Single Push button to ON and OFF a Bulb using Ladder Logic Originally, ladder logic was a documented method for…

Valve Handwheel Types : Fixed, Hammer, Gear Handwheels are the most common valve actuator. The handwheel is used to manually…

4-Wire, Three-Phase Wye Wiring System Unlike single-phase wiring, which requires a neutral leg and a separate ground, the three-phase system…

PLC Programming Examples on Industrial Automation PLCs can range in size from small modular devices with a few tens of…

Types of Allen Bradley PLC The company makes programmable logic controllers (PLCs), human-machine interfaces, sensors, safety components and systems, software,…

Normally-open and Normally-closed Switch Contacts The definition of a sensor’s normal status is perhaps the most perplexing part of discrete…

Simplified Formulas for Parallel Circuit Resistance Calculations Calculating the equivalent resistance (REQ) of parallel resistors by hand is time-consuming. This…

Flow Nozzle Principle Nozzles are commonly used to control flow rate, speed, direction, and mass. The velocity of fluid increases…

Types of Cable Trays – Purpose, Advantages, Disadvantages Cable tray systems are alternatives to wire ways and electrical conduit, which…

PLC Timer Instructions A timer is a PLC instruction that measures the amount of time that has passed since an…