Where line voltage variations to the PLC are excessive, a constant voltage transformer can be used to maintain a steady voltage.

Which of the following is a bibliographic source?

A) map
B) memo
C) letter
D) all of the above

A human machine interface (HMI)

A) allows the user to monitor a process.
B) allows the user to control a process.
C) can provide a graphical representation of a process.
D) All of these choices are correct

As you create a report,when might you want to work in Report Layout view?

A) When you want to view the report as it will appear when printed.
B) When you want to hide the data and concentrate on the report design.
C) When you want to view the report without any formatting.
D) When you want to view the data as you change the report.