The 803-B3 is one of the best processors manufactured by Allen-Bradley for use in programmable logic controllers that are solid-start designed to carry out logical decision making for control applications in the industrial field. This processor becomes useful once the programmable logic controllers were putative in the various automotive industry and are commonly used in different applications in the many industries. The PLC is designed to carry out functions that need relays, solid state electronics, and minicomputers. Additionally, this is a lightweight, rugged device that runs without fans, air conditioners, or an electrical filter. However, for the PLC to work effectively, it must have a higher performance oriented processor that will work as the “brain” of the programmable logic controller system. A processor is a solid-state gadget that is meant to carry out a wide variety of production functions, machine equipment functions, and process control functions.

This processor comes with unique features, such as conventional electromechanical devices and relays to ensure that there are higher performance resolutions. With the help of an 803-B3 PLC processor, a programmable logic controller (PLC) can provide various functions such as relays or associated wiring with greater ease. Additionally, the processor comes with numerous flexible control functions, making the PLC the most preferred preference. The 803-B3 PLC processor is designed in a unique way, allowing it to run on a DC power of ± 5 Volts, which is fed to the module through its power supply. In addition to that, the inner DC power is channeled via the processor to operate some part of the I/O and gadgets that are connected to the service port of the PLC. When the ladder-diagram program is installed into the 803-B3 PLC processors, it lingers until it is modified by the operator with any other compatible programming devices. The program is unchanged through power fault or power off situations.