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A Keepout in PCB design is a user-defined area or perimeter placed in the layout that copper objects cannot intersect. This mechanical layer type is automatically created to hold the primitives when a Board Region is converted to free primitives (Board Planning. A track keepout can be placed as a layer-specific keepout object or an all-layer keepout to act, for example, as a placement or routing barrier.
Arc connections between vertex points can be defined, and support is also provided for exporting vertex information to and importing from a CSV-formatted file. Use this region to select which object types will be restricted by the Keepout. Deselecting an object type will cause the Keepout to allow transgressions by that type of object not kept out by not imposing the applicable Clearance Rule.
Choices include:. If would like to speak with a representative, please contact your local Altium office. Download Altium Designer Installer. You may receive communications from Altium and can change your notification preferences at any time. If you are not an active Altium Subscription member, please fill out the form below to get your free trial. Just fill out the form below to request your Student License today. Upverter is a free community-driven platform designed specifically to meet the needs of makers like you.
Click here to give it a try! Region Keepout Properties. Using Altium Documentation. For more information about Keepouts, click here. In the below properties listing, options that are not available as default settings in the Preferences dialog are noted as ” Properties panel only”. Straight line edges are used to connect one vertex point to the next. If you would rather have an arc connection, enter a value for the required Arc Angle. Entry is made in the field associated to the source vertex point, with the arc being from this vertex to the subsequent vertex below in the list.
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We’re sorry to hear the article wasn’t helpful to you. Could you take a moment to tell us why? Connect to Support Center for product questions. The automated Keepout object conversion is as outlined below:. Altium Designer is able to import design files from a wide range of other design tools using the automated conversion capabilities provided by the Import Wizard File » Import Wizard. Keepout type objects that are included in PCB design files from other design tools, some of which are object specific, are converted to Object Specific Keepouts by the Wizard, where possible.
Correct Keepout interpretation also occurs during the IDF export process. If would like to speak with a representative, please contact your local Altium office. Download Altium Designer Installer. You may receive communications from Altium and can change your notification preferences at any time.
If you are not an active Altium Subscription member, please fill out the form below to get your free trial. Just fill out the form below to request your Student License today. Upverter is a free community-driven platform designed specifically to meet the needs of makers like you. Click here to give it a try! Using Altium Documentation. Keepouts can be placed on all copper signal layers, excluding copper planes. When currently active board layer is not compatible with Keepouts, the Place » Keepout command is not available grayed out.
Keepouts are automatically restricted to the Layer they are placed on, so Keepouts applied directly to the Keep-Out layer will become All Layer Keepouts. When the Keepout Layer is changed, the Keepout will be limited to, and appear on, the specified Layer.
Note that a conventional non Keepout object cannot be placed on the Keep-Out Layer. The Keepout object shown associated with C9 was added to that component in the PCB Library Editor , and is therefore part of its component definition. Note that the approach to controlling Polygon Pour areas is used here as an example for placing and configuring Layer Specific Keepouts.
Keepout objects can be converted back to their equivalent non-Keepout primitive objects using the Tools » Convert » Convert Selected Keepouts to Primitives command. Similarly, the Net attribute for Keepout objects in the PCB List panel cannot be edited because Keepout objects, by definition, cannot be assigned to a Net.
Keepout objects cannot be assigned to or connect to a Net, however this was possible in previous Altium Designer releases. When a PCB document from a previous release is opened, any primitive objects with the Keepout option enabled and a Net assigned will be converted to a Keepout object on the same layer, as normal — the Net assignment is simply ignored.
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Typically this will be a set of lines and/or arcs placed on the Keepout layer or a mechanical layer. Use the following. These can apply to all layers by placing the region on the Keep-out layer, or they can be layer-specific by placing the region on a signal layer. The Keepout Fills are set to All Layers and configured to restrict only Copper objects, which will reject Polygon Pours, Fills and Regions while accepting.
Object Specific Keepouts_AD | Altium Designer User Manual | Documentation.
Watch Video Routing Post Processes. Watch Video Silkscreen Placement. Watch Video Schematic Documentation Outputs. Watch Video Fabrication Files Outputs. Watch Video Assembly Data Outputs. Watch Video Generating and Storing Outputs. Next Chapter —. Tip: If you need to define a keepout area for all layers, select Keep-Out Layer in the Restricted for Layer drop-down menu.
