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Photoelectric Sensors: Types, Wiring and PLC Use
Learn how photoelectric sensors work, how to wire them to a PLC input, and when to choose through-beam vs diffuse vs retro-reflective mode. Real field gotchas included.
Aug 5, 2026 · 10 min read

Proximity Sensor Wiring to a PLC: Full Guide
Learn how to wire 2-wire, 3-wire and 4-wire proximity sensors to a PLC input. Covers PNP and NPN types, color codes, sinking vs sourcing inputs, and common wiring mistakes.
Aug 5, 2026 · 9 min read

Inductive vs Capacitive Proximity Sensors: Full Guide
Inductive and capacitive proximity sensors look identical but detect completely different targets. Learn the key differences, typical specs, and wiring rules for PLC integration.
Aug 5, 2026 · 9 min read
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