LT4HT-DC24V Industrial Controls

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Time Delay Relays are a type of relay which has an intentional delay before closing the contacts when an activating signal is received. They are commonly used in automated processes to control the timing of events. The LT4HT-DC24V is a common type of time delay relay used in many industrial applications. This article will discuss the application fields for the LT4HT-DC24V and its working principle.

The LT4HT-DC24V is a medium-sized, four-terminal, double-channel time-delay relay intended for use in industrial and other applications where precise control of time is necessary. This type of relay is often used in situations that require the operator to maintain the same delay regardless of the input power, temperature, or time of day. Some common application fields for the LT4HT-DC24V include production line maintenance, switching, positioning, and temperature control. In these types of applications, the LT4HT-DC24V time delay relay provides the end user with accurate control for precise timing.

The LT4HT-DC24V is designed to perform a variety of functions, including single-shot and continuous timing functions. In single-shot timing, the relay can be used to activate a single load after a specific delay. In continuous timing, the relay can switch a load on and off at a predetermined interval. The single-shot timing is typically used for reset control, while the continuous timing is used for cycles of repetitive tasks.

The LT4HT-DC24V time delay relay has a built-in electromechanical timer that is adjustable through the terminals or a front panel knob. The timer is adjustable from 0.1 seconds up to 10 minutes depending on the version. It is capable of both single-shot and continuous timing. The internal timer is programmed by adjusting its potentiometer with the knob. In addition, a single-shot delay can also be adjusted by moving a screwdriver across the terminals.

The working principle of the LT4HT-DC24V is quite straightforward. An activating signal is applied to the relay and, depending on the timing setting, the relay will close the contacts either immediately or after a specified delay. When the voltage is applied to the relay, the timer begins counting down the duration set by the user. Once the duration has elapsed, the contacts will close. This will enable the controlled circuitry to continue its operation. The same process will be carried out when the voltage is removed from the relay contacts, except that the timing duration will be counted up instead of down.

In summary, the LT4HT-DC24V time delay relay is a versatile device used in many industrial and other applications requiring precise timing control. It is adjustable from 0.1 seconds up to 10 minutes and can perform both single-shot and continuous timing functions. It uses a built-in electromechanical timer which is adjustable by a front panel knob or by moving a screwdriver across the terminals. When an activating signal is received, the relay will close the contacts either immediately or after a specified delay, thereby enabling the controlled circuitry to continue its operation.

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