Industrial Automation, PLC, VFD, and Troubleshooting
Industrial instrumentation is one of the most important areas of automation.
Sensors tell the PLC when something is ON or OFF.
Instrumentation tells the PLC how much, how high, how hot, how …
Read MoreDiscrete, Analog, and Digital Signals for Automation Technicians
Industrial instruments measure real-world process conditions such as pressure, level, flow, temperature, weight, pH, or gas concentration. But the PLC cannot directly read …
Read MoreTurning Real-World Signals Into Useful Numbers
In PLC troubleshooting and programming, not every signal is simply ON or OFF.
Many devices send a variable signal that represents a real-world measurement, such as:
TemperaturePressureLevelFlowWeightValve …
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