engineering recuitment BSPHCL Technician (Electrician) 2024 Mock Test Electrical and Electronics Measurements Data Acquisition System PLC SCADA
What is the role of system bus in PLC?
1
It helps the I/O port and I/O unit to communicate with each other.
2
It sends the location’s addresses to access the data.
3
It is used by the CPU to transfer data among different elements
4
It transfers signals related to the action that are controlled internally.