J. Alvarado
Ch. 9 Problems
1.)
a. they will not because your MCR instruction is not true.
b. they will NOW because your MCR is instruction is true.
c. PL1 will de-energize but PL2 will remain energized due to a latch.
d. the timer will not time due to second MCR zone being false.
e. yes, the timer will time NOW due to the second MCR zone being true.
f. (1/2) the timer will stop timing due to it being non-retentive. (2/2) if it was RTO the timer would not
lose its accumulated value.
2.)
a. it will be energized if the JMP instruction if false.
b. no it will not because PL4 is before the LBL instruction.
