Profibus
Profibus Ø What is Profibus? The term “Profibus” stands for “Process Field Bus” and it is the most widely used industrial control network worldwide for industrial process control, motion control, automation, and safety networks. This network is supported by above 1400 equipment vendors worldwide. In the OSI model, this control network provides services at different layers like layer1, layer2 & layer7. Profibus Device The two most frequently used Profibus versions are Profibus-DP & Profibus-PA. The devices used by Profibus are masters & slaves. The main function of Master devices is to control the bus once they have the right to access the bus, so they may transmit messages without any remote request known as active stations. Slave devices are normally peripheral devices like sensors, transmitters & actuators which may allow received messages at the master’s request, send messages to that master which is known as passive stations. Ø Why P...