ERDM128

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Part Status:	Active
Lead Free Status / RoHS Status:	--

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Time Delay Relays

Time Delay Relays are relays which delay the operation of the relay after it is turned on. This is typically used to ensure all components of a circuit have enough time to come up to a particular voltage or current level, or as a way of controlling the on/off timing of motors and other inductive loads. The ERDM128 is a type of Time Delay Relay that offers impressive features, yet is easy to use and cost effective. This type of relay is popular among engineers due to its wide range of applications and working mechanisms. Here are some of the main areas of use and how the ERDM128 works.

Application Field

Time Delay Relays can be used in any number of applications, including:

• Providing time delay switching in heating and cooling systems
• Automatic switch-off after machine or plant shutdown
• Delays for equipment calibration and self-test cycles
• Interlocks for safety using dual timers
• Time delay of lighting for streets, tunnels, platforms, etc.
• Switch-on delays for frequency converters, starters, etc.

The ERDM128 is particularly useful for these applications due to its ability to deliver reliable and repeatable delays. This helps to ensure that all components of the circuit can function properly without any excess energy being drawn or spilled.

Working Principle

The ERDM128 is a digital timer relay which features a set of programmable relays and timers. This makes it possible to multiply the control functions which can be achieved by a single commands, and design the device operations based on user requirements. The EDRM128 provides two different working modes: regular and delayed. In regular mode, the relay functions normally and activates immediately once power is applied. In delayed mode, the relay does not immediately activate, instead it activates after a specific time has passed. The EDRM128 has an adjustable parameter that allows users to control the timing. The parameter can be set from 0 to 999 seconds, and it can be adjusted by using a programming meter. The ERDM128 also features a versatile dual voltage configuration. This makes it compatible with 110/230 Volts power supplies, and ensures that the device can work with any electrical system.

Conclusion

Time Delay Relays are becoming increasingly popular as a reliable solution for controlling motors and other inductive loads. The ERDM128 is a great example of such a device, offering a wide range of features and versatile application possibilities. With its adjustable parameter, dual voltage configuration, and easy to use programming meter, the ERDM128 is the perfect solution for engineers who require time delay switching solutions.

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