Traffic Light Plc Programming

Figure - 2 Click to see full video lamp connection

Traffic light PLC programming ko asani se samjhne ke liye hamne six (figure) part me divide Kiya Hua hai.

1 first figure me humane control wiring aur power wiring Kiya Hua hai

2-second figure humane 3timer aur 3 lamp Liya Hua hai

3 third figure timer 1 aur lamp 1 ki controlling process hai

4 fourth figure me timer 2 aur lamp 2 ka controlling process hai

5 5th figure me timer 3 aur lamp 3 ka controlling process hai

6 aur six-figure time 3 se again timer 1 ko reset karane ka process hai

7 aur sare input aur output ko 1 se 16 points me divide kiye hai.

Figure - 2 Click to see full video Plc Programming

Figure -3

Jaise hi hum plc ko run mode me dalte hai waise hi figure 3 me point 1 se time T4.0 on delay Enable ho jati hai aur point 2 enable hote hi point 3 ko high krta hai aur T4.0 ka NO bit point 3 Enable (high) hota hai waise hi Red lamp , 0.20 on ho jata hai.

Figure - 3

Figure - 4

120 second bad T4.0 ka DN bit (point 5)

Enable Hoga aur point 5 enable hote hi point 6 T4.0 ka DN bit high ho jata hai,

Point 6 high hone se Time T4.2 enable (point 7) ho jati hai, T4.2 ka EN bit

(point 8) high ho jati hai aur point 9 Yellow lamp 0.21 on ho jati hai.

Figure - 4

Figure - 5

80 second bad T4.2 DN bit (point 10) on ho jati hai, aur T4.2 (point 11) T4.2 ka DN bit ko high kaar deta hai, aur point 11 high hote hi Time T4.1 (point 12) enable

ho jata hai, aur time T4.1 Enable hone se Point 13 T4.1 ka EN (point 14) lamp 0.22 Green lamp On ho jati hai.

Figure - 5

Figure - 6

40 second bad time T4.1 ka DN bit (point 15) Enable ho jati hai, point 15 Enable hone se point 16 Time T4.1 ka DN bit se time T4.0 reset ho jati hai aur Timer T4.0 enable ho jati hai aur Green lamp 0.21 point 2 on ho jati hai .

Is Tarah continue Yahi process hoti hai aur one by one Red, yellow, aur Green lamp jalti hai.