Codesys TON Timer Reset: A Comprehensive Guide
Understanding the Codesys TON Timer Reset function is crucial for anyone working with industrial automation. This guide will delve into the details, providing you with a multi-dimensional perspective on how to effectively use this feature.
What is Codesys TON Timer Reset?
The Codesys TON (Timer ON) function is a timer that starts counting when a specified input is true. The TON Timer Reset function, as the name suggests, is used to reset the timer to its initial state. This is particularly useful in scenarios where you need to interrupt the timer’s counting process or reset it to start counting again from zero.
How to Use the TON Timer Reset Function
Using the TON Timer Reset function is straightforward. Here’s a step-by-step guide to help you get started:
- Open your Codesys project and navigate to the TON Timer block.
- Select the TON Timer block and click on the “Edit” button.
- In the “Edit” window, you will find the “Reset” input. This is where you will connect the signal that will trigger the timer reset.
- Connect the signal to the “Reset” input. When the signal becomes true, the timer will be reset.
- Save your changes and run the program.
Understanding the TON Timer Reset Function in Detail
Let’s dive deeper into the TON Timer Reset function and understand its various aspects.
Input Parameters
The TON Timer Reset function has two main input parameters:
- TON IN: This is the input that starts the timer. When this input is true, the timer begins counting.
- TON Reset: This is the input that resets the timer. When this input is true, the timer is reset to its initial state, and the counting process starts again from zero.
Output Parameters
The TON Timer Reset function has one output parameter:
- TON Q: This is the output that indicates the state of the timer. When the timer is active, this output is true; otherwise, it is false.
Example
Consider a scenario where you want to control a motor for a specific duration. You can use the TON Timer Reset function to achieve this. Here’s how:
- Connect the motor’s control signal to the TON IN input.
- Connect a button to the TON Reset input. When you press the button, the timer will be reset.
- Set the desired duration for the timer in the TON Timer block’s properties.
- When the TON IN input is true, the motor will start running for the specified duration. Pressing the button will reset the timer, and the motor will start running again for the specified duration.
Comparing TON Timer Reset with Other Timer Functions
There are several timer functions available in Codesys, each with its own unique features. Let’s compare the TON Timer Reset function with some of the other timer functions:
| Function | Description | TON Timer Reset | TON Timer ON | TON Timer OFF |
|---|---|---|---|---|
| TON Timer Reset | Starts counting when TON IN is true and resets when TON Reset is true. | 鉁?/td> | 鉁?/td> | 鉁?/td> |
| TON Timer ON | Starts counting when TON IN is true and stops counting when TON IN is false. | 鉁?/td> | 鉁?/td> | 鉁?/td> |
| TON Timer OFF | Starts counting when TON IN is true and stops counting when TON IN is false. | 鉁?/td> | 鉁?/td>
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