Answer:
The smart component is installed next to the host device and consists of several intelligent electronic devices, which undertake basic functions such as measurement, control and monitoring related to the host device. The communication of intelligent components includes process layer network communication and station control layer network communication, all of which follow the IEC61850 standard. An intelligent terminal is a kind of intelligent component, which is connected with primary equipment by cable, and connected with secondary equipment such as protection, measurement and control, etc. by optical fiber, so as to realize the functions of measurement and control of primary equipment.
