7012OB

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Time Delay Relays are the most widely used type of electromechanical relay and their application field is quite diverse. They use an electrical signal to control the time at which a command is delivered, and can be used for basic ON-OFF output control on AC and DC power supplies. Depending on the application, Time Delay Relays can be wired to automatically start a machine, or to turn it off after a predetermined amount of time.

7012OB is a type of dual timer Time Delay Relay, and is a popular device used in industrial automation applications. It has two timing channels - a short one and a long one - which are linked to output relays to control external processes. The 7012OB can be used to switch the output on at a predetermined time, and to switch it off after a predetermined amount of time has elapsed.

Most Time Delay Relays are powered by an alternating current (AC) power supply. In the case of the 7012OB, this is 24V AC. The 7012OB is designed to automatically adjust the control voltage to the required level by using a voltage selector. This allows for easy integration into existing systems.

The working principle of a Time Delay Relay is simple, yet versatile. When the relay is triggered by an electrical signal, a timer is started and the output electrically controlled. The amount of time before the output is activated is adjustable, and can be changed depending on the application. Once the timer has expired, the output is powered for a certain period of time before turning off. This ‘time delay’ can be useful for control purposes, such as delaying the stop of a conveyor belt when an object passes a certain point.

The main advantage of Time Delay Relays is that they are very user-friendly, allowing for quick adjustment and implementation for any application. In the case of the 7012OB, two timer functions can be combined to provide greater control over the output. This includes multiple timing stages such as an instantaneous momentary output, a delayed output, and intervals for multiple outputs.

In addition, Time Delay Relays have a high level of reliability, and a wide range of models are available to suit almost any application. They can handle a wide range of loads, both DC and AC, and can be used to create complex process control systems, such as safety interlocks and alarm systems.

The 7012OB is a very popular Time Delay Relay and is commonly used in industrial automation applications. Thanks to its low cost, ease of use and durability, it is a great choice for a wide range of applications, from basic ON-OFF control to complex process control systems.

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