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Parent page: Schematic Objects
Use No ERC markers to suppress error/warning messages about a specific node in the circuit.
The No ERC object is a design directive. It is placed on a node in the circuit to suppress all reported Electrical Rule Check warnings and/or error violation conditions that are detected when the schematic project is compiled. Use No ERC to deliberately limit error checking at a certain point in the circuit that you know will generate a warning (such as an unconnected pin) while still performing a comprehensive check of the rest of the circuit.
The No ERC directive supports a number of different styles and can be displayed in any color. Use this ability to reflect the design intent for this point in the circuit.
Choose a No ERC style that best reflects its function at that point in the circuit.
The No ERC directive has two types:
No ERC design directives are available for placement in the Schematic Editor only. To place a No ERC directive:
After launching the command, the cursor will change to a cross-hair and you will enter placement mode. Perform the following to place the No ERC directive:
Additional actions that can be performed during placement are:
A Specific No ERC directive targets a specific violation, so it must be configured to do this. To simplify this process, the software launches an interactive tool to automatically configure the directive to target the appropriate violation during placement.
Choose a violation to suppress then click OK to place a tailored, Specific No ERC directive on that point in the circuit.
To use this interactive tool:
An alternative approach to using the Place Specific NoERC dialog is to selectively place a Specific No ERC directive on a point in the circuit that is already showing a violation, highlighted by a wavy colored line.
To place a specific No ERC marker targeted to that violation, right-click on the violating object (not the wavy colored line) then select the Place NoERC to Suppress command. The No ERC directive will appear on the cursor, pre-configured to suppress this violation. Press Tab to edit the look of the directive before placement.
The No ERC marker cannot be modified graphically other than changing its location. To move a No ERC marker, click and hold while dragging it to a new location. While dragging, the No ERC marker can be rotated (Spacebar/Shift+Spacebar).
The following methods of non-graphical editing are available:
Panel page: No ERC Properties
This method of editing uses the associated Properties panel mode to modify the properties of an object.
The No ERC mode of the Properties panel
During placement, the No ERC mode of the Properties panel can be accessed by pressing the Tab key.
After placement, the No ERC mode of the Properties panel can be accessed in one of the following ways:
The Properties panel supports multiple object editing, where the property settings that are identical in all currently selected objects may be modified. When multiples of the same object type are selected manually, via the Find Similar Objects dialog or through a Filter or List panel, a Properties panel field entry that is not shown as an asterisk (*
) can be edited for all selected objects.
Dialog page: No ERC
This method of editing uses the No ERC dialog to modify the violation types and connection errors of a Specific No ERC object.
The No Erc dialog showing Violation Types mode (left image) and Connection Matrix mode (right image)
The dialog can be accessed by clicking Specific Violations in the Suppressed Violations region of the Properties panel in No ERC mode.
Panel pages: SCH List, SCH Filter
A 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.
By default, No ERC markers are included during printing. To control this by either disabling their inclusion entirely or excluding only specific symbols, use the Schematic Print Properties dialog as shown below.
Control the printing of No ERC markers in the Schematic Print Properties dialog.
This dialog can be accessed by:
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如果您有任何需求,请点击这里联系获取当地办公室销售代表联系方式。.
Copyright © 2019 Altium Limited
如果您有任何需求,请点击这里联系获取当地办公室销售代表联系方式。.
Copyright © 2019 Altium Limited
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