COUN 6722 EXAM PREPARATION TEST
BANK WITH CORRECT ANSWERS
●● EN, DN, OV, CU, CD
Answer: Counter Bits
●● Need to convert numbers?
Answer: *
●● Retentive timer
Answer: timer that does not reset accumulated values
●● TOF
Answer: timer remains false for a preset time interval; or until rung goes
True
●● TON
Answer: timer remains true for a preset time interval; or until rung goes
False
●● CTU, CTD
, Answer: counter up or down from -32,768 to 32,767 until rung goes
false (AC>PR) and then goes to .DN bit
●● RTO ACC bit
Answer: timer used to keep track of up time or down time
●● GRT, GEQ, LES, LEQ, ADD, SUB, MUL, DIV
Answer: Compare (If) and compute instructions
●● .EN enable bit
Answer: set when the overall rung is true
●● .OV
Answer: overflow bit; the up-counter has exceeded accumulated upper
limit (+32,767)
●● 2
Answer: counter is word #:
●● C5 : 0
Answer: alias of a counter
●● "counter" designation
BANK WITH CORRECT ANSWERS
●● EN, DN, OV, CU, CD
Answer: Counter Bits
●● Need to convert numbers?
Answer: *
●● Retentive timer
Answer: timer that does not reset accumulated values
●● TOF
Answer: timer remains false for a preset time interval; or until rung goes
True
●● TON
Answer: timer remains true for a preset time interval; or until rung goes
False
●● CTU, CTD
, Answer: counter up or down from -32,768 to 32,767 until rung goes
false (AC>PR) and then goes to .DN bit
●● RTO ACC bit
Answer: timer used to keep track of up time or down time
●● GRT, GEQ, LES, LEQ, ADD, SUB, MUL, DIV
Answer: Compare (If) and compute instructions
●● .EN enable bit
Answer: set when the overall rung is true
●● .OV
Answer: overflow bit; the up-counter has exceeded accumulated upper
limit (+32,767)
●● 2
Answer: counter is word #:
●● C5 : 0
Answer: alias of a counter
●● "counter" designation
