PLC I/O
PLC input / output
A controller interface point connecting field signals to an identified module channel.
Schematic
Symbols · PROX CAP
Capacitive proximity switch
A capacitive proximity switch detects a target through a change in its sensing capacitance.
Schematic · PROX CAP
What it represents
A capacitive proximity switch detects a target through a change in its sensing capacitance. Its supply and switching output are shown separately from the target or process material.
How to read it
- Read sensitivity and target conditions from the product selection.
- The preview is an original explanation of this function. Match the actual drawing convention to its legend and the selected equipment documentation.
Information to show or reference
- Identify supply terminals
- State output function
- Reference target material and sensitivity
A distinction that matters
Capacitive sensing is different from inductive metal-target sensing.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
AutoCAD Electrical: Capacitive proximity switches
Public documentation of this equipment function or named vendor variant; the illustration is independently authored and is not the source graphic.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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