Quiz 8 and 9 solutions

Quiz 8 and 9 solutions - EE369 Industrial Automation Quiz 8...

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Unformatted text preview: EE369 Industrial Automation Quiz 8 — PLC Timer Instructions Name: SOLUTlON Date: 1. State any two differences between the TON and TOF timer instructions. 1' TQN lame); when hub E20016” 7E}? Ema wrighgoe’ lh L523 LOU' TOF~ DN but; is ‘érue, when Aceiflke 2. Draw the PLC ladder logic program that will control two lights as follows: - Pressing a NO. pushbutton PBl turns on L1 and keeps it on even after P31 is released - Pressing another N.O. pushbutton PB2 will turn off L1 - If L1 has been on for 2 minutes, and then a N.C. pushbutton P83 is pressed, L2 is turned on - L2 turns off when P83 is released P8! P62 ,,_1 ,_ i s ,-],,___. “7‘s , l \ ‘Tleo/DN p53 Name: EE369 Industrial Automation Quiz 8 — PLC Timer Instructions SOL U T! ON Date: For each of the following timer instructions, state what happens to its ‘Done’ bit if the respective timer loses power. TON: ‘ Dona bit -: O l l TOP: Dome, [3115 l RTO: - .i ._ Done on? remaking In iés land {slim-éfi Draw the PLC ladder logic program that will control two lights as follows: - Pressing a N.O. pushbutton PBl turns on L1 and keeps it on even after P81 is released - Pressing another N.C. pushbutton PBZ will turn off L1 - L2 is turned on with L1 - L2 automatically turns off 1 minute after L1 is turned on P5! 951 L1 Renae—a vk—L) Li _;I l,__. ‘TH‘10/‘T‘T EE369 Industrial Automation Quiz 9 — Counters and Data Type Instructions Name: 601 “.2 “WV! Date: 1. A CTU instruction is set to count up to 2500. Ifthe accumulator counts past 2500, what happens to the ’Done' bit if the counter loses power? DON E b i 3 {3.11.3 5 GA} 2. Motor M1 is controlled by a Start/Stop/Seal control system. Write a PLC program that will count the number of times that M1 is started. This value needs to be shown on a 2-digit 7-segment LED display at all times. The address ofthe output card connected to the 7-segment display is 0:004. At any time, pressing a N.O. pushbutton PM will reset the count. 951 UP ‘31le ll ll- Mt lli‘ 'A ll EE369 Industrial Automation Quiz 9 — Counters and Data Type Instructions Name: 80 LUV—ION Date: 1. For a CTD instruction, which control word bit indicates that the accumulator has gone past the minimum value allowed in the PLC-5? 2. What instruction can be used to convert BCD data into an integer value? i-‘RD 3. Write a PLC program that will control two lights as follows: - Pressing a NO. pushbutton PBl turns light L1 on and keeps it on - Pressing a N.C. pushbutton P82 turns light L1 off - If L1 is turned on more than 5 times, another light L2 turns on and stays on - L2 is turned off if another N.O. push button P33 is pressad psi as ’2— Ll P—f—ll ...
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