How Transistors are Receiving /Sending Inputs and outputs in PLC/VFD ? What is Optocoupler?

Опубликовано: 31 Март 2026
на канале: Switch Gear & Automation

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In PLC input card, how its working with both polarity with NPN and PNP type transistor?
#optocoupler #npn #pnp #transistor #sinking #sourcing #plcinput

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