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Sinking vs Sourcing in PLC: Choosing the Best IO Connection for Industrial Automation
- 〡 by WUPAMBO
In industrial automation, correct IO wiring is essential for reliable PLC operation. Sinking and sourcing define voltage flow to field devices relative to PLC common. Choosing the right type ensures accurate digital IO signals and prevents false readings. These rules are key for engineers using PLC, DCS, or factory automation systems.
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