦合器，即一个具有发光二极管或LED和一个光敏器件的电路。

光耦合器模块的输入侧包括电源或信号输入电子器件以及LED。216GD61A HESG324436R3/A HESG324428 输出包括输出电路中的光敏器件（通常是光电晶体管或光电二极管）。当电流通过LED时，它会导致红外光的发射，从而激活光敏器件，从而使电流通过光耦合器的输出。这样，光耦合器输出类似于数字开关，根据输入电压信号的存在而打开和关闭。

光耦合器的一个关键参数是电流传输比或CTR，它是输入和输出电流之间比率的量度。光耦合器模块可防止电气干扰，从简单的机械限位开关信号到基于协议的数据传输，在工业环境中，一切都容易受到电噪声的影响。如果这些信号必须传播任何距离，则它们最容易受到攻击。在这里，光耦合器可以隔离流经接地连接的杂散电流产生的共模噪声。

216GD61A HESG324436R3/A HESG324428 光耦合器模块的应用范围广泛，不仅适用于工业领域，也适用于通信、测量等领域。其具有高可靠性、高精度和高稳定性等优点，能够有效地实现信号的光学隔离和传输，提高系统的抗干扰性能和稳定性。

216GD61A HESG324436R3/A HESG324428 光耦合器模块的输入侧包括电源或信号输入电子器件以及LED

The optocoupler module is an independent DIN rail mount that provides optical isolation of the signal path. At its core is a photocoupler, that is, a circuit with a light-emitting diode or LED and a photosensitive device.

The input side of the optocoupler module includes power or signal input electronics as well as leds. 216GD61A HESG324436R3/A HESG324428 Output includes a photosensitive device (usually a phototransistor or photodiode) in the output circuit. When the current passes through the LED, it causes the emission of infrared light, which activates the photosensitive device, thus enabling the current to pass through the output of the optocoupler. In this way, the optocoupler output is similar to a digital switch that turns on and off depending on the presence of the input voltage signal.

A key parameter of the optocoupler is the current transfer ratio, or CTR, which is a measure of the ratio between the input and output currents. Optocoupler modules protect against electrical interference, from simple mechanical limit switch signals to protocol-based data transmission, in industrial environments where everything is susceptible to electrical noise. If these signals have to travel any distance, they are most vulnerable to attack. Here, the optocoupler can isolate common mode noise from stray currents flowing through the ground connection.

The 216GD61A HESG324436R3/A HESG324428 optical coupler module has a wide range of applications, not only for industrial fields, but also for communication, measurement and other fields. It has the advantages of high reliability, high precision and high stability, and can effectively realize the optical isolation and transmission of signals, and improve the anti-interference performance and stability of the system.