H5CN-XCNM AC100-240

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The H5CN-XCNM AC100-240 range of time delay relays are beneficial in a variety of application fields and able to meet a variety of requirements. The working principle of time delay relays facilitates they their use in automation, communication and safety applications.

Application Fields

Time delay relays provide numerous possible uses for varying disciplines. They are a valuable asset due to their versatility in the application fields below.

• Automation – In industrial applications, time delay relays are used to provide an additional level of safety and accuracy when controlling machines and equipment, monitoring the sale and supply of materials, controlling access to secure areas, providing supplementary readings or record keeping.
• Communication – In communications applications, time delay relays are used to detect anomalies in data transmitted across a network connection and act upon the detected anomaly. This could involve retransmitting data packets, alerting a server of an issue or disconnecting a connection.
• Security – Time delay relays are used in combination with sensors in security applications in order to detect intrusions or anomalies. The relay is triggered when an event is detected and triggers a notification system or alarm.

Working Principle

Time delay relays essentially work by time delay circuit and contactor circuit, where the relay opens or closes depending upon the elapsed time. When the relay is energized, the contactor circuit is closed immediately and the time delay circuit is energized. The time delay circuit provides an adjustable "ON" time, which is controlled by a potentiometer. When the designated time has elapsed, the relay will open the contactor circuit resulting in the power supply to the load being switched off.

The main components of the time delay relays used in the H5CN-XCNM AC100-240 range are a timing circuit, contactor circuit, time adjuster and a release circuit. The timing circuit is the most important component as it controls how long the relay will remain in the state where the contactor circuit is closed and the power supply to the load is enabled.

The contactor circuit is the main relay switch used to open or close the power supply to the load. It is opened or closed instantaneously, but the response time can be adjusted by changing the value of capacitor C3 or resistor R1.

The time adjuster is used to adjust the length of time the contactor circuit is closed. This is achieved by changing the setting of the potentiometer VR1. The release circuit is used to reset the timing circuit, restoring it to its original setting. This is triggered by turning off the power supply to the relay.

In conclusion, the H5CN-XCNM AC100-240 range of time delay relays are a valuable addition to a range of application fields from automation to communication and security. Their working principle of the time delay circuit and contactor circuit makes them a reliable and consistent option for controlling power supply to the load.

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