What is a relay control board?

What is a relay control board?

Relay boards are computer boards with an array of relays and switches. They have input and output terminals and are designed to control the voltage supply. Relay boards provide independently programmable, real-time control for each of several onboard relay channels.

What is an Ethernet relay?

Ethernet Relays are controlled by sending commands through your local area network or internet to the board. Once on the network, commands can be sent to control the relay from within the network or from outside over the internet. …

What is 5V relay?

A 5v relay is an automatic switch that is commonly used in an automatic control circuit and to control a high-current using a low-current signal. The input voltage of the relay signal ranges from 0 to 5V.

When would you use a relay?

One of the most common situations that require the use of a relay occurs when an application needs to switch from high to low current (or vice versa) within the same circuit. For example, the temperature sensors that power HVAC units require levels of amperage that vastly exceed the capacity of their wiring.

What’s the purpose of a relay?

1. The relay permits a small amount of electrical current to control high current loads. When voltage is supplied to the coil, small current passes through the coil, resulting in a larger amount of current passing through the contacts to control the electrical load.

What is a relay computer?

A relay computer is a computer system built primarily using electromechanical relays and relay logic. Obsoleting most of the earlier mechanical computers, relay were a short-lived technology during the late 1930s to early 1950s. From the mid 1950s onward, vacuum tube computers superseded relay logic.

Can enabled relay?

The CAN Relay Box is the appropriate product when you want to determine potential-free, switching output signals that must be connected. You can set the signal potential yourself and individually for your application. The 12 potential-free relays can be activated using CAN messages.

What is 6V relay?

The 6v relay is an electromechanical switching device which controls the AC devices through the DC power. Features of Relay 6V: Max Current: 5A AC/DC (max). Max Voltage: 250V AC/30V DC. Nominal Voltage: 6V.

What does the PCM relay do?

The PCM power relay is used to apply battery voltage safely to the appropriate PCM circuits. It is a contact type relay that is activated with a signal wire from the ignition switch.

When to use a relay?

A Relay is generally used when it is required to control a circuit by a separate low-power signal, or when several circuits must be controlled by one signal. They are classified into many types, a standard and generally used relay is made up of electromagnets which in general used as a switch.

What is the purpose of a relay switch?

Relays are switches controlled by electrical power, like another switch, computer or control module. The purpose of an automotive relay is to automate this power to switch electrical circuits on and off at particular times. However, the real benefit behind a relay is more than just automation;

What is an USB relay?

USB Relay. USB Relay is a small hardware device to turn other devices on and off, using your computer. It is connected to your computer via usb.