Introduction:
In industrial automation, filling and capping systems are essential components for manufacturing processes. These systems must be reliable, efficient, and safe to operate to ensure product quality and reduce downtime. TIA Portal is a software suite used for automation programming that includes various programming languages, such as Instruction List (IL). In this article, we will discuss the project of filling and capping system using Instruction List (IL) in TIA Portal.
Project Overview:
The filling and capping system project involves the automation of two processes: filling and capping. The filling process involves filling containers with a liquid product, and the capping process involves sealing the containers. The system consists of a filling machine, a capping machine, and a conveyor belt that moves the containers between the two machines.
The filling machine includes a tank, a pump, and a flowmeter. The pump draws liquid from the tank and pumps it through the flowmeter to measure the volume of the liquid. The capping machine includes a cap dispenser, a cap applicator, and a cap press. The cap dispenser dispenses caps, the cap applicator places the caps on the containers, and the cap press seals the caps onto the containers.
Instruction List (IL):
Instruction List (IL) is a low-level programming language used in automation programming. It uses a series of instructions to control the operation of industrial equipment. The IL language consists of a set of simple commands, such as load, store, add, subtract, and jump. The language is designed for efficient execution and easy understanding by the programmer.
Project Implementation:
The filling and capping system project can be implemented using Instruction List (IL) programming language in TIA Portal. The project can be divided into two parts: filling and capping.
Filling: The filling process involves the following steps:
- Initialize the system by setting the pump and flowmeter to their default values.
- Monitor the level of liquid in the tank.
- If the level is below the minimum level, stop the filling process and display an error message.
- If the level is above the minimum level, turn on the pump and start filling the containers.
- Measure the volume of liquid using the flowmeter.
- If the desired volume is reached, stop the pump and move the container to the capping machine.
- If the desired volume is not reached, continue filling the container until the desired volume is reached.
Capping: The capping process involves the following steps:
- Initialize the system by setting the cap dispenser, cap applicator, and cap press to their default values.
- Monitor the presence of containers on the conveyor belt.
- If no containers are present, wait for a container to arrive.
- If a container is present, dispense a cap from the cap dispenser and place it on the container using the cap applicator.
- Seal the cap onto the container using the cap press.
- Move the container to the next stage of the manufacturing process.
Code in Instruction List (IL) for a project of filling and capping system
LD Sensor_Filling_Level // Load input signal from filling level sensor CMP Target_Filling_Level, GE // Compare target filling level to current filling level JMP Fill_Process // Jump to fill process if filling level is below target JMP Cap_Process // Jump to cap process if filling level is at or above target Fill_Process: SET Valve_Open // Set output signal to open filling valve LD Sensor_Filling_Level // Load input signal from filling level sensor CMP Target_Filling_Level, EQ // Compare target filling level to current filling level JMP Fill_Process // Jump back to fill process until target is reached RST Valve_Open // Reset output signal to close filling valve JMP Cap_Process // Jump to cap process Cap_Process: LD Sensor_Cap_Position // Load input signal from cap position sensor CMP Cap_In_Place, EQ // Compare cap position to "in place" JMP Tighten_Cap // Jump to tighten cap if cap is in place JMP Cap_Process // Jump back to cap process until cap is in place Tighten_Cap: SET Motor_Torque // Set output signal to tighten cap TON Cap_Tighten_Timer, 10 // Start timer for 10 seconds LD Motor_Torque // Load input signal from motor torque sensor CMP Target_Torque, GE // Compare target torque to current torque JMP Tighten_Cap // Jump back to tighten cap until target is reached RST Motor_Torque // Reset output signal to stop motor RST Cap_In_Place // Reset global variable for cap position JMP End_Process // Jump to end process End_Process: HLT // Halt the program
Conclusion:
In conclusion, the project of filling and capping system using Instruction List (IL) in TIA Portal is a simple and efficient way to automate industrial processes. The IL language is easy to understand and can be used to control complex machinery. The project outlined in this article is just one example of the many applications of IL in industrial automation. By using IL, engineers can create reliable, efficient, and safe automation systems that can improve product quality and reduce downtime.