Estic TNA1-TU01-SH 交流伺服电动拧紧器

Estic TNA1-TU01-SH 交流伺服电动拧紧器

自20世纪80年代末以来，有几种现场总线技术已经逐渐发展成熟，并在一些特定的应用领域显示了影响力和优势

它们是可寻址远程变换器数据链路HART(Highway Addressable Remote Transducer)、控制器局部网CAN(Controller Area Network)、局部操作网络LON(Local Operating Network)、过程现场总线PROFIBUS(Process Fieldbus)和基金会现场总线FF(Foundation Fieldbus)，这些现场总线各具特色，对于现场总线技术的发展发挥着重要作用。

Since the late 1980s, several fieldbus technologies have gradually developed and matured, and have shown influence and advantages in some specific application areas

They are Highway Addressable Remote Transducer (HART), Controller Area Network (CAN), and Local Operating Network (LON) Network, Process Fieldbus PROFIBUS(Process Fieldbus) and Foundation Fieldbus FF(Foundation Fieldbus), these fieldbuses have their own characteristics and play an important role in the development of fieldbus technology.