Rockwell Industries Automation Engineer Interview Questions and Answers

PLC is a programmable logic controller used for industrial automation. SCADA is a supervisory control and data acquisition system.

• PLC is a digital computer used to control industrial processes

• It receives inputs from sensors and controls outputs to actuators

• SCADA is a software system used to monitor and control industrial processes

• It collects data from PLCs and displays it to operators

• Examples of PLC applications includ...read more

PLC scan time is the time taken by a PLC to complete one cycle of scanning.

• PLC scan time is the time taken by a PLC to read inputs, execute the program, and update outputs.

• It is important to keep the scan time as low as possible to ensure efficient operation of the system.

• Factors affecting scan time include the complexity of the program, the number of I/O points, and the speed of the processor.

• Scan time can be reduced ...read more