Schneider inverter acceleration and deceleration operation method - Database & Sql Blog Articles

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Schneider inverters support two main operation methods for speed control: acceleration and deceleration. Here's a detailed explanation of both approaches: 1. **Button Operation Method**: This method requires two logic inputs to adjust the speed reference. For example, you can assign LI5 as the acceleration function and LI6 as the deceleration function. When the system is running, pressing LI5 increases the speed reference, while pressing LI6 decreases it. This allows for quick and direct adjustments during operation. 2. **Double-Click Button Operation**: This method uses a single logic input, typically assigned as “+speed,” such as LI5. By double-clicking this button, you can increase or decrease the speed reference. For instance, when the inverter is running in the forward direction (with LI1 activated), pressing LI5 once increases the speed, and pressing it again maintains the current speed. If you release LI5 but keep LI1 active, the speed remains constant. However, if LI1 is disconnected and then reconnected, the speed reference and actual speed will reset to their default values. Refer to Table 1 for more details on the double-click functionality.

These control methods provide flexibility depending on the user’s needs, whether they require simple one-button adjustments or more advanced multi-step operations. The double-click feature is especially useful in environments where quick and precise speed control is essential.