1) What is the main difference between DCS & PLC and how to select them?

Question

Accepted Answer

DCS is used for continuous process control while PLC is used for discrete control.

DCS is used in industries such as oil and gas, chemical, and power plants.
PLC is used in industries such as manufacturing, automotive, and packaging.
DCS is designed for controlling continuous processes with multiple variables.
PLC is designed for controlling discrete processes with on/off control.
When selecting between DCS and PLC, consider the type of process, the complexity of the control, and the required level of automation.
For example, a chemical plant may require a DCS for controlling temperature, pressure, and flow in a continuous process, while a manufacturing plant may require a PLC for controlling the assembly line.

1) What is the main difference between DCS &amp; PLC and how to select them?