Tip: You can use other than rectangular areas as it is done in this guide. For example, you can place a Keepout Track to which the active Clearance rule will apply for the objects selected in the Keepout Restrictions region.
Was this chapter useful? Yes No. Thank you Glad to hear it. Correct Keepout interpretation also occurs during the IDF export process.
If would like to speak with a representative, please contact your local Altium office. Download Altium Designer Installer. You may receive communications from Altium and can change your notification preferences at any time. If you are not an active Altium Subscription member, please fill out the form below to get your free trial.
Just fill out the form below to request your Student License today. Upverter is a free community-driven platform designed specifically to meet the needs of makers like you. Click here to give it a try! Using Altium Documentation. Keepouts can be placed on all copper signal layers, excluding copper planes. When currently active board layer is not compatible with Keepouts, the Place » Keepout command is not available grayed out.
Keepouts are automatically restricted to the Layer they are placed on, so Keepouts applied directly to the Keep-Out layer will become All Layer Keepouts. When the Keepout Layer is changed, the Keepout will be limited to, and appear on, the specified Layer. Note that a conventional non Keepout object cannot be placed on the Keep-Out Layer. The Keepout object shown associated with C9 was added to that component in the PCB Library Editor , and is therefore part of its component definition.
Note that the approach to controlling Polygon Pour areas is used here as an example for placing and configuring Layer Specific Keepouts. Keepout objects can be converted back to their equivalent non-Keepout primitive objects using the Tools » Convert » Convert Selected Keepouts to Primitives command. Similarly, the Net attribute for Keepout objects in the PCB List panel cannot be edited because Keepout objects, by definition, cannot be assigned to a Net.
Keepout objects cannot be assigned to or connect to a Net, however this was possible in previous Altium Designer releases. When a PCB document from a previous release is opened, any primitive objects with the Keepout option enabled and a Net assigned will be converted to a Keepout object on the same layer, as normal — the Net assignment is simply ignored. A region is a primitive design object. As well as the standard region that is used for design tasks, there is a second type of region available, referred to as a region keepout.
A region keepout can be placed as a layer-specific keepout object or an all-layer keepout to act, for example, as a placement or routing barrier. A keepout region is identified by having an outline in the Keepout color. After launching the command, the cursor will change to a cross-hair and you will enter region keepout placement mode.
Placement is made by performing the following sequence of actions:. Additional actions that can be performed during placement while the region keepout is still floating on the cursor and before the first corner of the region keepout is anchored are:. This method of editing allows you to select a placed object directly in the workspace and graphically change its size, shape or location. A selected Region Keepout. Region Keepouts contain two points, or “handles”, with which to edit the shape of the region.
An existing region keepout can be re-shaped by moving these handles, or vertices, located at each corner or at the center of each edge. In addition to vertex editing, you also can use the Modify Region Border command to easily change the shape of polygons.
The command is run by right-clicking on the desired polygon then selecting Polygon Actions » Modify Polygon Border. Once the command is launched, the cursor becomes a crosshair. Each time you click, a new vertex is added. The Properties panel supports multiple object editing, where the property settings that are identical in all currently selected objects may be modified. The List panel allows you to display design objects from one or more documents in tabular format, enabling quick inspection and modification of object attributes.
Used in conjunction with appropriate filtering – by using the applicable Filter panel, or the Find Similar Objects dialog – it enables the display of just those objects falling under the scope of the active filter — allowing you to target and edit multiple design objects with greater accuracy and efficiency. If would like to speak with a representative, please contact your local Altium office.
Download Altium Designer Installer. You may receive communications from Altium and can change your notification preferences at any time. If you are not an active Altium Subscription member, please fill out the form below to get your free trial. Just fill out the form below to request your Student License today.
Upverter is a free community-driven platform designed specifically to meet the needs of makers like you. Click here to give it a try! Track Keepout. Using Altium Documentation. A track keepout can only be placed on a signal layer or the Keepout layer. While attributes can be modified during placement Tab to open the Properties panel , keep in mind that these will become the default settings for further placement unless the Permanent option on the PCB Editor — Defaults page of the Preferences dialog is enabled.