How are NPN inputs used in optocouple terminals?
NPN Inputs = Positive logic. The last pin on each digital input port connector provides a voltage (connected to the 5V power input, through a 10 ohm resistor and a diode) which is used by the Optocouple Input Terminal modules. It can also be used to supply “wetting voltage” to dry contact inputs.
What do you call the negative terminal ground?
We’ll call the negative terminal ground. Because of the excess positive charge at the positive terminal and the excess negative charge at the negative terminal, a positive charge will be repelled from the positive terminal and attracted toward the negative terminal.
Why is a positive charge attracted to the negative terminal?
Because of the excess positive charge at the positive terminal and the excess negative charge at the negative terminal, a positive charge will be repelled from the positive terminal and attracted toward the negative terminal.
Which is the positive terminal of a power supply?
Below is an illustration of a simple power supply with a positive terminal and negative terminal. The positive terminal has a net positive charge, and the negative terminal has a net negative charge. We’ll call the negative terminal ground. Want to learn more? Take an online course in Electronics.
Who is Randall power President of power custom?
Randall Power, President of Power Custom, is the son of Power Custom founder Ron Power. Having learned to run a Bridgeport mill to produce revolver scope mounts starting in grade school, Randall has spent his entire life in the firearms industry. Today, Randall is carrying on the Fixture and Accessory business.
How to tell positive and negative terminals on a car?
Attach the other end of the positive (red) jumper cable to the positive terminal of the good battery. Attach one end of the negative (black) jumper cable to the negative terminal of the good battery. Attach the other end of the negative (black) jumper cable to a ground location on the vehicle with the dead battery.
What’s the difference between positive and negative battery terminals?
As you might guess, the plus sign indicates the positive battery terminal, while the minus sign indicates the negative battery terminal. Most batteries also have a positive and negative sign stamped into the case. In many cases, the battery cable itself will also be red in color.
Can a positive jumper cable be connected to a negative terminal?
Warning: Mixing up the jumper cables or touching the cable ends together can damage the vehicle and potentially cause personal injury. Put on your safety glasses and protective gloves. Attach one end of the positive (red) jumper cable to the positive terminal of the dead battery.