Relay Board Wiring Diagram

Get Relay Board Wiring Diagram Pics. In this tutorial video, we will learn about relay, relay board and how to connect relay board with plc output. Relay schematics and diagrams sample wiring diagrams for a 4 pin normally open relay.

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If the relays are deactivated, then both sides of the motor are connected to gnd, causing a braking effect. Many control applications can be applied to electronic locks, light switches or relays (high and low switch control). A relay can be used to control high voltages with a low voltage by connecting it to an mcu.

• switching capacity available by 10a in spite of small size design for highdensity p.c.

Shown below is the connection details to connect 4 channel relay board with arduino. Relay_jmp is the relay control pin selecting jumper. A relay is an electrically operated switch. The relay function can be better understood by explaining the following diagram given below.