Which of the following method is an accepted method of turning off an SCR?
A) Increasing the leakage current
B) Exceeding the dv/dt rating
C) Exceeding the breakdown voltage
D) Removing the gate current
E) None of the above
Question 2
Which of the following statements is NOT correct for a subroutine command in the SLC 500 PLC language?
A) A return instruction (RET) is used to return to the calling program.
B) You can call a subroutine from any part of a program.
C) Subroutines can be nested.
D) A label is used to indicate where the subroutine should jump to.