Protocols and communication standards are important elements of industrial automation, as they allow communication between various devices at diffe...

Protocols and communication standards are important elements of industrial automation, as they allow communication between various devices at different levels of industrial automation, thus implementing fast and efficient process automation. Based on this knowledge, classify the statements below as true or false.

( ) As a physical transmission medium, the OPC protocol can use USB, RS232, RS485, RS422, and Ethernet standards.
( ) RS485 and 422 standards can transmit data up to a distance of 1200 meters, and the most widely used standard for local network OPC is Ethernet.


( ) True, True
( ) True, False
( ) False, True
( ) False, False