2. Redesign and improve the pelican crossing ladder diagram given of FIGURE 1 of lesson PLC 6 2 by adding timer rungs and counter rungs between rungs 12 and 14 (or any similar workable scheme) together with the necessary contacts inserted in the amber and green man lights of rungs 7 and 10, etc. The chart below shows the required sequence of events. Note that a section of the chart is repeated a total of 16 times. The time intervals are given below. 35 36 37 1 3 4 5 6 7 Time periods Green road light ON ON OFF CFF OFF OFF OFF OFF ON Red road light OFF OFF OFF ON OFF OFF OFF OFF OFF Amber road light OFF OFF ON OFF ON OFF ON OFF OFF Wait sign OFF ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF OFF Green man Red man ON ON ON OFF OFF OFF OFF OFF ON first Sixteenth time occurrence 2. Redesign and improve the pelican crossing ladder diagram given of FIGURE 1 of lesson PLC 6 2 by adding timer rungs and counter rungs between rungs 12 and 14 (or any similar workable scheme) together with the necessary contacts inserted in the amber and green man lights of rungs 7 and 10, etc. The chart below shows the required sequence of events. Note that a section of the chart is repeated a total of 16 times. The time intervals are given below. 35 36 37 1 3 4 5 6 7 Time periods Green road light ON ON OFF CFF OFF OFF OFF OFF ON Red road light OFF OFF OFF ON OFF OFF OFF OFF OFF Amber road light OFF OFF ON OFF ON OFF ON OFF OFF Wait sign OFF ON ON OFF OFF OFF OFF OFF OFF OFF OFF OFF ON ON OFF ON OFF OFF Green man Red man ON ON ON OFF OFF OFF OFF OFF ON first Sixteenth time occurrence