Glossary of Sensors, Switches & Automation Terms

Thanks to the Sensor, Switch, Smart Camera, and Machine Vision device OEM's who've helped us compile our listing here.


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G-code - A programming system (sometimes called G programming language), formatted to allow computer programs to communicate and instruct CNC machine tools (their cutting tools/paths) to to automatically machine parts from metal, plastic and other materials.

Gain adjustment - See Sensitivity adjustment

Gate - A circuit, having one output, that only actuates when a specific combination of input events is achieved.

Gating - The provision to apply an external signal to a sensor to prevent undesirable operation.

Glass fiber-optics - See Fiber optics

Ground - A conducting path, between an electric circuit and the earth. In power distribution systems it refers to earth ground. Refers to conduit or machine frame ground. In electronic systems, it refers to the electronic chassis or enclosure ground or to DC common (voltage references to the negative side of a DC power supply).

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