TC-PCIC02 HONEYWELL 高速数据传输

1756-OF8
1756SC-CTR8
1771-OW16/B
1756-ENBT
1756-DHRIO

Description

PROFIBUS是符合德国国家标准DIN19245和欧洲标准EN50179的现场总线,包括PROFIBUS-DP、PROFIBUS-FMS、PROFIBUS-PA三部分。它也只采用了OSI模型的物理层、数据链路层、应用层。PROFIBUS支持主从方式、纯主方式、多主多从通信方式。主站对总线具有控制权,主站间通过传递令牌来传递对总线的控制权。取得控制权的主站,可向从站发送、获取信息。PROFIBUS-DP用于分散外设间的高速数据传输,适合于加工自动化领域。FMS型适用于纺织、楼宇自动化、可编程控制器、低压开关等。而PA型则是用于过程自动化的总线类型。

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