Coil
Relay coil
The operating element associated with a relay and its separately drawn contacts.
Schematic
IEC · Q021317
Cam-profile indication
A cam-profile indication describes the mechanical profile associated with an operating sequence.
IEC · Cam-profile indication
Autodesk IEC-60617 Symbol Preview — Operating-device and function qualifiers; vendor family reference, not certified IEC geometry or database identifier.
Shown as an independently authored educational illustration. Use the cited publication and drawing legend to verify the required drafting form.
Schematic · Q021317
What it represents
A cam-profile indication describes the mechanical profile associated with an operating sequence. A profile representation helps describe how a mechanical operating surface relates to the movement it produces. In an electrical diagram its purpose is the operating relationship rather than manufacturing geometry.
Use position or sequence references to link the profile to the operated contacts. Dimensions and machining detail belong in the relevant mechanical documentation.
How to read it
- Keep profile and position annotations consistent with the operated contacts.
- A profile indication is not a manufacturing drawing of the physical cam.
Information to show or reference
- Identify the associated device, circuit or diagram boundary.
- Keep profile and position annotations consistent with the operated contacts.
- Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form.
A distinction that matters
A profile indication is not a manufacturing drawing of the physical cam.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Autodesk IEC-60617 preview: Operating-device and function qualifiers
Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content.
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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