Automation systems are those equipment, machines or any type of thing that works without the presence of the human being, by making decisions depending on certain circumstances that are imposed by the designer.

Thanks to automation, the human being has ceased to be an operator and has become a supervisor, acting on the system only when the latter is not able to make a decision or require his presence; Programmable logic controllers (PLCs) or microcontrollers are used to create an automatic system. The second option was developed a relay module, which is compatible with any type of platform.

The relay module consists of 8 channels that are enabled by a DC or AC voltage (depending on the voltage required by the coil of each of the relays), its design was developed with few components so that its value was not high; Although there are many modules in the market, this was done with the purpose of being installed in a control panel using the same connectors that use relays and power contactors, guaranteeing security in the connections that other types of modules do not have.

Within the same printed circuit, there is a protection in the coil of each relay with the purpose of increasing its useful life, its use is easy, it is enough to feed the card with the DC voltage of ignition of the coils and from the microcontroller or PLC, connect GND and each of the pins to use with each relay, on the inside of the card there are four holes where you can perform the installation with the control board.

Andy Rubiano^TM

Electronic engineer.

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