Develop ladder logic program for PLC-based Drink Dispenser System according to the logic given below,
I: 0.0 and I: 0.1 respectively start and stop press button to control the power supply with latch output.
Put the glass on L1 (I:0.4) place, which is converted from NO to NC, Press the Drink selection button from A/B/C, respectively enable I:0.9/I:0.10/I:0.11.
Press the Start PB to enable NC (I:0.2) to start the conveyor (O:0.1) until any solenoid valve (O:0.2/O:0.3/O:0.4) not energized and Stop PB(I:0.3) not enable.
After completion of the filling process, conveyor again starts until not reach up to L5 place (I:0.8).
Conveyor drives the glass up to L2 place as per selected drink type from A. enable the solenoid A (O:0.2) until timer (T:1.DN) bit not enable.
Fill the drink A for 15 sec (assume constant as per glass size) start the Timer enable the SOV A up to 15 sec and respective timer down bit control the SOV ON/OFF (solenoid A (O:0.2)) state.
Conveyor drives the glass up to L3 place as per selected drink type from B. enable the solenoid B (O:0.3) until timer (T:2.DN) bit not enable.
Fill the drink B for 15 sec (assume constant as per glass size) start the Timer enable the SOV B up to 15 sec and respective timer down bit control the SOV ON/OFF (solenoid B (O:0.3)) state.
Conveyor drives the glass up to L4 place as per selected drink type from C. enable the solenoid C (O:0.4) until timer (T:3.DN) bit not enable.
Fill the drink C for 15 sec (assume constant as per glass size) start the Timer enable the SOV C up to 15 sec and respective timer down bit control the SOV ON/OFF (solenoid C (O:0.4)) state.
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View Comments
what is the use for i:0:4 (L1)
Limit Switch (L1) is used to detect the presense of empty glass or bottle.
what i mean, any toggle switch on (a, b, c ) conveyor will be on. then what is the use for L1 and start button ?
Sir foundery moulding machine ka ladder logic bniya