Industrial Automation, PLC, VFD, and Troubleshooting
Timers are everywhere in industrial automation.
A motor may need a few seconds to prove that it started. A valve may need time to reach its open position. A photoeye signal …
Read MoreTimers are one of the most common instructions used in PLC programming.
A timer allows the PLC to use time as part of the control logic.
In simple words:
A PLC timer waits …
Read MoreIn the previous post, we covered the basic PLC timer instructions:
TON = Timer On Delay
TOF = Timer Off Delay
RTO = Retentive Timer On
Now we are going one step deeper.
In real …
Read MoreFiltering Noisy Inputs and Preventing Unstable PLC Logic
In industrial automation, field devices do not always send perfectly clean signals to the PLC. A sensor, limit switch, push button, or relay …
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