36.工业通信应用光电耦合器

36.工业通信应用光电耦合器
Optocouplers in Industrial Communication
By Alexander Jaus, Avago Technologies

White Paper

Industrial communication includes data monitoring Smart sensors are used within industrial systems causing
and processing, diagnostic and sensing as well as visu- a change of communication at the device level, moving
alization. To maintain data integrity against group loop towards a more complex information exchange. Due
current or common mode noise, optocouplers are used to increased miniaturization, a sensor becomes a small
to eliminate both problems. Various technologies and PC with memory and networking capability. This allows
communication buses allow the user to select according sophisticated feedback and more accurate information
to their spec