Industrial Automation, PLC, VFD, and Troubleshooting
In industrial automation, a sensor can be good, the PLC input card can be good, and the logic can be correct — but the machine can still fail because of …
Read MoreOne of the most confusing topics for new automation technicians is the difference between PNP, NPN, sourcing, and sinking.
This confusion usually appears when a sensor has power, the sensor LED …
Read MoreIn industrial automation, the PLC does not know what is happening in the real world unless field devices send information back to it.
That is the job of sensors.
Sensors detect physical …
Read MoreIntroduction
In industrial automation, the PLC does not physically “see” the machine, conveyor, door, bottle, box, valve, or actuator. The PLC depends on sensors to know what is happening in the …
Read MoreIntroduction
In industrial automation, sensors are one of the most important parts of a control system. A PLC can execute logic, energize outputs, control motors, start conveyors, open valves, and trigger …
Read MoreIntroduction
Selecting the right sensor is not just about choosing a device that can detect something.
In industrial automation, the correct sensor must detect the right condition, at the right time, in …
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