Test if PlanetCNC TNG software recognizes limit switch activation. All shown principles can be used for all other axes.Įxample 1: CNC machine uses only one limit switch for X axis (for positive direction), switch is connected to limit input 1:Įxample 2: CNC machine uses two limit switches for X axis ( for positive and negative direction), both switches are connected to limit input 1:Įxample 3: CNC machine uses two limit switches for X axis ( for positive and negative direction), each switch is connected to separate limit input, 1 and 2: In order that software recognizes limit switch activation and makes appropriate action, we need to configure limit switch inputs in settings: File/Settings/Motors/Limit Switches.Įxamples below will demonstrate use of different limit switch wiring methods for X axis. Limit switches are used for reference (homing procedure) and as a safety feature.
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