Leine＆Linde的XHI 801和XHI 803旋转编码器现在可以使用OptOlink使用，以使用光纤传输编码器位置数据。OptOlink发射器在恶劣的工业环境中提供安全的数据传输，在这些环境中，电噪声和长长的电缆长度可能会出现问题，例如在许多采矿，钢，起重机，风力涡轮机和纸浆/纸张加工应用中等等。
The Optolink technology permits signal transmission up to 1500 meters. Because data is transmitted over optical fiber, the signal is not affected by electromagnetic disturbances. This reduces the chance of measurement errors in electrically noisy environments, something that may be difficult to mitigate when copper cable is used. Optical fiber has other advantages as well; it is significantly lighter than copper, and the the galvanic isolation offered by the fiber can help to prevent damage from lightning when applied in wind turbines and cranes for example.
Optolink is provided in addition to the standard encoder outputs. This allows the standard output to interface with a local control system, and the optical channel can then be used for long distance transmission to a remote facility or for Safety systems. To convert the optical signal back into a protocol accepted by the controller, Leine & Linde provides an Optolink receiver which converts the signal back into standard electrical encoder interfaces like HTL or RS-422.
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